Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4456568 | Carburetor choke valve opening device | Hidemi Oonaka | 1984-06-26 |
| 4224909 | Exhaust gas recirculation system for an internal combustion engine | Noboru Toyama | 1980-09-30 |