Kyushu University Academic Staff Educational and Research Activities Database
List of Presentations
Takamasa Okumura Last modified date:2023.06.29

Assistant Professor / Electronic Devices, Graduate School and Faculty of Information Science and Electrical Engineering / Department of Electronics / Faculty of Information Science and Electrical Engineering


Presentations
1. N. Yamashita, A. Agusutrisno, K. Kamataki, T. Okumura, K. Koga, M. Shiratani, N. Itagaki, Increase of Blocking Temperature in Co-doped ZnO by Using NitrogenMediated Crystallization, ICMFS-2022, 2022.07.
2. K. Koga, S. H. Hwang, S. Ono, D. Yoshikawa, T. 0kumura, K. Kamataki, N. Yamashita, N. Itagaki, M.Shiratani, Structural Characteristics of Carbon Sphere Composite Deposited by Ar+CH4 Plasma Chemical Vapor Deposition Method, 7th International Conference on Advances in Functional Materials(AFM-2022), 2023.01.
3. T. Sato, S. Okunaga, K. Kamataki, K. Tomita, P. Yiming, D. Yamashita, T. Okumura, N. Yamashita, N. Itagaki, K. Koga, M. Shiratani, Measurement of fluctuation of electric field in Ar plasmas using a fine particle trapped with laser tweezers, 7th International Conference on Advances in Functional Materials(AFM-2022), 2023.01.
4. K.Yataka, N. Yamashita, D. Takahashi, T. Okumura, K. Kamataki, K. Koga, M. Shiratani, N. Itagaki, Sputtering deposition of single crystalline Zn1-xMgxO films on sapphire substrate via inverted Staranski-Krastanov mode: effects of substrate , 7th International Conference on Advances in Functional Materials(AFM-2022), 2023.01.
5. M. Otaka, D. Nagamatsu, T. Arima, K. Kamataki, D. Yamashita, N. Yamashita, T. Okumura, N. Itagaki, K. Koga, M. Shiratani, Time resolved optical emission spectroscopy in Ar and Ar/Ne capacitively coupled radio frequency plasma., 7th International Conference on Advances in Functional Materials(AFM-2022), 2023.01.
6. A. Yamamoto, I. Nagao, K. Kamataki, D. Yamashita, T. Okumura, N. Yamashita, N. Itagaki, K. Koga, M. Shiratani, Fluctuation of plasma and amount of nanoparticles in TEOS amplitude modulated rf discharge, 7th International Conference on Advances in Functional Materials(AFM-2022), 2023.01.
7. I. Nagao, A. Yamamoto, K. Kamataki, D. Yamashita, T. Okumura, N. Yamashita, N. Itagaki, K. Koga, M. Shiratani, Effects of Amplitude Modulation Discharge on Ion Energy and Angular Distributions studied by PIC-MCC method, 7th International Conference on Advances in Functional Materials(AFM-2022), 2023.01.
8. S. Ono, S. H. Hwang, D. Yoshikawa, T. Okumura, K. Kamataki, N. Yamashita, N. Itagaki, K. Koga, M. Shiratani, Masaharu, Effects of Gas Pressure on Deposition Characteristics of Hydrogenated Amorphous Carbon Films Produced by Ar + CH4 Capacitively Coupled Plasma, 7th International Conference on Advances in Functional Materials(AFM-2022), 2023.01.
9. R. Narishige, N. Yamashita, K. Kamataki, T. Okumura, K. Koga, M. Shiratani, N. Itagaki, Effects of thermal treatment of ZnO substrates on epitaxial growth of (ZnO)x(InN)1-x films fabricated by magnetron sputtering, 7th International Conference on Advances in Functional Materials(AFM-2022), 2023.01.
10. R. Mitsuishi, N. Yamashita, D. Takahashi, T. Okumura, K. Kamataki, K. Koga, M. Shiratani, N. Itagaki, Effects of RF powers on the crystal quality and surface morphology of single crystalline ZnO films deposited by magnetron sputtering, 7th International Conference on Advances in Functional Materials(AFM-2022), 2023.01.
11. N. Yamashita, D. Takahashi, T. Okumura, K. Kamataki, K. Koga, M. Shiratani, N. Itagaki, Microscopic analysis of single crystalline Zn1-xMgxO thin films on sapphire grown via inverted Stranski-Krastanov mode, 7th International Conference on Advances in Functional Materials(AFM-2022), 2023.01.
12. T. Arima, M. Otaka, I. Nagao, K. Kamataki, D. Yamashita, N. Yamashita, N. Itagaki, T. Okumura, K. Koga, M. Shiratani, Effects of lower discharge frequency on plasma parameters in capacitively coupled plasmas studied by particle-in-cell/Monte Carlo collision method, 7th International Conference on Advances in Functional Materials(AFM-2022), 2023.01.
13. Z. Shen, Y. Mido, N. Yamashita, T. Okumura, K. Kamataki, K. Koga, M. Shiratani1, H. Yabuta, N. Itagaki, A Study of Solid-phase Crystallization of Amorphous ZnON Films, 7th International Conference on Advances in Functional Materials(AFM-2022), 2023.01.
14. K. Kamataki, Y. Mido, I. Nagao, D. Yamashita, T. Okumura, N.Yamashita, K. Koga, N. Itagaki, M. Shiratani, Developing Prediction of Key Process Parameters and Sputtering Conditions for Amorphous and high Mobility ITO/In2O3 Films via Machine Learning, 7th International Conference on Advances in Functional Materials(AFM-2022), 2023.01.
15. F. L. Chawarambwa, T. E. Putri, A. Pankaj, M. Shiratani, Stability of a quasi-solid DSSC under low-concentrated light soaking, IUMRS-ICYRAM 2022, 2022.08.
16. A. Pankaj, T. Okumura, F. L. Chawarambwa, T. E. Putri, N. Takeuti, K. Koga, K. Ishikawa, K. Kamataki, M. Shiratani, Effect of reactive nitrogen species mainly nitric oxide on the germination of radish seeds, IUMRS-ICYRAM 2022, 2022.08.
17. T. E. Putri, F. L. Chawarambwa, A. Pankaj, K. Kamataki, N. Itagaki, K. Koga, M. Shiratani, Thermoplastic Polymer Electrolytes for DSSCs Performance Under V-Shape Low-Concentrated Light, IUMRS-ICYRAM 2022, 2022.08.
