Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7157405 | Device for clarifying exhaust gas from internal combustion engine | Norihiko Suzuki, Hiroshi Oono, Shinichi Kikuchi, Masahiro Sakanushi, Ryoko Yamada +1 more | 2007-01-02 |
| 6711891 | Apparatus for controlling air-fuel ratio of internal combustion engine | Toru Kitamura, Mikio Hara | 2004-03-30 |
| 6705077 | Exhaust gas recirculation control system and method and engine control unit for internal combustion engine | Toru Kitamura | 2004-03-16 |