Issued Patents All Time
Showing 25 most recent of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5682044 | Reverse conducting thyristor with a planar-gate, buried-gate, or recessed-gate structure | Kimihiro Muraoka, Yoshiaki Ikeda, Keun Sam Lee, Naohiro Shimizu, Masashi Yura +1 more | 1997-10-28 |
| 5665987 | Insulated gate static induction thyristor with a split gate type shorted cathode structure | Kimihiro Muraoka, Yoshinobu Ohtsubo, Toshio Higuchi, Makoto Iguchi | 1997-09-09 |
| 5545905 | Static induction semiconductor device with a static induction schottky shorted structure | Kimihiro Muraoka, Naohiro Shimizu | 1996-08-13 |
| 5461242 | Insulated gate static induction thyristor with a split gate type shorted cathode structure | Kimihiro Muraoka, Yoshinobu Ohtsubo, Toshio Higuchi, Makoto Iguchi | 1995-10-24 |
| 5418376 | Static induction semiconductor device with a distributed main electrode structure and static induction semiconductor device with a static induction main electrode shorted structure | Kimihiro Muraoka, Naohiro Shimizu | 1995-05-23 |
| 5352910 | Semiconductor device with a buffer structure | Kimihiro Muraoka | 1994-10-04 |
| 5324966 | MOS-controlled thyristor | Kimihiro Muraoka | 1994-06-28 |
| 5065206 | Photoelectric converting device with accumulating gate region | Jun-ichi Nishizawa, Hideo Maeda | 1991-11-12 |
| 5021936 | PWM power converter using mixed bipolar and static induction transistors | Jun-ichi Nishizawa, Koichi Mitamura, Hiroo Takahashi, Kiyoo Mitsui, Mitsuo Ikehara +2 more | 1991-06-04 |
| 5017991 | Light quenchable thyristor device | Jun-ichi Nishizawa, Ken Nonaka | 1991-05-21 |
| 4956599 | Power control apparatus | Jun-ichi Nishizawa, Koji Ishibashi, Kiyoshi Wagatsuma | 1990-09-11 |
| 4952996 | Static induction and punching-through photosensitive transistor devices | Jun-ichi Nishizawa, Hideo Maeda | 1990-08-28 |
| 4914043 | Method of making an integrated light-triggered and light-quenched static induction thyristor | Jun-ichi Nishizawa, Ken Nonaka | 1990-04-03 |
| 4891682 | Solid state image pick-up device having a number of static induction transistor image sensors | Atsushi Yusa, Hidetoshi Yamada, Takashi Mizusaki, Jun-ichi Nishizawa | 1990-01-02 |
| 4866500 | Integrated light-triggered and light-quenched static induction thyristor and making method thereof | Jun-ichi Nishizawa, Ken Nonaka | 1989-09-12 |
| 4791396 | Color image sensor | Jun-ichi Nishizawa, Istvan Barsony | 1988-12-13 |
| 4725873 | Semiconductor imaging device | Junichi Nishizawa, Sobei Suzuki | 1988-02-16 |
| 4719499 | Semiconductor imaging device | Junichi Nishizawa, Sobei Suzuki | 1988-01-12 |
| 4719551 | Optically controlled power converting apparatus | Junichi Nishizawa, Kimio Miura, Kiyoo Mitsui, Koichi Mitamura | 1988-01-12 |
| 4686555 | Solid state image sensor | Atsushi Yusa, Jun-ichi Nishizawa, Sohbe Suzuki | 1987-08-11 |
| 4684966 | Static induction transistor photodetector having a deep shielding gate region | Junichi Nishizawa, Sobei Suzuki | 1987-08-04 |
| 4651180 | Semiconductor photoelectric transducer | Jun-ichi Nishizawa, Kaoru Motoya | 1987-03-17 |
| 4651015 | Semiconductor imaging device utilizing static induction transistors | Junichi Nishizawa | 1987-03-17 |
| 4626916 | Solid state image pickup device | Toyokazu Mizoguchi, Jun-ichi Nishizawa, Sohbe Suzuki | 1986-12-02 |
| 4623909 | Semiconductor photodetector | Jun-ichi Nishizawa | 1986-11-18 |