18. T. Arima, M.Otaka, K. Kamataki, D. Yamashita, N. Yamashita, T. Okumura, N. Itagaki, K. Koga, M. Shiratani, Spatio-temporal structures of plasma density in lower driving rf frequency plasmas studied by particle-in-cell/Monte Carlo collision method, IUMRS-ICYRAM 2022, 2022.08.
19. M. Otaka, D. Nagamatsu1, T. Arima, K. Kamataki, D. Yamashita, N. Yamashita, T. Okumura, N. Itagaki, K. Koga, M. Shiratani, Time resolved optical emission spectroscopy in Ar/Ne capacitively coupled radio frequency plasma, IUMRS-ICYRAM 2022, 2022.08.
20. I. Nagao, A. Yamamoto, K. Kamataki, D. Yamashita, T. Okumura, N. Yamashita, N. Itagaki, K. Koga, M. Shiratani, Ion energy and angular distribution functions in amplitude modulated capacitively coupled Ar discharge plasma obtained using particle-in-cell Monte Carlo collision model simulation, IUMRS-ICYRAM 2022, 2022.08.
21. A. M. Nurut, N. Yamashita, K. Kamataki, T. Okumura, K. Koga, N. Itagaki, M. Shiratani, Magnetic properties of Co-doped ZnO films fabricated by sputtering using mediated crystallization., IUMRS-ICYRAM 2022, 2022.08.
22. M. Shiratani, H. Tanaka, T. Anan, T. Nakao, Y. Tagawa, T. Okumura, P. Attri, K. Koga, Particle Fluxes to Seeds Irradiated from Scalable DBD Plasma, ISNTP-12&ISEHD 2022, 2022.08.
23. R. Narishige, N. Yamashita, K. Kamataki, T. Okumura, K. Koga, M. Shiratani, N. Itagaki, Effects of surface polarity of ZnO substrates on epitaxial growth of (ZnO)x(InN)1-x films fabricated at room temperature, 9th International Symposium on Control of Semiconductor Interfaces, 2022.09.
24. A. M. Nurut, R. Narishige, N. Yamashita, K. Kamataki, T. Okumura, K. Koga, M. Shiratani, N. Itagaki, Control of Crystal Structure and Magnetic Properties of ZnO: Co Films Grown by Magnetron Sputtering Using Nitrogen, 9th International Symposium on Control of Semiconductor Interfaces, 2022.09.
25. N. Itagaki, Y. Mido, Z. Shen, N. Yamashita, T. Okumura, K. Kamataki, K. Koga, M. Shiratani, Fabrication of Low-Resistive Amorphous In2O3 :Sn Films at 600°C by Magnetron Sputtering Using Nitrogen, 9th International Symposium on Control of Semiconductor Interfaces, 2022.09.
26. K. Kamataki, A. Yamamoto, I. Nagao, Y. Yamamoto, D. Yamashita, T. Okumura, N. Yamashita, N. Itagaki, K. Koga, M. Shiratani, Eff ects of Amplitude Modulated RF Discharge on Properties of SiO2 Films Deposited by TEOS/O2/Ar Plasma-Enhanced Chemical Vapor Deposition, 9th International Symposium on Control of Semiconductor Interfaces, 2022.09.
27. S. Ono, S. H. Hwang, T. Okumura, K. Koga, K. Kamataki, N. Yamashita, N. Itagaki, M. Shiratani, Eff ects of Modifi cation of Film Interface by Nanoparticles on Mechanical Properties of Films, 9th International Symposium on Control of Semiconductor Interfaces, 2022.09.
28. K. Kamataki, A. Yamamoto, I. Nagao, Y. Yamamoto, D. Yamashita, T. Okumura, N. Yamashita, N. Itagaki, K. Koga, M. Shiratani, Impact of amplitude modulated discharge on suppression of nanoparticle growth in TEOS/O2/Ar capacitively coupled plasma, IVC-22, 2022.09.
29. P. Attri, T. Okumura, K. Koga, K. Kamataki, N. Yamashita, Y. Tsukada, N. Itagaki, M. Shiratani, Role of plasma treatment on radish seeds affects germination, morphology, and biochemical responses, 第83回応用物理学会秋季学術講演会, 2022.09.
30. K. Koga, P. Attri, T. Okumura, T. Anan, T. Nakao, K. Kamataki, N. Yamashita, N. Itagaki, M. Shiratani, Role of short-lived nitrogen species generated at low-pressure RF plasma on the germination and seedling growth, ICRP-11/GCE2022, 2022.10.
31. K. Kamataki, T. Sato, K. Tomita, P. Yimin, D. Yamashita, N. Yamashita, T. Okumura, N. Itagaki, K. Koga, M. Shiratani, Measurements of strength and fluctuation of 2D electric fields in plasmas using a fine particle trapped with laser tweezers, ICRP-11/GCE2022, 2022.10.
32. S. Toko, T. Hasegawa, T. Okumura, K. Kamataki, K. Takenaka, K. Koga, M. Shiratani, Y. Setsuhara, Relationship between vibrational temperature and CO2 methanation with plasma catalysis, ICRP-11/GCE2022, 2022.10.
33. I. Nagao, A. Yamamoto, Y. Yamamoto, K. Kamataki, T. Okumura, N. Yamashita, N. Itagaki, K. Koga, M. Shiratani, Effects of amplitude modulation discharge on behavior of oxygen ions in Ar/O2 capacitively coupled plasma studied by particle-in-cell/Monte Carlo collision model, ICRP-11/GCE2022, 2022.10.
34. M. Otaka, T. Arima, J. Lai, K. Ikeda, K. Kamataki, N. Yamashita, T. Okumura, N. Itagaki, K. Koga, M. Shiratani, Pressure dependence on spatio-temporal distribution of excitation rates of Ar 2p1 and Ne 2p1 in Ar and Ar/Ne capacitively coupled plasmas, ICRP-11/GCE2022, 2022.10.
35. M. Shiratani, T. Anan, T. Nakao, T. Okumura, P. Attri, K. Koga, Reproducibility in plasma agriculture, ICRP-11/GCE2022, 2022.10.
36. T. Anan, T. Nakao, T. Okumura, P. Attri, K. Kamataki, N. Yamashita, N. Itagaki, K. Koga, M. Shiratani, Effect of plasma irradiation on germination of lettuce seeds with fluctuating dormancy, ICRP-11/GCE2022, 2022.10.
37. P. Attri, T. Okumura, K. Koga, K. Kamataki, N. Itagaki, M. Shiratani, N. Takeuchi, Plasma induced conversion of CO2 with water to useful compounds, ICRP-11/GCE2022, 2022.10.
