Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |