Patents per Year
Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12163493 | Malfunction diagnosis device for leakage diagnosis device | Keiichirou Ishihara, Tomohiro Itoh, Yasuo Kato | 2024-12-10 |
| 11603809 | Malfunction diagnostic device for leakage diagnostic device | Keiichirou Ishihara, Yasuo Kato | 2023-03-14 |
| 10857873 | Evaporated fuel treatment device | — | 2020-12-08 |
| 10844810 | Leakage detecting device for vaporized fuel | Tomohiro Itoh | 2020-11-24 |
| 10584663 | Evaporative fuel leak check system | Shigeru Hasegawa, Jeffrey Meng | 2020-03-10 |
| 9464600 | Rotational pump and fuel vapor leakage detection device having the same | Yasuo Kato | 2016-10-11 |
| 9309949 | Vibration insulating member | Makoto Kaneko | 2016-04-12 |
| 8707765 | Fuel vapor leak detection device | — | 2014-04-29 |
| 8419396 | Vane pump and evaporative leak check system having the same | Mitsuyuki Kobayashi, Hitoshi Amano | 2013-04-16 |