Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373436 | Power converting device with inverter circuitry for driving multiple-phase variable-speed motor | Yoshiyuki Sano | 1994-12-13 |
| 5315134 | Thyristor with insulated gate | Tsuneo Ogura, Kiminori Watanabe, Akio Nakagawa, Norio Yasuhara, Tomoko Matsudai | 1994-05-24 |
| 5286984 | Conductivity modulated MOSFET | Akio Nakagawa, Hiromichi Ohashi, Kiminori Watanabe, Thuneo Thukakoshi | 1994-02-15 |