Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7138553 | Method for purifying tetrachloroethylene and process for producing hydrofluorocarbons | Hiromoto Ohno, Toshio Ohi | 2006-11-21 |
| 5345015 | Process for producing 1,1,2-tetrafluoroethane | Hiromoto Ohno, Tatsuharu Arai, Kazuo Muramaki, Toshio Ohi | 1994-09-06 |