Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4796589 | Air-fuel ratio feedback control method for internal combustion engines | Sachito Fujimoto | 1989-01-10 |
| 4677959 | Air intake side secondary air supply system for an internal combustion engine | Norio Suzuki, Akira Watabe | 1987-07-07 |