Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5363816 | Valve drive device | Toshihiko Igashira, Yasuyuki Sakakibara, Moriyasu Gotoh, Kazuhide Watanabe | 1994-11-15 |
| 5338431 | Oxygen concentration detecting apparatus | Toshihiko Igashira, Michiyasu Moritsugu, Yoshiki Chujo | 1994-08-16 |