Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7971571 | Operation control method on the basis of ion current in internal combustion engine | Morito Asano, Yoshiyuki Fukumura, Mitsuhiro Izumi, Kouichi Kitaura, Mamoru Yoshioka | 2011-07-05 |
| 4870942 | Diagnosis device for exhaust gas recycling device of internal combustion engine | Norio Shibata, Hideaki Mizuno, Nobuki Uchitani, Tatsuyoshi Kamohara, Kenichi Harada +3 more | 1989-10-03 |