Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12115923 | Earth structure for filler pipe | Takahiko Ono, Hiroshi Hanahara, Tadashi Koyama, Takatoshi Nagata | 2024-10-15 |
| 11906077 | Filler pipe and method for manufacturing filler pipe | Hiroshi Hanahara, Tadashi Koyama | 2024-02-20 |
| 10605386 | Method for attaching filler pipe and filler pipe attachment structure | Shunsuke Tsukahara | 2020-03-31 |
| 10597283 | Erroneous refueling prevention device | Daesung Kim | 2020-03-24 |
| 10549630 | Erroneous oil feed prevention device | Daesung Kim | 2020-02-04 |
| 9821652 | Structure for opening and closing fuel filler opening | — | 2017-11-21 |