38. S. Ono, T. Okumura, K. Kamataki, N. Yamashita, N. Itagaki, K. Koga, M. Shiratani, Process analysis of cracking aC: H/CNP/aC: H sandwich films under stress using nanoindentation, ICRP-11/GCE2022, 2022.10.
39. T. Okumura, T. Anan, P. Attri, Y. Tsukada, K. Kamataki, N. Yamashita, N. Itagaki, K. Koga, M. Shiratani, Y. Ishibashi, Plasma irradiation-introduced RONS amount into plant seeds and their response analysis, ICRP-11/GCE2022, 2022.10.
40. 奥村賢直, Detection of ­NO3 − introduced in plasma‑irradiated dry lettuce seeds using liquid chromatography‑electrospray ionization quantum mass spectrometry (LC‑ESI QMS), 第38回 九州・山口プラズマ研究会, 2022.11.
41. I. Nagao, A. Yamamoto, Y. Yamamoto, K. Kamataki, T. Okumura, N. Yamashita, N. Itagaki, K. Koga, M. Shiratani, One-dimensional particle-in-cell / Monte Carlo collision model simulation of the effects of amplitude modulation discharge on ion/electron energy distribution functions, DPS2022, 2022.11.
42. T. Anan, T. Nakao, T. Okumura, P. Attri, N. Yamashita, N. Itagaki, K. Koga, M. Shiratani, Y. Ishibashi, S. Tsuboyama, K. Hashimoto, K. Kuchitsu, H. Hashizume, K. Ishikawa, M. Hori, Effects of plasma activ ated lact ate solution administration to seeds of Arabidopsis thaliana on germination characteristics, DPS2022, 2022.11.
43. Z. Shen, H. Yabuta, Y. Wada, N. Yamashita, T. Okumura, K. Kamataki, K. Koga, M. Shiratani, H. Kiyama, N. Itagaki, Sputtering deposition of ZnO:Al Transparent Conducting Films on Seed Layers Crystallized via Thermal Annealing of Amorphous ZnON Films, 2022年(令和4年度)応用物理学会九州支部学術講演会 / The 7th Asian Applied Physics Conference, 2022.11.
44. Y. Nakano, R. Narishige, N. Yamashita, K. Kamataki, T. Okumura, K. Koga, M. Shiratani, H. Kiyama, H. Yabuta, N. Itagaki, Sputter epitaxy of (ZnO)x(InN)1-x films on sapphire substrates using ZnON buffer layers, 2022年(令和4年度)応用物理学会九州支部学術講演会 / The 7th Asian Applied Physics Conference, 2022.11.
45. N. Yamashita, R. Mitsuishi, Y. Nakamura, T. Okumura, K. Kamataki, K. Koga, M. Shiratani, Mechanism of homogeneous nucleation of ZnO in N2 and Ar plasma, 第32回日本MRS年次大会, 2022.12.
46. K. Kamataki, T. Sato, k. Tomita, P. Yimin, D. Yamashita, N. Yamashita, T. Okumura, N. Itagaki, K. Koga, M. Shiratani, Electric fields measurement using an optically trapped charged particle in Ar plasma, 第32回日本MRS年次大会, 2022.12.
47. S. Yamamoto, T. Nakao, T. Anan, T. Okumura, P. Attri, K. Kamataki, N. Yamashita, N. Itagaki, K. Koga, M. Shiratani, Y. Yanagawa, S. Shimada, Improvement of Germination Characteristics of Sorghum bicolor Seeds Irradiated by Surface Discharge Plasma, 第32回日本MRS年次大会, 2022.12.
48. T. Anan, T. Nakao, T. Okumura, P. Attri, D. Yamashita, K. Kamataki, N. Yamashita, N. Itagaki, K. Koga, M. Shiratani, Y. Ishibashi, Plasma Irradiation-induced Molecular Modification of Quercetin as Plant Antioxidant, 第32回日本MRS年次大会, 2022.12.
49. T. Okumura, P. Attri, K. Kamataki, N. Yamashita, N. Itagaki, K. Koga, M. Shiratani, Study on biomolecules extracted from plasma-irradiated plant seeds using quadrupole mass spectrometer, 第32回日本MRS年次大会, 2022.12.
50. K. Koga, T. Okumura, P. Attri, T. Anan, K. Kamataki, N. Yamashita, N. Itagaki, M. Shiratani, Y. Ishibashi, S. Tsuboyama, K. Kuchitsu, K. Ishikawa, M. Hori, Influence of Seed Dormancy on Plasma Irradiation Effects on their Germination, 第32回日本MRS年次大会, 2022.12.
51. P. Attri, T. Okumura, T.E. Putri, F. L. Chawarambwa, K. Koga, K. Kamataki, M. Shiratani , Role of reactive nitrogen species on the radish seeds, 第32回日本MRS年次大会, 2022.12.
52. S. Ono, S. H. Hwang, T. Okumura, K. Kamataki, N. Yamashita, N. Itagaki, K. Koga, M. Shiratani, J. S. Oh, S. Takabayashi, T. Nakatani , Formation of Graphene Nanoribbon-like Structure in Carbon Nanoparticles Fabricated by Ar+CH4 Plasma Chemical Vapor Deposition, 第32回日本MRS年次大会, 2022.12.
53. Y. Yamamoto, A. Yamamoto, I. Nagao, M. Otaka, D. Yamashita, K. Kamataki, T. Okumura, N. Yamashita, N. Itagaki, K. Koga, M. Shiratani, Effects of Amplitude Modulated Discharge on SiO2 film qualities in TEOS Plasma CVD, 第32回日本MRS年次大会, 2022.12.
54. J. Lai, T. Arima, M. Otaka, I. Nagao, K. Kamataki, D. Yamashita, N. Yamashita, N. Itagaki, T. Okumura, K. Koga, M. Shiratani, Investigation of dual frequency method in capacitively coupled plasmas using particle-in-cell/Monte Carlo method, 第32回日本MRS年次大会, 2022.12.
55. K. Kamataki, T. Sato, K. Tomita, Y. Pan, D. Yamashita, N. Yamashita, T. Okumura, N. Itagaki, K. Koga, M. Shiratani, Measurement of the charge on single fine particles in plasma, 第32回日本MRS年次大会, 2022.12.
