Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5089719 | Drive circuit for a semiconductor device with high voltage for turn-on and low voltage for normal operation | Minami Takeuchi | 1992-02-18 |
| 5006921 | Power semiconductor switching apparatus with heat sinks | Masaru Ishizuka, Yasuyuki Yokono, Asako Matsuura, Hiromichi Ohashi, Mitsuhiko Kitagawa +2 more | 1991-04-09 |
| 4797801 | Plural polyphase inverter units having toned input filters | Takeshi Furuhashi | 1989-01-10 |