Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9840954 | Exhaust purification device for internal combustion engine | Hiromasa Nishioka, Kazuhiro Ito, Yoshihisa Tsukamoto, Hiroshi Otsuki, Daichi Imai +1 more | 2017-12-12 |
| 9598997 | Exhaust gas purification apparatus of internal combustion engine | Kazuhiro Itoh, Hiromasa Nishioka, Yoshihisa Tsukamoto, Hiroshi Ohtsuki, Hiroki Murata | 2017-03-21 |