KK

Koji Koyama

TL Tokyo Electron Limited: 12 patents #586 of 5,567Top 15%
AC Adamant Namiki Precision Jewel Co.: 5 patents #1 of 58Top 2%
KI Kito: 4 patents #13 of 64Top 25%
SC Sumitomo Chemical: 4 patents #1,124 of 4,033Top 30%
OC Orbray Co.: 2 patents #2 of 16Top 15%
NU National University Corporation Kobe University: 1 patents #47 of 288Top 20%
NC Nippon Shokubai Co.: 1 patents #656 of 1,108Top 60%
DC Dainippon Sumitomo Pharma Co.: 1 patents #107 of 256Top 45%
📍 Niihama, JP: #19 of 473 inventorsTop 5%
Overall (All Time): #129,495 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDate
12134161 Method for polishing diamond crystal, and diamond crystal Seongwoo Kim, Daiki Fujii, Koki OYAMA 2024-11-05
12024792 Diamond crystal Seongwoo Kim, Daiki Fujii, Yutaka Kimura 2024-07-02
11639299 Draw solute and water treatment equipment Yuki Miyoshi, Hideto Matsuyama, Asuka Inada 2023-05-02
11569068 Plasma processing apparatus Kazushi Kaneko, Takashi Hasegawa, Naoki Matsumoto 2023-01-31
11505878 Diamond crystal substrate, method for producing diamond crystal substrate, and method for homo-epitaxially growing diamond crystal Seongwoo Kim, Yuki KAWAMATA, Naoki Fujita 2022-11-22
11217430 Plasma processing apparatus and plasma processing method Masaki Inoue, Yasutaka Sakai 2022-01-04
10896811 Antenna device, radiation method of electromagnetic waves, plasma processing apparatus, and plasma processing method Ayako Ito, Yuki KAWADA, Takahiro Senda, Naoki Matsumoto 2021-01-19
10879045 Plasma processing apparatus Kazushi Kaneko 2020-12-29
10832892 Antenna, plasma processing device and plasma processing method Kazuki Takahashi, Yuki KAWADA, Naoki Matsumoto, Takahiro Senda, Shohei Fukano +3 more 2020-11-10
10825658 Antenna and plasma processing apparatus Yuki KAWADA 2020-11-03
10619267 Diamond substrate Hideo Aida, Kenjiro IKEJIRI, Seongwoo Kim 2020-04-14
10622197 Plasma processing apparatus and plasma processing method Shinji Kubota, Takashi Dokan, Naoki Matsumoto 2020-04-14
10553402 Antenna device and plasma processing apparatus Yuki KAWADA, Naoki Matsumoto, Ayako Ito, Takahiro Senda 2020-02-04
10504698 Plasma processing apparatus Masayuki Kohno, Ryou Son, Naoki Matsumoto, Jun Yoshikawa, Michitaka Aita +4 more 2019-12-10
10480096 Diamond substrate Hideo Aida, Kenjiro IKEJIRI, Seongwoo Kim 2019-11-19
10246794 Diamond substrate and method for manufacturing diamond substrate Hideo Aida, Kenjiro IKEJIRI, Seongwoo Kim 2019-04-02
10132000 Diamond substrate and diamond substrate manufacturing method Hideo Aida, Kenjiro IKEJIRI, Seongwoo Kim 2018-11-20
10083819 Antenna and plasma processing apparatus Naoki Matsumoto, Jun Yoshikawa 2018-09-25
9802798 Hand operated pulling and lifting hoist Nobuyoshi Mukawa 2017-10-31
9498912 Extruded resin film and method for producing the same Tomohiro Maekawa 2016-11-22
9418822 Plasma processing apparatus, plasma processing method and high frequency generator Kazushi Kaneko, Naoki Matsumoto, Kazunori Funazaki, Hideo Kato, Kiyotaka Ishibashi 2016-08-16
9048070 Dielectric window for plasma treatment device, and plasma treatment device Caizhong Tian, Naoki Matsumoto, Naoki Mihara, Kazuki Takahashi, Jun Yoshikawa +2 more 2015-06-02
8598370 Process for producing threo-3-(3,4-dihydroxyphenyl)-L-serine Toshikazu Yagi, Masanori Itoh 2013-12-03
7614610 Hoisting and pulling device Desheng Xia 2009-11-10
7575223 Overload preventing apparatus in hoist Desheng Xia 2009-08-18