KO

Katsuya Okumura

KT Kabushiki Kaisha Toshiba: 243 patents #9 of 21,451Top 1%
TL Tokyo Electron Limited: 32 patents #115 of 5,567Top 3%
EB Ebara: 30 patents #55 of 1,611Top 4%
OC Octec: 23 patents #1 of 42Top 3%
IBM: 7 patents #14,640 of 70,183Top 25%
TO Toshiba: 7 patents #92 of 2,688Top 4%
TO Tomoegawa: 6 patents #7 of 108Top 7%
CK Ckd: 5 patents #43 of 332Top 15%
FC Fuji Electric Co.: 5 patents #458 of 2,643Top 20%
JS Jsr: 5 patents #221 of 1,137Top 20%
IC Ibiden Co.: 4 patents #206 of 730Top 30%
Kyocera: 3 patents #999 of 3,732Top 30%
SA Siemens Aktiengesellschaft: 3 patents #4,667 of 22,248Top 25%
TS Tokyo Electron Sagami: 3 patents #10 of 81Top 15%
NC Nicca Chemical Co.: 2 patents #18 of 106Top 20%
Sharp Kabushiki Kaisha: 2 patents #5,184 of 10,731Top 50%
SC Shin-Etsu Chemical Co.: 1 patents #1,340 of 2,176Top 65%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
TL Tokyo Electron Kyushu Limited: 1 patents #67 of 104Top 65%
SH Shimadzu: 1 patents #1,152 of 2,007Top 60%
SC Screen Holdings Co.: 1 patents #452 of 686Top 70%
TK Tokyo Kogaku Kikai: 1 patents #65 of 143Top 50%
YE Yaskawa Electric: 1 patents #557 of 1,006Top 60%
SC Sanko Co.: 1 patents #11 of 45Top 25%
Toshiba Memory: 1 patents #1,210 of 1,971Top 65%
TT Toudai Tlo: 1 patents #31 of 79Top 40%
UK Ushio Denki Kabushiki Kaisha: 1 patents #309 of 583Top 55%
HK Hamamatsu Photonics K.K.: 1 patents #936 of 1,436Top 70%
📍 Tokyo, NY: #1 of 99 inventorsTop 2%
Overall (All Time): #1,341 of 4,157,543Top 1%
296
Patents All Time

Issued Patents All Time

Showing 226–250 of 296 patents

Patent #TitleCo-InventorsDate
5405443 Substrates processing device Masami Akimoto, Kazuyuki Gotou, Yasushi Ito 1995-04-11
5401065 Fluid coupling Kenichi Goshima 1995-03-28
5399860 Electron optic column and scanning electron microscope Motosuke Miyoshi 1995-03-21
5398459 Method and apparatus for polishing a workpiece Tohru Watanabe, Riichirou Aoki, Hiroyuki Yano, Masako Kodera, Atsushi Shigeta +4 more 1995-03-21
5395645 Method for forming a silicon oxide film on a silicon waffer Masako Kodera, Masami Watase, Shiro Mishima 1995-03-07
5380370 Method of cleaning reaction tube Reiji Niino, Yoshiyuki Fujita, Hideki Lee, Yasuo Imamura, Toshiharu Nishimura +3 more 1995-01-10
5376211 Magnetron plasma processing apparatus and processing method Hiromi Harada, Sinji Kubota, Hiromi Kumagai, Junichi Arami, Keiji Horioka +3 more 1994-12-27
5370371 Heat treatment apparatus Katsushin Miyagi, Shingo Watanabe, Yuuichi Mikata 1994-12-06
5368062 Gas supplying system and gas supplying apparatus Yoshihisa Sudo, Kenichi Goshima, Hiroshi Itafuji, Akihiro Kojima 1994-11-29
5362968 Optic column having particular major/minor axis magnification ratio Motosuke Miyoshi, Yuichiro Yamazaki 1994-11-08
5356834 Method of forming contact windows in semiconductor devices Shigeki Sugimoto 1994-10-18
5354710 Method of manufacturing semiconductor devices using an adsorption enhancement layer Hideichi Kawaguchi, Yoshitaka Tsunashima, Kikuo Yamabe 1994-10-11
5328078 Connection method and connection device for electrical connection of small portions 1994-07-12
5314847 Semiconductor substrate surface processing method using combustion flame Tohru Watanabe 1994-05-24
5315119 Electron beam irradiating apparatus and electric signal detecting apparatus Fumio Komatsu, Motosuke Miyoshi 1994-05-24
5302548 Semiconductor device manufacturing method Tohru Watanabe 1994-04-12
5297956 Method and apparatus for heat treating Kikuo Yamabe, Keitaro Imai, Ken Nakao, Seikou Ueno 1994-03-29
5293045 Electrostatic lens Motosuke Miyoshi, Yuichiro Yamazaki 1994-03-08
5286978 Method of removing electric charge accumulated on a semiconductor substrate in ion implantation Yukimasa Yoshida 1994-02-15
5279614 Stain preventive treatment process for polyamide fiber Juji Uchida, Masayuki Maeno 1994-01-18
5278104 Semiconductor wafer carrier having a dust cover Masako Kodera, Tohru Watanabe 1994-01-11
5262902 Filter for a low-pressure mercury vapor lamp Kazuo Kinoshita 1993-11-16
5261966 Method of cleaning semiconductor wafers using mixer containing a bundle of gas permeable hollow yarns Noriyoshi Mashimo 1993-11-16
5259883 Method of thermally processing semiconductor wafers and an apparatus therefor Kikuo Yamabe 1993-11-09
5254872 Semiconductor device and method of manufacturing the same Takashi Yoda, Tohru Watanabe 1993-10-19