Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9840954 | Exhaust purification device for internal combustion engine | Hiromasa Nishioka, Kazuhiro Ito, Yoshihisa Tsukamoto, Hiroshi Otsuki, Yasumasa Notake +1 more | 2017-12-12 |
| 9718026 | Exhaust gas purification filter | Hiroshi Otsuki, Hiromasa Nishioka, Yoshihisa Tsukamoto, Daichi Imai, Kazuhiro Itoh | 2017-08-01 |
| 9689296 | Exhaust purification device for internal combustion engine | Hiromasa Nishioka, Kazuhiro Itoh, Daichi Imai | 2017-06-27 |