Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7908843 | Exhaust gas purification device | Reiko Doumeki, Yoshinaka Takeda, Satoshi Hiranuma, Shinichi Saitou, Yasuko Suzuki | 2011-03-22 |
| 7497078 | Exhaust emission control device of internal combustion engine | Satoshi Hiranuma, Yoshinori Takahashi, Yoshinaka Takeda, Reiko Doumeki, Shinichi Saito +3 more | 2009-03-03 |
| 6935104 | Engine control system | Toru Kawatani, Naoki Onoda, Hiroshi Jyoutaki, Yoshinori Takahashi, Yoshinaka Takeda +4 more | 2005-08-30 |