Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5629853 | Fuel injection control system for internal combustion engines | Ken Ogawa | 1997-05-13 |
| 5596956 | Electromagnetically driven valve control system for internal combustion engines | Ken Ogawa, Hiroshi Sono | 1997-01-28 |