56. K. Ikeda, M. Otaka, T. Arima, J. Lai, K. Kamataki, T. Okumura, N. Yamashita, N. Itagaki, K. Koga, M. Shiratani, Discharge frequency dependence on spatio-temporal distribution of excitation rates of Ar 2p1 and Ne 2p1 in Ar and Ar/Ne capacitively coupled plasmas, 第32回日本MRS年次大会, 2022.12.
57. P. Attri, T. Okumura, Y. Ishibashi, K. Koga, M. Shiratani, Contribution of non-thermal plasma in agriculture: Focus on pre-harvest treatment, SAPP XXIV, 2023.01.
58. A. Khalil, T. Okumura, P. Attri, K. Kamataki, K. Koga, M. Shiratani, Molecular Structure Change in Phenol by Gas-Liquid Discharge Plasma, ISPlasma2023/IC-PLANTS2023, 2023.03.
59. T. Okumura, Impact of Plasma Irradiation on Plant Seeds Metabolism (Invited), ISPlasma2023/IC-PLANTS2023, 2023.03.
60. 山下尚人, A. Agustrisno, 奥村賢直, 鎌滝晋礼, 板垣奈穂, 古閑一憲, 白谷正治, C. Marrows, Non-off Axis Sputtering Deposition of Ferrimagnetic Insulator Film with Perpendicular Magnetic Anisotropy, 第70回応用物理学会 春季学術講演会, 2023.03.
61. P.Attri, T. Okumura, K. Koga, M. Shiratani, Comparative study on the decontamination of water using non-thermal atmospheric pressure plasma and gamma irradiation(Invited) , APA Bioforum2021: Polymeric Biomaterials & Bioengineering, 2021.08.
62. S. H. Hwang, S. Ono, T. Okumura, K. Kamataki, N. Itagaki, K. Koga, T. Nakatani, M. Shiratani, Effects of Carbon Nanoparticles Inserted between Two Diamond Like Carbon Layers Films on Residual Stress of Films Deposited by Plasma Chemical Vapor Deposition, INTERFINISH 2020, 2021.09.
63. K. Koga, S. H. Hwang, T. Okumura, P. Attri, K. Kamataki, N. Itagaki, J. S. Oh, S. Takabayashi, T. Nakatani, M. Shiratani, Production of Hollow Carbon Nanoparticles using Multi-Hollow Discharge Plasma CVD, INTERFINISH 2020, 2021.09.
64. P. Attri, T. Okumura. K. Koga, M. Shiratani, Cold Plasma induced structural modification of NADPH oxidase activator (Noxa 1) by oxidative stress, 第82回応用物理学会秋季学術講演会, 2021.09.
65. P. Attri,H. Kurita, T. Okumura, K. Koga, M. Shiratani, Effect of plasma treatment on MDM2 and p53 expression in cancer cells, 5th Asia-Pacific Conference on Plasma Physics, 2021.09.
66. K. kamataki, S. Okunaga, T. Sato, K. Tomita, P. Yimin, D. Yamashita, T. Okumura, N. Itagaki, K. Koga, M. Shiratani, Study on measurement of strength and fluctuation of electrical field using optical trapped particle in Ar plasma, 5th Asia-Pacific Conference on Plasma Physics, 2021.09.
67. K. Abe, A.Yamamoto, I.Nagao, M.Otaka, D.Yamashita, K.Kamataki, T.Okumura, N.Itagaki, K.Koga, M.Shiratani, Suppression of nanoparticle growth in TEOS plasma by amplitude modulation discharge method, 5th Asia-Pacific Conference on Plasma Physics, 2021.09.
68. K. Koga, Y. Ishibashi, C. Suriyasak, T. Okumura, H. Tanaka, P. Attri, K. Matsuo, D. Yamashita, N. Itagaki, K. Kamataki, M. Shiratani, Molecular Analysis of Plasma-Induced Germination Improvement of Rice Seeds With High-Temperature Stress Damage, AVS67, 2021.10.
69. S. H. Hwang, S. Ono, D. Yoshikawa, T. Okumura, K. Kamataki, N. Itagaki, K. Koga, T. Nakatani, M. Shiratani, Low-stress diamond-like carbon films containing carbon nanoparticles produced by combining rf sputtering and plasma chemical vapor deposition, Japan-RUB Workshop, 2021.11.
70. K. Kamataki, K. Abe, A. Yamamoto, I. Nagao, M. Otaka, D. Yamashita, N. Itagaki, T. Okumura, K. Koga, M. Shiratani, S. Tahara, Y. Mizokami, Y. Miyata, K. Tabuchi, T. Tanikuni, S. Hiyama, K. Nagahata, Better step coverage of TEOS-PECVD SiO2 films realized by amplitude modulation of RF discharge voltage, 42nd International Symposium on Dry Process (DPS2021), 2021.11.
71. S. H. Hwang, S. Ono, T. Okumura, K. Koga, K. Kamataki, N. Itagaki, M. Shiratani, J.-S. Oh, S. Takabayashi, T. Nakatani, Reduction of compressive stress of hydrogenated amorphous carbon films by inserting carbon nanoparticle layer using plasma CVD, 42nd International Symposium on Dry Process (DPS2021), 2021.11.
72. M. Shiratani, K. Kamataki, K. Abe, A. Yamamoto, I. Nagao, M. Otaka, D. Yamashita, N. Itagaki, T. Okumura, K. Koga, Study of effect of amplitude modulated discharge on growth of nanoparticles in TEOS plasma, 42nd International Symposium on Dry Process (DPS2021), 2021.11.
73. R. Mitsuishi, D. Takahashi, D. Yamashita, T. Okumura, N. Yamashita, K. Kamataki, K. Koga, M. Shiratani, N. Itagaki, Sputtering deposition of single crystalline ZnO films on sapphire substrates via inverted Stranski-Krastanov mode: effects of RF power, The 6th Asian Applied Physics Conference (Asian-APC), 2021.12.
74. T. Anan, H. Tanaka,T. Okumura, P. Attri,D. Yamashita,K. Kamataki,K. Koga, N. Itagaki, M. Shiratani, Y.Ishibashi, Effects of Plasma Irradiation to Moistened Seeds on Radical Amount, The 6th Asian Applied Physics Conference (Asian-APC), 2021.12.
75. P. Attri, T. Okumura, K. Koga, M. Shiratani, Oxidation of Catalase by Plasma Treatment: A Probable Mechanism of Cancer Treatment, the 12th Asia-Pacific International Symposium on the Basics and Applications of Plasma Technology (APSPT-12), 2021.12.
