Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7767164 | Catalytic converter apparatus for purifying exhaust gas | Hirosuke Ohkubo, Takashi Iwamoto, Takeshi Narishige | 2010-08-03 |
| 7157405 | Device for clarifying exhaust gas from internal combustion engine | Norihiko Suzuki, Hideki Uedahira, Hiroshi Oono, Shinichi Kikuchi, Masahiro Sakanushi +1 more | 2007-01-02 |
| 6850165 | Catalyst deterioration detecting system for an automobile | Masahiro Sakanushi, Hiroshi Oono, Hideki Uedahra | 2005-02-01 |
| 5966930 | Catalyst deterioration-determining system for internal combustion engines | Gaku Hatano, Hideo Moriwaki, Sachito Fujimoto, Hisato Shimizu, Yuji Fujiki | 1999-10-19 |
| 5690076 | Evaporative fuel-processing system for internal combustion engines | Akira Hashimoto, Hideo Moriwaki, Sachito Fujimoto, Satoshi Kiso | 1997-11-25 |
| 5678523 | Evaporative fuel-processing system for internal combustion engines | Akira Hashimoto, Hideo Moriwaki, Sachito Fujimoto, Satoshi Kiso | 1997-10-21 |