Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5469818 | Variable valve timing control device for an engine | Mamoru Yoshioka, Haruyuki Obata, Ken Tanoue, Yoshihiro Iwashita, Toshimi Kashiwagura +2 more | 1995-11-28 |
| 5313925 | Apparatus for detecting malfunction in fuel evaporative prurge system | Takayuki Otsuka, Nobuaki Kayanuma, Kouichi Osawa, Chikao Kunimasa | 1994-05-24 |
| 5230319 | Apparatus for detecting malfunction in evaporated fuel purge system | Takayuki Otsuka, Nobuaki Kayanuma, Kouichi Osawa, Chikao Kunimasa | 1993-07-27 |