Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12247700 | Hydrogen filling method | Osamu Sawai, Chiaki Kataoka, Koji Sugiura | 2025-03-11 |
| 12173850 | Fluid tank | Osamu Sawai, Koji Sugiura, Chiaki Kataoka | 2024-12-24 |
| 11634026 | Transport vehicle | Toshiyuki Kondo, Yukihide YOKOYAMA | 2023-04-25 |
| 11473732 | Pressure vessel | Osamu Sawai | 2022-10-18 |
| 11447005 | High-pressure container unit | Osamu Sawai | 2022-09-20 |
| 10295395 | Fuel tank | — | 2019-05-21 |