Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5830771 | Manufacturing method for semiconductor device | Shigemitsu Fukatsu, Ryouichi Kubokoya | 1998-11-03 |
| 5798550 | Vertical type semiconductor device and gate structure | Masami Yamaoka, Yoshifumi Okabe, Yasuaki Tsuzuki, Yutaka Tomatsu | 1998-08-25 |
| 5714408 | Method of forming silicon nitride with varied hydrogen concentration | Yuji Ichikawa, Yasushi Tanaka, Yasuo Souki, Ryouichi Kubokoya, Hirohito Shioya | 1998-02-03 |
| 5689130 | Vertical semiconductor device with ground surface providing a reduced ON resistance | Yoshifumi Okabe, Masami Yamaoka | 1997-11-18 |
| 5663096 | Method of manufacturing a vertical semiconductor device with ground surface providing a reduced ON resistance | Yoshifumi Okabe, Masami Yamaoka | 1997-09-02 |
| 5654560 | Semiconductor device with current detecting function and method of producing the same | Toshiaki Nishizawa, Tsuyoshi Yamamoto, Norihito Tokura | 1997-08-05 |
| 5592004 | Silicon nitride film having a short absorption wavelength and surrounding crystal-like grain boundaries | Muneo Tamura, Takeshi Yamauchi, Katuhide Niwa, Takeshi Fukazawa, Tooru Yamaoka | 1997-01-07 |
| 5550067 | Method for producing semiconductor device having DMOS and NMOS elements formed in the same substrate | Yutaka Tomatsu, Yasuaki Tsuzuki | 1996-08-27 |
| 5534454 | Method of producing a semiconductor device having accurate current detection | Yasuaki Tsuzuki, Toshiaki Nishizawa | 1996-07-09 |
| 5470771 | Method of manufacturing a floating gate memory device | Tetsuo Fujii, Minekazu Sakai | 1995-11-28 |
| 5462896 | Method of forming a sidewall on a semiconductor element | Atushi Komura, Kenji Kondo | 1995-10-31 |
| 5453390 | Method of producing semiconductor device with current detecting function | Toshiaki Nishizawa, Tsuyoshi Yamamoto, Norihito Tokura | 1995-09-26 |
| 5410171 | Vertical type semiconductor with main current section and emulation current section | Yasuaki Tsuzuki, Toshiaki Nishizawa | 1995-04-25 |
| 5250449 | Vertical type semiconductor device and method for producing the same | Masami Yamaoka, Yoshifumi Okabe | 1993-10-05 |
| 5242862 | Semiconductor device and method of manufacturing same | Yoshifumi Okabe, Masami Yamaoka | 1993-09-07 |
| 5063423 | Semiconductor memory device of a floating gate tunnel oxide type | Tetsuo Fujii, Minekazu Sakai | 1991-11-05 |
| 5017979 | EEPROM semiconductor memory device | Tetsuo Fujii, Minekazu Sakai | 1991-05-21 |
| 4975390 | Method of fabricating a semiconductor pressure sensor | Tetsuo Fujii, Susumu Kuroyanagi, Tomohiro Funahashi, Minekazu Sakai, Shinji Yoshihara | 1990-12-04 |