Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5636515 | Sealing structure in exhaust system of internal combustion engine | Seiji Matsumoto, Junichi Nakade | 1997-06-10 |
| 4810349 | Oxygen concentration sensor with an improved electrical connection for the transmission of different operating voltages | — | 1989-03-07 |
| 4559776 | Catalytic converter mounting structure for engines | Sakuji Arai, Katsuaki Sato, Susumu Kochi | 1985-12-24 |