Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12104475 | Hydrocarbon recovery method and hydrocarbon recovery system | Koji Yamamoto, Taku Oshima, Jun Yoneda | 2024-10-01 |
| 10914151 | Hydrocarbon recovery method and hydrocarbon recovery system | Koji Yamamoto, Yurika Takahashi | 2021-02-09 |
| 6878670 | Heat-sensitive recording material | Shigetoshi Seki | 2005-04-12 |