Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4399026 | Process for hydrotreating heavy hydrocarbon oils, catalysts therefor, and a method of preparing such catalysts | Yoshimi Shiroto, Takeo Ono | 1983-08-16 |
| 4367164 | Catalysts for hydrotreating heavy hydrocarbon oils and a method of preparing such catalysts | Yoshimi Shiroto, Takeo Ono | 1983-01-04 |