Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5652467 | Semiconductor device and package structure therefore and power inverter having semiconductor device | Hidekatsu Onose | 1997-07-29 |
| 5635734 | Insulated gate type semiconductor device in which the reliability and characteristics thereof are not deteriorated due to pressing action and power inverter using the same | Yuji Takayanagi, Hideo Kobayashi, Hidekatsu Onose | 1997-06-03 |
| 5554863 | Gate turn-off thyristor | Sigeyasu Kouzuchi, Takashi Saitoh, Hitoshi Komuro | 1996-09-10 |
| 5051806 | Gate turn-off thyristor of multi-emitter type | Toshihide Ujihara, Tadashi Sakaue, Shuji Musha | 1991-09-24 |
| 4868625 | Gate turn-off thyristor of multi-emitter type | Toshihide Ujihara, Tadashi Sakaue, Shuji Musha | 1989-09-19 |
| 4786959 | Gate turn-off thyristor | Yoshiteru Shimizu, Takahiro Nagano, Takehiro Ohta | 1988-11-22 |
| 4775916 | Pressure contact semiconductor device | Shigeyasu Kouzuchi, Tadashi Sakaue, Masafumi Ono | 1988-10-04 |
| 4682198 | Gate turn-off thyristor with integral capacitive anode | Yasuhiko Ikeda | 1987-07-21 |
| 4607273 | Power semiconductor device | Hitoshi Matsuzaki, Yasuhiko Ikeda, Takehiro Ohta | 1986-08-19 |
| 4450467 | Gate turn-off thyristor with selective anode penetrating shorts | Takahiro Nagano, Isamu Sanpei, Masaru Nakagawa | 1984-05-22 |
| 4298881 | Semiconductor device with double moat and double channel stoppers | Yoichi Nakashima, Isao Kojima, Hideyuki Yagi, Tadaaki Kariya, Masayoshi Sugiyama | 1981-11-03 |