Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6720464 | Production and use of octafluoropropane | Hiromoto Ohno | 2004-04-13 |
| 6489523 | Process for producing hexafluoroethane and use thereof | Hiromoto Ohno, Kazunari Kaga | 2002-12-03 |
| 6274782 | Method for purifying hexafluoroethane | Hiromoto Ohno, Tetsuo Nakajo, Tatsuharu Arai | 2001-08-14 |
| 6162957 | Catalytic decomposition of perfluoro-compound | Tetsuo Nakajo, Masatoshi Hotta, Hiromoto Ohno, Yusaku Takita | 2000-12-19 |
| 6023007 | Catalytic decomposition of perfluoro-compound | Tetsuo Nakajo, Hiromoto Ohno, Yusaku Takita | 2000-02-08 |
| 6004377 | System for collecting and refining SF.sub.6 gas and method therefor | Shin Tamata, Toru Tsubaki, Akio Nadamura, Koji Ito, Hiromoto Ohno | 1999-12-21 |
| 5892134 | Method for producing perfluorocarbon | Hiromoto Ohno, Tetsuo Nakajo, Tatsuharu Arai | 1999-04-06 |
| 5714648 | Process for producing tetrafluoromethane | Hiromoto Ohno, Tetsuo Nakajo, Tatsuharu Arai | 1998-02-03 |
| 5710351 | Process for producing hexafluoroethane | Hiromoto Ohno, Tetsuo Nakajo, Tatsuharu Arai | 1998-01-20 |
| 5675046 | Process for producing perfluorocarbon | Hiromoto Ohno, Tetsuo Nakajo, Tatsuharu Arai | 1997-10-07 |
| 5444171 | Method for purification of 1,1,1,2-tetrafluoroethane | Hiromoto Ohno, Hidetoshi Nakayama, Kazuo Muramaki | 1995-08-22 |
| 5345015 | Process for producing 1,1,2-tetrafluoroethane | Hiromoto Ohno, Makoto Miyamura, Tatsuharu Arai, Kazuo Muramaki | 1994-09-06 |
| 5276223 | Process for producing 1,1,1,2-tetrafluoroethane | Hiromoto Ohno, Tatsuharu Arai, Kazuo Muramaki, Hidetoshi Nakayama, Yoshitaka Shohji | 1994-01-04 |
| 4681170 | Rock drills for drilling continuously arrayed bores | — | 1987-07-21 |
| 4513570 | Manual reset type bimetal thermostat | Yasuhisa Yoshida | 1985-04-30 |