Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5476539 | Gas purifying apparatus | Manabu Higashi, Kanichi Fujii | 1995-12-19 |
| 5084078 | Exhaust gas purifier unit | Kanichi Fujii | 1992-01-28 |
| 5061462 | Apparatus for producing a streamer corona | — | 1991-10-29 |
| 4587807 | Apparatus for totally recycling engine exhaust gas | — | 1986-05-13 |
| 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 |