Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825014 | Process for preparing chlorotrifluoromethylbenzene | Yohnosuke Ohsaka | 1989-04-25 |
| 4264530 | Process for preparing high purity tetrafluoromethane | Yohnosuki Ohsaka | 1981-04-28 |