Issued Patents All Time
Showing 51–53 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4790286 | EGR control device for internal combustion engine | Minoru Nishida, Noriyuki Inoue, Yoshiaki Asayama | 1988-12-13 |
| 4770758 | Air/fuel ratio detector | Seiya Kominami | 1988-09-13 |
| 4547147 | Combustion device for a car | Shoichi Washino | 1985-10-15 |