Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10651113 | Semiconductor apparatus, ignition device for internal combustion engine, and internal combustion engine system | Kazuhiro Nishimura, Koji Yamamoto | 2020-05-12 |
| 10128735 | Control circuit for semiconductor switching element, and semiconductor device | Koji Yamamoto, Shinsuke Godo | 2018-11-13 |
| 9859238 | Semiconductor device comprising regions of different current drive capabilities | Shinsuke Godo, Koji Yamamoto | 2018-01-02 |
| 8605408 | Power semiconductor device for igniter | Shinsuke Godo, Yukio Yasuda | 2013-12-10 |
| 8570780 | Semiconductor device | Shinsuke Godo | 2013-10-29 |
| 8536655 | Semiconductor device with power element and circuit element formed within the same semiconductor substrate | Koji Yamamoto | 2013-09-17 |
| 7910949 | Power semiconductor device | Yukio Yasuda, Shinsuke Goudo | 2011-03-22 |
| 7368825 | Power semiconductor device | — | 2008-05-06 |
| 6762461 | Semiconductor element protected with a plurality of zener diodes | — | 2004-07-13 |
| 6495866 | Semiconductor device for preventing an increased clamp voltage in an ignition circuit | — | 2002-12-17 |
| 6407413 | Semiconductor device with guard ring and Zener diode layer thereover | — | 2002-06-18 |
| 6153926 | Semiconductor device | — | 2000-11-28 |
| 5831338 | Power MOSFET and method of preparing the same | — | 1998-11-03 |
| 5690085 | Control circuit for ignition coil | — | 1997-11-25 |
| 5661342 | Semiconductor device with heat sink including positioning pins | — | 1997-08-26 |
| 5659249 | Semiconductor magnetic-to-electric converter with hall device having improved temperature characteristics | — | 1997-08-19 |
| 5652520 | Internal combustion engine misfire circuit using ion current sensing | Yukio Yasuda | 1997-07-29 |
| 5548220 | Apparatus for detecting misfire in internal combustion engine | Yukio Yasuda | 1996-08-20 |