Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4750991 | Method for hydrogenating a solvent-refined coal | Yoichi Kageyama, Jun Imai, Yukio Nakako | 1988-06-14 |
| 4737266 | Method for hydrogenating a solvent-refined coal | Yoichi Kageyama, Jun Imai, Yukio Nakako | 1988-04-12 |
| 4322314 | Process for separating cobalt component from hydroesterification reaction mixture | Takeru Onoda, Keisuke Wada, Hideki Yamanouchi, Kenji Karube | 1982-03-30 |