ST

Shigeki Tozawa

TL Tokyo Electron Limited: 13 patents #516 of 5,567Top 10%
TL Tokyo Electron Yamanashi Limited: 6 patents #1 of 138Top 1%
HI Hitachi: 4 patents #8,942 of 28,497Top 35%
HC Hitachi Tokyo Electronics Co.: 2 patents #9 of 101Top 9%
SC Shin-Etsu Chemical Co.: 1 patents #1,340 of 2,176Top 65%
Overall (All Time): #382,998 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
9466507 Etching method, and recording medium Tomoaki OGIWARA 2016-10-11
9105586 Etching of silicon oxide film Yusuke Muraki 2015-08-11
8991333 Substrate processing method and system 2015-03-31
8968475 Substrate processing apparatus Masaya Odagiri, Hajime Ugajin 2015-03-03
8956546 Substrate processing method and substrate processing apparatus Hajime Ugajin 2015-02-17
7922865 Magnetic field generator for magnetron plasma, and plasma etching apparatus and method comprising the magnetic field generator Koji Miyata, Jun Hirose, Akira Kodashima, Kazuhiro Kubota, Yuki Chiba 2011-04-12
6190495 Magnetron plasma processing apparatus Kazuhiro Kubota, Jun Hirose, Akira Koshiishi, Tomomi Kondo 2001-02-20
5779803 Plasma processing apparatus Yoichi Kurono, Shozo Hosoda 1998-07-14
5766498 Anisotropic etching method and apparatus Masayuki Kojima, Yoshikazu Ito, Kazushi Tomita, Shunichi Iimuro, Masashi Arasawa +1 more 1998-06-16
5593540 Plasma etching system and plasma etching method Kazushi Tomita, Yoshikazu Ito, Motohiro Hirano, Akira Nozawa, Hiromitsu Matsuo +2 more 1997-01-14
5578164 Plasma processing apparatus and method Yoichi Kurono, Shozo Hosoda 1996-11-26
5445709 Anisotropic etching method and apparatus Masayuki Kojima, Yoshikazu Ito, Kazuhsi Tomita, Shunichi Iimuro, Masashi Arasawa +1 more 1995-08-29
5423936 Plasma etching system Kazushi Tomita, Yoshikazu Ito, Motohiro Hirano, Akira Nozawa, Hiromitsu Matsuo +2 more 1995-06-13