Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6236069 | Insulated-gate thyristor | Takashi Shinohe, Kazuya Nakayama, Masakazu Yamaguchi, Mitsuhiko Kitagawa, Ichiro Omura +1 more | 2001-05-22 |
| 5793065 | Insulated-gate thyristor | Takashi Shinohe, Kazuya Nakayama, Masakazu Yamaguchi, Mitsuhiko Kitagawa, Ichiro Omura +1 more | 1998-08-11 |
| 5464994 | Insulated-gate thyristor | Takashi Shinohe, Kazuya Nakayama, Masakazu Yamaguchi, Mitsuhiko Kitagawa, Ichiro Omura +1 more | 1995-11-07 |
| 5381026 | Insulated-gate thyristor | Takashi Shinohe, Kazuya Nakayama, Masakazu Yamaguchi, Mitsuhiko Kitagawa, Ichiro Omura +1 more | 1995-01-10 |
| 5089719 | Drive circuit for a semiconductor device with high voltage for turn-on and low voltage for normal operation | Yoshio Kamei | 1992-02-18 |
| 4609937 | Power semiconductor device with O-ring seal | Shuichi Otake | 1986-09-02 |
| 4392175 | Protecting device for a gate turn-off thyristor | Katsuhiko Takigami | 1983-07-05 |
| 4357621 | Reverse conducting thyristor with specific resistor structures between main cathode and amplifying, reverse conducting portions | — | 1982-11-02 |
| 4296427 | Reverse conducting amplified gate thyristor with plate-like separator section | Minoru Kuriki | 1981-10-20 |