Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9988960 | Exhaust gas control apparatus of internal combustion | Yoshihisa Tsukamoto, Hiromasa Nishioka, Daichi Imai, Hiroshi Ohtsuki, Yasumasa Notake | 2018-06-05 |
| 9889406 | Exhaust gas purification apparatus for internal combustion engine | Hiromasa Nishioka, Yoshihisa Tsukamoto, Hiroshi Ohtsuki, Yasumasa Notake | 2018-02-13 |
| 9884293 | Exhaust gas purification apparatus for internal combustion engine | Hiromasa Nishioka, Yoshihisa Tsukamoto, Hiroshi Ohtsuki, Yasumasa Notake | 2018-02-06 |
| 9879585 | Exhaust purification device for internal combustion engine | Yoshihisa Tsukamoto, Hiromasa Nishioka, Daichi Imai, Hiroshi Otsuki, Yasumasa Notake | 2018-01-30 |