Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10030618 | Exhaust gas recirculation valve, thawing system of exhaust gas recirculation valve, and engine | Akihiro Miki, Masashi Karasawa | 2018-07-24 |
| 8113184 | EGR valve device | Tadashi Iijima, Shuuji Hori, Daisuke Kozuka, Taisei Okubo | 2012-02-14 |
| 7455056 | Valve device | Taisei Okubo, Kouichi Okaya, Tatsuya Iwazaki, Hiroshi Tsuda | 2008-11-25 |