Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6422006 | Exhaust gas purifying apparatus for internal combustion engine | Kenichi Ohmori, Shusuke Akazaki, Norihito Watanabe | 2002-07-23 |
| 6334304 | Degradation discrimination system of internal combustion engine exhaust gas purification system | Tetsuo Endo, Shiro Takakura, Yuji Yasui | 2002-01-01 |