Issued Patents All Time
Showing 26–50 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7094934 | Production process of hydrofluorocarbons | Noriaki Shibata, Tatsuo Nakada | 2006-08-22 |
| 6903236 | Process for producing fluorocarboxylic anhydride | Akinari Sugiyama | 2005-06-07 |
| 6863780 | Process of separating/purifying pentafluoropropane | Tatsuo Nakada, Noriaki Shibata | 2005-03-08 |
| 6846963 | Process for producing 1,1,1,3,3-pentafluoropropane | Tatsuo Nakada, Seiji Takubo, Toshikazu Yoshimura | 2005-01-25 |
| 6538165 | Process for producing difluoromethane and difluorochloromethane | Takehide Tsuda | 2003-03-25 |
| 6527917 | Process for preparing pentafluoroethane | Satoru Kohno | 2003-03-04 |
| 6521802 | Process for preparing fluorine-containing halogenated hydrocarbon compound | Seiji Takubo, Noriaki Shibata, Tatsuo Nakada | 2003-02-18 |
| 6503865 | Method of preparing pentafluoroethane, catalysts for fluorination and a preparation method thereof | Takashi Kanemura | 2003-01-07 |
| 6472573 | Process for producing 1,1,1,3,3-pentafluoropropane | Akinori Yamamoto, Noriaki Shibata, Tatsuo Nakada | 2002-10-29 |
| 6455745 | Manufacturing method for fluorine-containing ethane | Kazuhiro Takahashi, Satoru Kono | 2002-09-24 |
| 6433233 | Process for the preparation of pentafluoroethane, fluorination catalysts and process for the preparation thereof | Takashi Kanemura | 2002-08-13 |
| 6407296 | Process for producing difluoromethane | Yasufu Yamada, Takehide Tsuda | 2002-06-18 |
| 6403847 | Process for producing 1,1,1,3,3-pentafluoro-propane and/or 1-chloro-3,3,3-trifluoropropene | Tatsuo Nakada, Noriaki Shibata | 2002-06-11 |
| 6392106 | Process for producing 1,1,1,2,2-pentafluoroethane | Satoru Kono, Toshikazu Yoshimura | 2002-05-21 |
| 6375808 | Process for producing difluoromethane | Takehide Tsuda, Yasufu Yamada | 2002-04-23 |
| 6346172 | Process for producing difluoromethane | Takehide Tsuda | 2002-02-12 |
| 6337299 | Fluorination catalyst and process for fluorinating halogenated hydrocarbon | Yoshio Iwai, Satoshi Koyama | 2002-01-08 |
| 6329560 | Method for producing hydrogen-containing fluorinated hydrocarbon | Tatsuo Nakada, Noriaki Shibata | 2001-12-11 |
| 6328907 | Azeotrope comprising pentafluoropropane and hydrogen fluoride and method for separating and purifying pentafluoropropane | Tatsuo Nakada, Noriaki Shibata | 2001-12-11 |
| 6316682 | Process for preparing 1,1,1,3,3-pentafluoropropane | Tatsuo Nakada, Yamamoto Akinori | 2001-11-13 |
| 6300531 | Fluorination catalyst and process for fluorinating halogenated hydrocarbon | Yoshio Iwai, Satoshi Koyama | 2001-10-09 |
| 6268541 | Process for the preparation of 1,1,1,2,2-pentafluoroethane | Satoru Kono, Takashi Kanemura, Toshikazu Yoshimura, Kazuhiro Takahashi | 2001-07-31 |
| 6237348 | Process for transferring liquefied gases between containers | Satoshi Ide, Masayoshi Imoto | 2001-05-29 |
| 6191328 | Method for 1, 1, 1, 3, 3-pentafluoropropane | Keisuke Kitano, Tatsuo Nakada | 2001-02-20 |
| 6180840 | Method of producing 1,1,1,2,2-pentafluoroethane a method of producing 2,-2,-diohloro-1,1,1-trifluorethane and a method of purifying 1,1,1,2 pentafluoroethane | Yukio Homoto, Satoshi Komatsu, Toshikazu Yoshimura | 2001-01-30 |