Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5365909 | Ignitor for an internal combustion engine | Nobuyuki Sawazaki, Mitsuru Koiwa | 1994-11-22 |
| 5359982 | Ignitor for an internal combustion engine | — | 1994-11-01 |
| 5299543 | Ignition device for an internal combustion engine | Mitsuru Koiwa | 1994-04-05 |
| 5296999 | Igniter assembly | — | 1994-03-22 |
| 5288667 | Method of manufacturing a molded semiconductor package having a lead frame and an connecting coupler | Mitsuru Koiwa | 1994-02-22 |
| 5199406 | Igniter for an internal combustion engine | Mitsuru Koiwa | 1993-04-06 |
| 5199407 | Current limiter in an ignition apparatus for an internal combustion engine | Nobuyuki Sawazaki, Mitsuru Koiwa | 1993-04-06 |
| 5172302 | Ignition coil unit for an internal combustion engine | Mitsuru Koiwa, Nobuyuki Sawazaki | 1992-12-15 |
| 5146907 | Ignition apparatus having a current limiting function for an internal combustion engine | Nobuyuki Sawazaki, Mitsuru Koiwa | 1992-09-15 |
| 5144935 | Ignition coil unit for an internal combustion engine | Mitsuru Koiwa | 1992-09-08 |
| 5131377 | Ignition device for an internal combustion engine provided with an optoisolator | Mitsuru Koiwa | 1992-07-21 |
| 5113840 | Igniter for an engine | Mitsuru Koiwa | 1992-05-19 |
| 4893085 | Ignition monitoring circuit for an ignition system of an internal combustion engine including an erroneous pulse eliminating circuit means | Kiyoshi Ookawa | 1990-01-09 |