Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7993506 | Gas sensor | Yoshihiro Nakano, Shinichi Nakagawa, Takio Kojima | 2011-08-09 |
| 7189363 | Gas detector | Norimasa Osawa, Kazuto HIRAI | 2007-03-13 |
| 5119010 | Power supply device | Akihiro Shirata, Toshifumi Koshizawa, Yoshinobu Tsuchiya | 1992-06-02 |
| 5050545 | Engine preheating system | Akihiro Shirata, Toshifumi Koshizawa, Ken Kurabayashi | 1991-09-24 |
| 5041776 | Motor vehicle power supply device | Akihiro Shirata, Toshifumi Koshizawa, Yoshinobu Tsuchiya | 1991-08-20 |