76. K. Kamataki, K. Abe, A. Yamamoto, I. Nagao, M. Otaka, D. Yamashita, N. Itagaki, T. Okumura, K. Koga, M. Shiratani, Investigation of Growth Suppression Mechanism of Nanoparticles through Amplitude Modulation Discharge Method in TEOS Plasma, the 12th Asia-Pacific International Symposium on the Basics and Applications of Plasma Technology (APSPT-12), 2021.12.
77. P.Attri, K. Koga, T. Okumura, M. Shiratani, Plasma treatment causes structural modifications in proteins, result in increased cytotoxicity towards cancer cells, 第31回日本MRS年次大会, 2021.12.
78. A. Yamamoto, K. Abe, I. Nagao, M. Otaka, D. Yamashita, K. Kamataki, T. Okumura, N. Itagaki, K. Koga, M. Shiratani, Effect of rf bias on the film property of amorphous silicon oxide films deposited by plasma enhanced chemical vapor deposition, Materials Research Meeting 2021 (MRM2021), 2021.12.
79. S. Ono, S. H. Hwang, T. Okumura, K. Kamataki, N. Itagaki, K. Koga, J. S. Oh, S. Takabayashi, T. Nakatani, M. Shiratani , Structural Analysis of Hydrogenated Amorphous Carbon Films Deposited by Capacitively Coupled Plasma Chemical Vapor Deposition, Materials Research Meeting 2021 (MRM2021), 2021.12.
80. P. Attri, K. Koga, T. Okumura, N. Takeuchi, M. Shiratani, Green route for ammonium nitrate synthesis: Fertilizer for plant growth enhancement, Materials Research Meeting 2021 (MRM2021), 2021.12.
81. T. Okumura, T. Anan, H. Tanaka, D. Yamashita, P. Attri, K. Kamataki, N. Itagaki, K. Koga, M. Shiratani, Y. Ishibashi, Y. Fujimoto, M. Kumauchi, H. Matsui, Effect of intraseed moisture and plasma irradiation on lettuce seed surface, Materials Research Meeting 2021 (MRM2021), 2021.12.
82. K. Abe, A. Yamamoto, I. Nagao, M. Otaka, D. Yamashita, K. Kamataki, T. Okumura, N. Itagaki, K. Koga, M. Shiratani, Ion Energy Distribution Function in DC Pulse biased Capacitively Coupled Plasma Discharge by using Particle-In-Cell/Monte Carlo Collision Model, Materials Research Meeting 2021 (MRM2021), 2021.12.
83. K. Kamataki, S. Okunaga, T. Sato, K. Tomita, P. Yimin, D. Yamashita, T. Okumura, N. Itagaki, K. Koga, M. Shiratani, Investigation of 2D electric field measurements in Ar plasmas using a fine particle trapped with laser tweezers, Materials Research Meeting 2021 (MRM2021), 2021.12.
84. S. Okunaga, T. Sato, K. Kamataki, K. Tomita, P. Yiming, D. Yamashita, T. Okumura, N.Itagaki, K. Koga, M. Shiratani, Calibration of force acting on an optically trapped particle in Ar plasma, Materials Research Meeting 2021 (MRM2021), 2021.12.
85. S. H. Hwang, S. Ono, T. Okumura, K. Kamataki, N. Itagaki, K. Koga, T. Nakatani, M. Shiratani, Structural analysis of carbon nanoparticle composite films prepared by Ar+CH4 multi-hollow plasma chemical vapor deposition, Materials Research Meeting 2021 (MRM2021), 2021.12.
86. Y.Tao, D. Nagamatsu, K. Kamataki, D. Yamashita, T. Okumura, N. Itagaki, K. Koga, M. Shiratani, Measurements of Radial and Vertical Electric Field in Capacitively Coupled Plasma, Materials Research Meeting 2021 (MRM2021), 2021.12.
87. K. Koga, T. Okumura, K. Kamataki, N. Itagaki, M. Shiratani, P. Attri, Possible plasma oxidation effect on the binding of C-terminal Domain of SARS-CoV-2 Spike Protein with Human Angiotensin-Converting Enzyme 2 (hACE2): A computational study, Materials Research Meeting 2021 (MRM2021), 2021.12.
88. F. Chen, K. Kamataki, Y. Tao, S. Okunaga, D. Yamashita, T. Okumura, N. Itagaki, K. Koga, M. Shiratani, Developing Prediction of Key Process Parameters of Plasma CVD for Fabricating a-Si:H Solar Cells through Boosting Technique, Materials Research Meeting 2021 (MRM2021), 2021.12.
89. Y. Mido, K. Takeda, D. Yamashita, T. Okumura, K. Kamataki, K. Koga, M. Shiratani, M. Hori, N. Itagaki, High-temperature Growth of Amorphous In O :Sn Films by Magnetron Sputtering using Nitrogen, MRS fall meeting 2021, 2021.12.
90. R. Narishige, N. Yamashita, K. Kamataki, T. Okumura, K. Koga, M. Shiratani, N. Itagaki, Epitaxial Growth of Atomically Flat Single-crystalline (ZnO) (InN) Films on O-polar ZnO Substrates by Magnetron Sputtering, MRS fall meeting 2021, 2021.12.
91. D. Takahashi, D. Yamashita, T. Okumura, K. Kamataki, K. Koga, M. Shiratani, N. Itagaki, Inverted Stranski-Krastanov Growth of Single-Crystalline Zn Mg O Films on Sapphire Substrates using Magnetron Sputtering, MRS fall meeting 2021, 2021.12.
92. Z. Shen, N. Yamashita, Y. Mido, T. Okumura, K. Kamataki, K. Koga, M. Shiratani, H. Yabuta, N. Itagaki , Solid-phase Crystallization of Sputter-deposited ZnON Films and Their Impacts as Seed Layers for ZnO:Al Transparent Conducting Oxides, プラズマ・核融合学会九州・沖縄・山口支部 第24回支部大会, 2021.12.
93. H. Tanaka, T. Okumura, P. Attri, T. Anan, K. Kamataki, N. Itagaki, M. Shiratani, Y. Ishibashi, M. Nakano, K. Namiki, S. Tsuboyama, K. Hashimoto, K. Kuchitsu, H. Hashizume, K. Ishikawa, M. Hori, K. Koga, Effects of Concentration of Plasma Activated Lactate on Germination of Arabidopsis thaliana Seeds, ISPlasma2022/IC-PLANTS2022, 2022.03.
