Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10184430 | Diagnostic device for evaporated fuel processing device | Kazuhisa Watanabe, Hitoshi Oohashi, Toshiaki Inoue | 2019-01-22 |
| 10138847 | Evaporated fuel processing device | Kazuhisa Watanabe, Hitoshi Oohashi | 2018-11-27 |
| 7713337 | Canister device | Kaoru Haishi | 2010-05-11 |