Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7963105 | Exhaust purification system for internal combustion engine | Yoshio Tagawa, Keisuke Tashiro, Seiji Kikuchi, Takehisa Fujita, Kazuhito Kawashima +2 more | 2011-06-21 |
| 7712303 | Degradation estimating apparatus for unburned component adsorption catalyst | Hiroshi Tanada, Yasuyuki Hatsuda, Takehisa Fujita, Takaharu Hashimoto, Keisuke Tashiro +3 more | 2010-05-11 |