Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6823662 | Exhaust gas purifying system | Shinji Yamamoto, Hitoshi Onodera, Yasunari Hanaki, Katsuo Suga, Hiroshi Morita +2 more | 2004-11-30 |
| 6276132 | Exhaust gas purifying system | Hitoshi Onodera, Katsuo Suga | 2001-08-21 |
| 5804148 | Engine exhaust purifier | Yasuyuki Murofushi | 1998-09-08 |
| 5681788 | Catalysts for the purification of exhaust gas | Hiroshi Akama, Maki Kamikubo | 1997-10-28 |
| 5427989 | Catalysts for the purification of exhaust gas | Naoki Kachi | 1995-06-27 |
| 5292696 | Hydrocarbon adsorbing body | Tetsuo Ito | 1994-03-08 |
| 4833373 | System for shaking water off windshield | Kazuhiro Doi, Bunichiro Fujii, Naoki Honda, Hirofumi Tsuchida | 1989-05-23 |