Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4442820 | Exhaust recirculation system for internal combustion engines | Toshikazu Ina, Hisasi Kawai, Tokio Kohama, Akira Nishimatsu, Yasuhiko Ishida | 1984-04-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4442820 | Exhaust recirculation system for internal combustion engines | Toshikazu Ina, Hisasi Kawai, Tokio Kohama, Akira Nishimatsu, Yasuhiko Ishida | 1984-04-17 |