Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4925554 | Hydrotreating process for heavy hydrocarbon oils | Goro Sato, Hidehiro Higashi, Katsuhiro Shirono | 1990-05-15 |
| 4789654 | Hydrotreating catalysts | Tetsuji Hirano, Goro Sato, Hidehiro Higashi, Teruo Migita | 1988-12-06 |