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 176–200 of 296 patents

Patent #TitleCo-InventorsDate
5888876 Deep trench filling method using silicon film deposition and silicon migration Jun-ichi Shiozawa, Yoshitaka Tsunashima 1999-03-30
5885138 Method and apparatus for dry-in, dry-out polishing and washing of a semiconductor device Riichirou Aoki, Hiromi Yajima, Seiji Ishikawa, Manabu Tsujimura 1999-03-23
5879863 Pattern forming method Tsukasa Azuma, Masaki Narita 1999-03-09
5876273 Apparatus for polishing a wafer Hiroyuki Yano, Norio Kimura, Tomoyuki Yahiro, Hozumi Yasuda 1999-03-02
5849089 Evaporator for liquid raw material and evaporation method therefor Yoshitaka Tsunashima 1998-12-15
5818217 Electron beam irradiating apparatus and electric signal detecting apparatus Fumio Komatsu, Motosuke Miyoshi 1998-10-06
5807650 Photo mask and apparatus for repairing photo mask Haruki Komano, Hiroko Nakamura, Munehiro Ogasawara, Satoshi Masuda, Yoji Ogawa 1998-09-15
5759746 Fabrication process using a thin resist Tsukasa Azuma, Tokuhisa Ohiwa, Tetsuo Matsuda, David M. Dobuzinsky 1998-06-02
5746581 Method and apparatus for evacuating vacuum system Yuuichi Mikata, Manabu Tsujimura, Yoshio Ando 1998-05-05
5744293 Semiconductor device having antireflective layer containing organic resin with dispersed carbon particles Tsuyoshi Shibata 1998-04-28
5724144 Process monitoring and thickness measurement from the back side of a semiconductor body Karl Paul Muller, Theodore G. van Kessel 1998-03-03
5721173 Method of forming a shallow trench isolation structure Hiroyuki Yano 1998-02-24
5702529 Method of making doped semiconductor film having uniform impurity concentration on semiconductor substrate and apparatus for making the same Yuuichi Mikata, Katsunori Ishihara 1997-12-30
5679610 Method of planarizing a semiconductor workpiece surface Tetsuo Matsuda 1997-10-21
5679484 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 1997-10-21
5660744 Plasma generating apparatus and surface processing apparatus Makoto Sekine, Keiji Horioka, Haruo Okano, Isahiro Hasegawa, Masaki Narita 1997-08-26
5660671 Magnetron plasma processing apparatus and processing method Hiromi Harada, Sinji Kubota, Hiromi Kumagai, Junichi Arami, Keiji Horioka +3 more 1997-08-26
5643056 Revolving drum polishing apparatus Masayoshi Hirose, Seiji Ishikawa, Norio Kimura, Yoshimi Sasaki, Kouki Yamada +2 more 1997-07-01
5639308 Plasma apparatus Yuichiro Yamazaki, Motosuke Miyoshi 1997-06-17
5639699 Focused ion beam deposition using TMCTS Hiroko Nakamura, Haruki Komano, Kazuyoshi Sugihara, Keiji Horioka, Mitsuyo Kariya +7 more 1997-06-17
5637153 Method of cleaning reaction tube and exhaustion piping system in heat processing apparatus Reiji Niino, Yoshiyuki Fujita, Hideki Lee, Yasuo Imamura, Toshiharu Nishimura +4 more 1997-06-10
5636258 In-situ temperature measurement using X-ray diffraction James G. Ryan, Gregory Brian Stephenson, Hans-Joerg Timme 1997-06-03
5633207 Method of forming a wiring layer for a semiconductor device Hiroyuki Yano 1997-05-27
5620815 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 1997-04-15
5616063 Polishing apparatus Riichirou Aoki, Hiromi Yajima, Masako Kodera, Shirou Mishima, Atsushi Shigeta +3 more 1997-04-01