Issued Patents 2018
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10138778 | Exhaust purification system of internal combustion engine | Hiromasa Nishioka, Kazuhiro Ito, Yoshihisa Tsukamoto, Hiroshi Otsuki, Yasumasa Notake | 2018-11-27 |
| 10071369 | Method of making a particulate filter carry a catalyst | Hiroshi Otsuki, Hiromasa Nishioka, Kazuhiro Ito, Yoshihisa Tsukamoto, Yasumasa Notake | 2018-09-11 |
| 9988960 | Exhaust gas control apparatus of internal combustion | Yoshihisa Tsukamoto, Kazuhiro Itoh, Hiromasa Nishioka, Hiroshi Ohtsuki, Yasumasa Notake | 2018-06-05 |
| 9988962 | Exhaust emission control system of internal combustion engine | Hiromasa Nishioka, Kiyoshi Fujiwara, Yoshio Yamashita | 2018-06-05 |
| 9879585 | Exhaust purification device for internal combustion engine | Yoshihisa Tsukamoto, Kazuhiro Itoh, Hiromasa Nishioka, Hiroshi Otsuki, Yasumasa Notake | 2018-01-30 |