Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7354829 | Trench-gate transistor with ono gate dielectric and fabrication process therefor | Takaaki Aoki, Yutaka Tomatsu, Akira Kuroyanagi, Mikimasa Suzuki | 2008-04-08 |
| 6521538 | Method of forming a trench with a rounded bottom in a semiconductor device | Kenji Kondo, Eiji Ishikawa, Yoshikazu Sakano, Mikimasa Suzuki | 2003-02-18 |
| 6482701 | Integrated gate bipolar transistor and method of manufacturing the same | Eiji Ishikawa, Kenji Kondo | 2002-11-19 |
| 6469345 | Semiconductor device and method for manufacturing the same | Takaaki Aoki, Yutaka Tomatsu, Akira Kuroyanagi, Mikimasa Suzuki | 2002-10-22 |
| 6274452 | Semiconductor device having multilayer interconnection structure and method for manufacturing the same | Shoji Miura, Satoshi Shiraki | 2001-08-14 |
| 6165862 | Method of producing a thin film resistor | Eizi Ishikawa, Kenji Kondo | 2000-12-26 |
| 6090718 | Dry etching method for semiconductor substrate | Kenji Kondo, Eiji Ishikawa, Yoshikazu Sakano, Yuji Ichikawa | 2000-07-18 |
| 5871659 | Dry etching process for semiconductor | Yoshikazu Sakano, Kenji Kondo, Yasuo Ishihara, Yoshifumi Okabe | 1999-02-16 |
| 4912451 | Heterojunction magnetic field sensor | Yoshinobu Sugiyama, Munecazu Tacano | 1990-03-27 |