Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7524479 | Method for producing vapor grown carbon fiber | Yoshihisa Sakamoto, Ryuji Yamamoto, Toshio Morita | 2009-04-28 |
| 5444171 | Method for purification of 1,1,1,2-tetrafluoroethane | Hiromoto Ohno, Toshio Ohi, Hidetoshi Nakayama | 1995-08-22 |
| 5345015 | Process for producing 1,1,2-tetrafluoroethane | Hiromoto Ohno, Makoto Miyamura, Tatsuharu Arai, Toshio Ohi | 1994-09-06 |
| 5276223 | Process for producing 1,1,1,2-tetrafluoroethane | Hiromoto Ohno, Tatsuharu Arai, Toshio Ohi, Hidetoshi Nakayama, Yoshitaka Shohji | 1994-01-04 |