Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872439 | Device for preventing outflow of a fuel vapor from a fuel tank | Hidefumi Sonoda, Mitsuo Kawase, Kazuhiro Yoneshige, Akira Takahashi, Hirokazu Komiya +1 more | 1989-10-10 |
| 4809865 | Fuel tank for use in a vehicle | Hidefumi Sonoda, Akira Hiraku, Isao Katoh, Kouichi Itoh, Morio Minezawa | 1989-03-07 |