Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345572 | Engine exhaust gas reflux apparatus | Sadaakira Araki, Soichi Kawazoe | 1982-08-24 |
| 4326862 | Air cleaner for engines, having back flow gas shut-off function | — | 1982-04-27 |
| 4309199 | Air cleaner for engines | — | 1982-01-05 |