Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10507723 | Opening-closing apparatus for fuel tank | Hiroyuki Hagano, Kazuya Watanabe, Norihiko Ishihara | 2019-12-17 |
| 10144279 | Closing device for filler port | Hiroyuki Hagano, Kazuya Watanabe, Naoki Mori | 2018-12-04 |
| 9434248 | Fuel tank opening and closing device | Hiroyuki Hagano, Kentaro Enomoto | 2016-09-06 |