Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4668649 | Modified zeolite | Shinichi Yoshida, Hidehiro Higashi, Takemithu Yano | 1987-05-26 |
| 4554263 | Catalysts for hydrotreating heavy oils | Takemithu Yano | 1985-11-19 |
| 4500645 | Hydrocracking catalyst composition and method of making same | Hidehiro Higashi, Takashi Inoue, Hiroyuki Oba | 1985-02-19 |