Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669367 | Ignition apparatus for internal combustion engine | Shigemi Murata, Mitsuru Koiwa | 1997-09-23 |
| 5662091 | Ignition apparatus for internal combustion engine | Mitsuru Koiwa, Shigemi Murata | 1997-09-02 |