Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10309285 | Exhaust gas control system for internal combustion engine | Hiromasa Nishioka, Kiyoshi Fujiwara, Yoshio Yamashita, Kouta Tanaka | 2019-06-04 |
| 10302000 | Exhaust gas control system for internal combustion engine | Hiromasa Nishioka, Kiyoshi Fujiwara, Yoshio Yamashita, Kouta Tanaka | 2019-05-28 |
| 10294838 | Exhaust purification filter | Kazuhiro Itoh, Hiromasa Nishioka, Yoshihisa Tsukamoto, Hiroshi Otsuki, Ryota Koutake | 2019-05-21 |