94. K. Koga, S. H. Hwang, S. Ono, D. Yoshikawa, T. Okumura, K. Kamataki, N. Yamashita, N. Itagaki, M. Shiratani, Deposition of Carbon Nanoparticles of 5 nm in Size on Positively Biased Substrates using Multi-Hollow Discharge Plasma CVD Method, ISPlasma2022/IC-PLANTS2022, 2022.03.
95. S. Ono, S. H. Hwang, D. Yoshikawa, T. Okumura, K. Kamataki, N. Yamashita, N. Itagaki, K. Koga, M. Shiratani, J. S. Oh, S. Takabayashi, T. Nakatani, Structural Control of Hydrogenated Amorphous Carbon Films by Substrate Position and Gas Pressure in Plasma Chemical Vapor Deposition, MRS spring meeting 2022, 2022.05.
96. N. Yamashita, Y. Nakamura, K. Kamataki, T. Okumura, K. Koga, M. Shiratani, N. Itagaki, Key parameters for single crystalline ZnO film growth by magnetron sputtering via inverted Stranski-Krastanov mode, MRS spring meeting 2022, 2022.05.
97. I. Nagao, A. Yamamoto, K. Kamataki, D. Yamashita, N. Yamashita, T. Okumura, N. Itagaki, K. Koga, M. Shiratani, Amplitude Modulation Frequency Dependence of Ion Energy Distribution in Capacitively Coupled Discharge Plasma Studied by Particle-in-Cell/Monte Carlo Collision Method, MRS spring meeting 2022, 2022.05.
98. A. Yamamoto, K. Abe, I. Nagao, M. Otaka, D. Yamashita, K. Kamataki, T. Okumura, N. Itagaki, K. Koga, M.Shiratani, Growth of Nanoparticles in TEOS rf Plasma with Amplitude Modulation, MRS spring meeting 2022, 2022.05.
99. T. Sato, S. Okunaga, K. Kamataki, K. Tomita, P. Yiming, D. Yamashita, T. Okumura, N. Itagaki, K. Koga, M. Shiratani, Position Fluctuation of a Fine Particle Trapped with Laser Tweezers in Ar Plasma, MRS spring meeting 2022, 2022.05.
100. T. Okumura , K. Koga , P. Attri , K. Kamataki , N. Yamashita , N. Itagaki, M. Shiratani, Quantitative Evaluation through LC-QqQ MS/MS for RONS Induced into Dry Seeds by Non-Thermal Plasma Irradiation, MRS spring meeting 2022, 2022.05.
101. R. Narishige, N. Yamashita, K. Kamataki, T. Okumura, K. Koga, M. Shiratani, N.Itagaki, Epitaxial Growth of Atomically Flat Single-crystalline (ZnO) (InN) Films on O-polar ZnO Substrates by Magnetron Sputtering, MRS spring meeting 2022, 2022.05.
102. T. Arima , T. Yang, K. Kamataki, D. Yamashita, N. Yamashita, T. Okumura, N. Itagaki, K. Koga, M. Shiratani, Effects of rf Frequency on Plasma Density in Capacitively Coupled Plasmas at Low Pressure Studied by Particle-in-Cell/Monte Carlo Collision Method, MRS spring meeting 2022, 2022.05.
103. M. Otaka, D. Nagamatsu, T. Arima, K. Kamataki, D. Yamashita, N. yamashita, T. Okumura, N. Itagaki, K. Koga, M. Shiratani, Time Resolved Optical Emission Spectroscopy in Ar and Ar/Ne Capacitively Coupled Radio Frequency Plasma, MRS spring meeting 2022, 2022.05.
104. K. Koga, S. H. Hwang, S. Ono, D. Yoshikawa, T. Okumura, N. Yamashita, K. Kamataki, N. Itagaki, M. Shiratani, J-S. Oh, S. Takabayashi, T. Nakatani, Stress Relaxation of Hydrogenated Amorphous Carbon Films by Incorporating Carbon Nanoparticles Using Plasma Chemical Vapor Deposition, MRS spring meeting 2022, 2022.05.
105. K. Kamataki, S. Okunaga,T. Sato,K. Tomita, P. Yimin, D. Yamashita, N. Yamashita, T. Okumura, N. Itagaki, K. Koga, M. Shiratani, Development of Measurement of Two-Dimensional Distribution of Strength of Electrical Field with High Spatial Resolution Using Optical Trapped Particle in Plasma, MRS spring meeting 2022, 2022.05.
106. R. Mitsuishi, N. Yamashita, D.Takahashi, T. Okumura, K. Kamataki, K. Koga, M. Shiratani, N. Itagaki, Epitaxial Growth of Single-Crystalline ZnO Films on Sapphire Substrates via Inverted Stranski-Krastanov Mode by Low-Power Magnetron Sputtering, MRS spring meeting 2022, 2022.05.
107. T. Okumura, K. Takano, Y. Saito, K. Takahashi, K. Takaki, N. Satta, T. Fujio, Inactivation of Bacteria Using Discharge Plasma under Liquid Fertilizer in Hydroponic Culture System, The 22nd International Conference on Advanced Oxidation Technologies for Treatment of Water, Air and Soil, 2016.11.
108. T. Okumura, C. Zhou, E. Kubo, T. Shimizu, T. Nakajima, T. Sato, Potential Formation in Water by Cold Atmospheric Plasma, Fourteenth International Conference on Flow Dynamics, 2017.11.
109. T. Okumura, C. Zhou, E. Kubo, T. Shimizu, T. Nakajima, T. Sato, Formation of Electric Potential in Liquid by Needle-Water Discharge, 10th Asia-Pacific International Symposium on the Basics and Applications of Plasma Technology, 2017.12.
110. C. Chang, K. Yano, T. Okumura, T. Sato, Cell Response to Pulsed Current Modeled after Atmospheric Pressure Plasma, 7th International Conference on Plasma Medicine, 2018.06.
111. S. Tamura, T. Okumura, Visualization of Dielectric Heating by High-Frequency Pulsed Gas-Liquid Phase Discharge, 3rd International Conference of Science of Technology Innovation 2018, 2018.10.
112. R. Hiraka, T. Okumura, R&D of DBD Plasma Reactor for Sterilizing Toothbrush, 3rd International Conference of Science of Technology Innovation 2018, 2018.10.
113. T. Okumura, Y. Nakagawa, C. Yuan, K. Takahashi, K. Takaki, Conformational change of bovine serum albumin by atmospheric-pressure plasma and electric field, The 6th Japan-Taiwan Workshop on Plasma Life 2019, 2019.07.
