Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9657673 | Exhaust purification system for internal combustion engine | Yuji Yasui, Hans Hardam, Toshiharu Takahashi, Masatoshi Yamada, Hiroshi Uike | 2017-05-23 |
| 9599001 | Exhaust purification system for internal combustion engine | Yuji Yasui, Eiji Hashimoto, Hisao Haga, Masafumi Sakota | 2017-03-21 |