Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9988960 | Exhaust gas control apparatus of internal combustion | Yoshihisa Tsukamoto, Kazuhiro Itoh, Hiromasa Nishioka, Daichi Imai, Yasumasa Notake | 2018-06-05 |
| 9889406 | Exhaust gas purification apparatus for internal combustion engine | Kazuhiro Itoh, Hiromasa Nishioka, Yoshihisa Tsukamoto, Yasumasa Notake | 2018-02-13 |
| 9884293 | Exhaust gas purification apparatus for internal combustion engine | Kazuhiro Itoh, Hiromasa Nishioka, Yoshihisa Tsukamoto, Yasumasa Notake | 2018-02-06 |