114. T. Okumura, T. Sato, K. Takahashi, K. Takaki, Y. Muramoto, Y. Nakagawa, C. Yuan, Biological effect of atmospheric-pressure plasma irradiation and electric field stimulation, Sixteenth International Conference on Flow Dynamics, 2019.11.
115. K. Koga, P. Attri, K. Ishikawa, T. Okumura, K. Matsuo, D. Yamashita, K. Kamataki, N. Itagaki, M. Shiratani, V. Mildaziene, Role of seed coat color and harvest year on growth enhancement by plasma irradiation to seeds, The 73rd Annual Gaseous Electronics Conference, 2020.10.
116. K. Kamataki, S. Okunaga, K. Tomita, D. Yamashita, T. Okumura, N. Itagaki, K. Koga, M. Shiratani, Information on electric field deduced using a fine particle trapped with laser tweezers in Ar plasma, The 73rd Annual Gaseous Electronics Conference, 2020.10.
117. 奥村賢直, Non-enzymatic Conformational Change of Protein by Non-lethal Stimulation of Atmospheric-Pressure Plasma and Electric Field, 第36回九州・山口プラズマ研究会, 2020.11.
118. R. Narishige, K. Kaneshima, D. Yamashita, K. Kamataki,T. Okumura, K. Koga, M. Shiratani, N. Itagaki, Effects of substrate surface polarity on epitaxial growth of magnetron sputtered (ZnO)x(InN)1-xfilms, The 5t h Asian Applied Physics Conference (Asian-APC), 2020.11.
119. D. Takahashi, Y. Nakamura, S. Urakawa, D. Yamashita,T. Okumura, K. Kamataki, K. Koga, M. Shiratani, N. Itagaki, Bandgap Tuning of ZnMgO Films on Sapphire Substrates Fabricated by Sputter Epitaxy, The 5t h Asian Applied Physics Conference (Asian-APC), 2020.11.
120. Y. Midou, S. Urakawa, D. Yamashita, T. Okumura, K. Kamataki, K. Koga, M. Shiratani, N. Itagaki, Sputter deposition of low resistive amorphous In2O3:Sn films using impurity mediate amorphization method: Effects of substrate temperature, The 5t h Asian Applied Physics Conference (Asian-APC), 2020.11.
121. H. Tanaka, R. Kogawa, Y. Oba, M. Fujita, T. Okumura, P. Attri, K. Koga, M. Shiratani, K. Kamataki, N. Itagaki, Nitric Acid Generation by Pulsed Needle-water Discharge Plasma, 第30回日本MRS年次大会, 2020.12.
122. K. Koga, P. Attri, T. Anan, R. Arita, H. Tanaka, T. Okumura, D. Yamashita, K. Matsuo, K. Kanataki, N. Itagaki, M. Shiratani, Y. Ishibashi, Impact of Plasma Treatment Time on the Barley Seeds using Electron Paramagnetic Resonance, 第30回日本MRS年次大会, 2020.12.
123. T. Okumura, H. Tanaka, R. Arita, D. Yamashita, K. Matsuo, P. Attri, K. Kamataki, N. Itagaki, K. Koga, M. Shiratani, Growth of Rice Cultivated in Field from Plasma-irradiated Seeds and Its Health Assessment for rats, 第30回日本MRS年次大会, 2020.12.
124. P. Attri, K. Koga, T. Okumura, K. Kamataki, N. Itagaki, M. Shiratani, Impact of Plasma Treatment on the binding of C-terminal Domain of SARS-CoV-2 Spike Protein with Human Angiotensin-Converting Enzyme 2 (hACE2), 第30回日本MRS年次大会, 2020.12.
125. Y. Sasaki, T. Yoshida, K. Abe, K. Yamamoto, K. Kamataki, T. Okumura, N. Itagaki, K. Koga, M. Shiratani, Low temperature fabrication of SiO2 films using capacitively coupled TEOS plasma, The 21st Workshop on Fine Particle Plasmas, 2020.12.
126. R. Narishige, K. Kaneshima, S. Urakawa, D. Yamashita, K. Kamataki, T. Okumura, K. Koga, M. Shiratani, N. Itagaki , Effects of surface polarity of ZnO substrates on epitaxial growth of magnetron sputtered (ZnO)x(InN)1-x films, ICMAP 2020 & ISFM 2020, 2021.01.
127. Y. Mido, S. Urakawa, D. Yamashita, T. Okumura, K. Kamataki, K. Koga, M. Shiratani, N. Itagaki, Sputter deposition of low resistive amorphous In2O3:Sn films using nitrogen mediate amorphization method: Effects of nitrogen flow rate, ICMAP 2020 & ISFM 2020, 2021.01.
128. D. Takahashi, Y. Nakamura, S. Urakawa, D. Yamashita, T. Okumura, K. Kamataki, K. Koga, M. Shiratani, N. Itagaki , Structural and Optical Properties of ZnMgO Films on Sapphire Substrates Fabricated by Sputter Epitaxy, ICMAP 2020 & ISFM 2020, 2021.01.
129. M. Shiratani, P.Attri, T. Okumura, K. Koga, Applications of Low Temperature Plasma to Agriculture in Preharvest Stage (Invited), ICMAP 2020 & ISFM 2020, 2021.01.
130. Y. Nakamura, M. Kikuchi, D. Yamashita, K. Kamataki, T. Okumura, K. Koga, M. Shiratani, N. Itagak, Impact of surface morphologies of 3D island layers on the single crystal growth of magnetron sputtered ZnO films, ICMAP 2020 & ISFM 2020, 2021.01.
131. K. Kaneshima, S. Urakawa, R. Narishige, D. Yamashita, T. Okumura, K. Kamataki, K. Koga, M. Shiratani, N. Itagaki, Growth of high-quality (ZnO)x(InN)1-x films by RF magnetron sputtering using a two-step growth process, ICMAP 2020 & ISFM 2020, 2021.01.
132. S. Urakawa, K. Kaneshima, R. Narishige, D. Yamashita, T. Okumura, K. Kamataki, K. Koga, M. shiratani, N. Itagaki, Sputter deposition of ZnAlO films with tunable bandgaps from 3.4 to 6.1 eV, ICMAP 2020 & ISFM 2020, 2021.01.
133. K.Koga‚ S. H. Hwang‚ K. Kamataki‚ N. Itagaki‚ M. Shiratani, High Throughput Deposition of Hydrogenated Amorphous Carbon Films using High-Pressure Ar+CH4 Plasmas, ICMCTF2021, 2021.04.
