Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6926750 | Filter element | Seiichi Tanaka, Akira Terasaki, Hideyo Uehara, Hiroto Koura, Tsumoru Okada +2 more | 2005-08-09 |
| 6591804 | Variable intake apparatus for a multi-cylinder internal combustion engine | Seiji Matsumoto, Yoshiyuki Umino | 2003-07-15 |
| 6382162 | Variable intake apparatus for in-line four-cylinder internal combustion engine | Yoshiyuki Umino | 2002-05-07 |