Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7992379 | Exhaust purification device for engine | Hiroaki Fujita, Satoshi Hiranuma, Shinichi Saito, Yoshio Nakayama | 2011-08-09 |
| 7908843 | Exhaust gas purification device | Reiko Doumeki, Yoshinaka Takeda, Satoshi Hiranuma, Ritsuko Shinozaki, Shinichi Saitou | 2011-03-22 |