Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4627402 | Method and apparatus for controlling air-fuel ratio in internal combustion engine | Kimitaka Saito, Kenzi Iwamoto, Tsuneyuki Egami, Tsutomu Saito | 1986-12-09 |
| 4202806 | Stabilization of chlorine-containing resins | Norio Yoshida | 1980-05-13 |