Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4950633 | Catalyst for hydrotreating coal liquefaction and circulation solvent | Toshio Yamaguchi, Kikoo Uekusa, Naoto Kinbara, Eiji Funatsu, Yukuaki Mitarai | 1990-08-21 |
| 4444899 | Process for the production of low density activated alumina formed product | Koichi Yamada, Kunio Nakazato, Seiichi Hamano | 1984-04-24 |