Issued Patents 1997
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5692482 | Ignition coil for internal combustion engine | Takeshi Shimizu, Koji Waki, Masaaki Taruya, Mitsuru Koiwa, Toshio Maekawa | 1997-12-02 |
| 5685282 | Ignition device and electrical connector for internal combustion engine | Mitsuru Koiwa | 1997-11-11 |
| 5682865 | Electrical connector and ignition apparatus for an internal combustion engine | Toshio Maekawa, Mitsuru Koiwa | 1997-11-04 |
| 5679012 | Electric connection member, ignition apparatus for internal combustion engine and manufacturing method thereof | — | 1997-10-21 |
| 5669367 | Ignition apparatus for internal combustion engine | Nobuyuki Sawazaki, Mitsuru Koiwa | 1997-09-23 |
| 5662091 | Ignition apparatus for internal combustion engine | Nobuyuki Sawazaki, Mitsuru Koiwa | 1997-09-02 |
| 5628298 | Waterproof spark plug hole cap of internal combustion engine | — | 1997-05-13 |
| 5622157 | Ignition apparatus for internal combustion engine and manufacturing method thereof | — | 1997-04-22 |