134. Chia-Hsing Chang, Ken-ichi Yano, Takamasa Okumura, Takehiko Sato, Cell Response to Pulsed Current Modeled after Atmospheric Pressure Plasma, 7th International Conference on Plasma Medicine (ICPM-7), 2018.06.
135. Ryo Hiraka, Takamasa Okumura, R&D of DBD Plasma Reactor for Sterlizing Toothbrush, 3rd International Conference of Science of Technology Innovation 2018, 2018.10.
136. Shuto Tamura, Takamasa Okumura, Visualization of Dielectric Heating by High-Frequency Pulsed Gas-Liquid Phase Discharge, 3rd International Conference of Science of Technology Innovation 2018, 2018.10.
137. T. Okumura, C. Zhou, E. Kubo, T. Shimizu, T. Nakajima, T. Sato, Formation of Electric Potential in Liquid by Needle-Water Discharge, 10th Asia-Pacific International Symposium on the Basics and Applications of Plasma Technology, 2017.12.
138. Y. Saito, K. Takano, T. Okumura, K. Takahashi, K. Takaki, N. Satta, T. Fujio, Inactivation of Ralstonia solanacearum Using Discharge under Culture Solution in Hydroponics, The 15th International Conference on Advanced Materials, 2017.08.
139. Y. Saito, K. Takahashi, K. Takaki, N. Satta, T. Okumura, T. Fujio, Inactivation ‎Ralstonia ‎solanacearum ‎pulse ‎discharge ‎hydroponics, Pulsed Power Conference, 2017.06.
140. T. Fujiwara, T. Yaegashi, T. Okumura, K. Takahashi, K. Takaki, T. Kudo, Influence of Pulsed Electric Field Application on Enzyme Activity in Unpasteurized Sake (Namazake), The 15th International Conference on Advanced Materials, 2017.08.
141. T. Okumura, C. Zhou, E. Kubo, T. Shimizu, T. Nakajima, T. Sato, Potential Formation in Water by Cold Atmospheric Plasma, Fourteenth International Conference on Flow Dynamics, 2017.11.
142. T. Okumura, C. Zhou, E. Kubo, T. Shimizu, T. Nakajima, T. Sato, Potential formation in water by plasma discharge between needle and water, 4th Japan-Taiwan Workshop on Plasma Life Science and Technology, 2017.06.
143. Y. Oshika, Y. Tsuchiya, T. Okumura, Yuji Muramoto, A.C. breakdown voltage of ice electret, 1st Asian ICMC and CSSJ 50th Anniversary Conference, 2016.11.
144. T. Okumura, K. Takano, Y. Saito, K. Takahashi, K. Takaki, N. Satta, T. Fujio, Development and Pilot Test of Sterilization System Using Discharge Reactor for Hydroponics Solution, 43rd IEEE International Conference on Plasma Science, 2016.06.
145. T. Okumura, K. Takano, Y. Saito, K. Takahashi, K. Takaki, N. Satta, T. Fujio, Inactivation of Bacteria Using Discharge Plasma under Liquid Fertilizer in Hydroponic Culture System, The 22nd International Conference on Advanced Oxidation Technologies for Treatment of Water, Air and Soil, 2016.11.
146. T. Okumura, K. Yadama, T. Yaegashi, T. Ito, S. Aisawa, S. Yamazaki, K. Takahashi, S. Bunei, K. Takaki, AC Electric Field-Induced Conformational Change in Bovine Serum Albumin, The joint symposium of the 9th Asia-Pacific International Symposium on the Basics and Applications of Plasma Technology / the 28th Symposium on Plasma Science for Materials, 2015.12.
147. T. Okumura, K. Yadama, T. Yaegashi, T. Ito, S. Aisawa, S. Yamazaki, K. Takahashi, S. Bunei, K. Takaki, Conformational Change of Protein with AC Electric Field for Keeping Freshness of Marine Products, 7th International Workshop on Plasma Scientech for All Something, 2015.11.
148. T. Okumura, T. Ito, K. Takahashi, S. Aisawa, S. Yamazaki, B. Syuto, K. Takaki, K. Urashima, Conformational Change of Bovine Serum Albumin by AC Electric Field for Keeping Freshness of Marine Products, 3rd International Symposium on New Plasma and Electrical Discharge Applications and on Dielectric Materials 2015, 2015.10.
149. K. Yamada, T. Yaegashi, T. Okumura, T. Ito, S. Yamazaki, S. Aisawa, B. Syuto, K. Takaki, Conformational change in bovine serum albumin by AC electric field, The 2nd Japan-Taiwan Workshop on Plasma Life Science and Technology, 2014.07.
150. T. Yaegashi, K. Yamada, T. Okumura, T. Ito, S. Yamazaki, S. Aisawa, B. Syuto, K. Takaki, Effect of AC Electric Field on Gonad of Sea Urchin, The 2nd Japan-Taiwan Workshop on Plasma Life Science and Technology, 2014.07.
151. T. Okumura, Y. Muramoto, N. Shimizu, Polarity Effect on Growth Acceleration of Arabidopsis Thaliana by DC Electric Field, 11th IEEE International Conference on Solid Dielectrics, 2013.07.
152. T. Okumura, Y. Muramoto, N. Shimizu, Dependency of Growth of Arabidopsis thaliana on Intensity of D.C. Electric Field, 2012 IEEE Conference on Electrical Insulation and Dielectric Phenomena, 2012.10.
153. T. Okumura, Y. Muramoto, N. Shimizu, Improvement of seed germination and seedling growth of Arabidopsis thaliana by D.C. Electric Field, Bioelectronics 2012, 2012.09.
154. S. Iwata, T. Okumura, Y. Muramoto, N. Shimizu, Influence of AC Electric Field on Plant Growth, 2011 IEEE Conference on Electrical Insulation and Dielectric Phenomena, 2011.10.
155. T. Okumura, Y. Muramoto, N. Shimizu, Influence of Electric Field on Plant Growth, 2010 IEEE Conference on Electrical Insulation and Dielectric Phenomena, 2010.07.
156. T. Okumura, Y. Muramoto, N. Shimizu, Influence of Electric Field on Plant Weight, 2009 IEEE Conference on Electrical Insulation and Dielectric Phenomena, 2009.10.
157. T. Okumura, S. Iwata, Y. Muramoto, N. Shimizu, Optimum D.C. Electric Field Strength for Growth Acceleration of Thale Cress, 2011 IEEE Conference on Electrical Insulation and Dielectric Phenomena, 2009.10.