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 201–225 of 296 patents

Patent #TitleCo-InventorsDate
5611942 Method for producing tips for atomic force microscopes Tadashi Mitsui 1997-03-18
5609148 Method and apparatus for dicing semiconductor wafers Alexander Mitwalsky 1997-03-11
5605574 Semiconductor wafer support apparatus and method Yoshitaka Tsunashima 1997-02-25
5593537 Apparatus for processing semiconductor wafers William J. Cote, James Ryan, Hiroyuki Yano 1997-01-14
5569392 Method and apparatus for repairing defect on plane surface of phase shift mask Motosuke Miyoshi 1996-10-29
5552628 Semiconductor device and method of manufacturing the same Tohru Watanabe 1996-09-03
5547787 Exposure mask, exposure mask substrate, method for fabricating the same, and method for forming pattern based on exposure mask Shinichi Ito, Haruo Okano, Toru Watanabe 1996-08-20
5548183 Magnetic field immersion type electron gun Motosuke Miyoshi, Yuichiro Yamazaki 1996-08-20
5543334 Method of screening semiconductor device Ichiro Yoshii, Hiroyuki Kamijoh, Yoshio Ozawa, Kikuo Yamabe, Kazuhiko Hashimoto +1 more 1996-08-06
5538815 Method for designing phase-shifting masks with automatization capability Kazuko Oi, Shigehiro Hara, Kiyomi Koyama, Koji Hashimoto, Shinichi Ito 1996-07-23
5539179 Electrostatic chuck having a multilayer structure for attracting an object Toshihisa Nozawa, Junichi Arami, Shinji Kubota, Isahiro Hasegawa 1996-07-23
5536603 Phase shift mask and method of fabricating the same Takashi Tsuchiya, Masami Watase, Toru Watanabe 1996-07-16
5534106 Apparatus for processing semiconductor wafers William J. Cote, James Ryan, Hiroyuki Yano 1996-07-09
5498874 Defect detecting apparatus and method Motosuke Miyoshi 1996-03-12
5491425 Apparatus for evaluating characteristics of semiconductor device and method of evaluating characteristics of semiconductor device using the same Toru Watanabe, Yuri Yonekura 1996-02-13
5491339 Charged particle detection device and charged particle radiation apparatus Tadashi Mitsui, Nozomu Harada, Motosuke Miyoshi, Makoto Sekine, Haruo Okano 1996-02-13
5489336 Apparatus for forming a silicon oxide film on a silicon wafer Masako Kodera, Masami Watase, Shiro Mishima 1996-02-06
5483568 Pad condition and polishing rate monitor using fluorescence Hiroyuki Yano 1996-01-09
5474643 Plasma processing apparatus Junichi Arami, Tamio Endo, Shiro Koyama, Kazuo Kikuchi, Teruaki Shiraishi +3 more 1995-12-12
5444207 Plasma generating device and surface processing device and method for processing wafers in a uniform magnetic field Makoto Sekine, Keiji Horioka, Haruo Okano, Isahiro Hasegawa, Masaki Narita 1995-08-22
5437733 Method and apparatus for treating a substrate 1995-08-01
5431561 Method and apparatus for heat treating Kikuo Yamabe, Keitaro Imai, Ken Nakao, Seikou Ueno 1995-07-11
5429730 Method of repairing defect of structure Hiroko Nakamura, Haruki Komano, Kazuyoshi Sugihara, Keiji Horioka, Mitsuyo Kariya +7 more 1995-07-04
5415191 Arrangement for cleaning semiconductor wafers using mixer Noriyoshi Mashimo 1995-05-16
5413663 Plasma processing apparatus Masahiro Shimizu, Takayuki Fukasawa, Yuichiro Yamazaki, Motosuke Miyoshi, Haruo Okano 1995-05-09