Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7390917 | Method for producing mixture of fluoroalkyl iodide telomers and method for producing mixture of fluorine-containing (meth)acrylate esters | Kunitada Tanaka | 2008-06-24 |
| 7317071 | Process for producing fluoromonomer | Takuya Ichida | 2008-01-08 |
| 7038095 | Method for producing fluoroalkyl iodide telomer mixture and method for producing mixture fluorine-containing (meth) acrylate esters | Kunitada Tanaka | 2006-05-02 |
| 6849163 | Method for producing tetrafluoroethylene | Shigeyuki Yoshii | 2005-02-01 |
| 6841140 | Method and apparatus for producing hydrogen fluoride | Hironobu Nishimura, Toshinobu Takeuchi, Norio Ema | 2005-01-11 |
| 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 | Takashi Shibanuma, Satoshi Komatsu, Toshikazu Yoshimura | 2001-01-30 |
| 6049016 | Process for producing pentafluoroethane and tetrafluorochloroethane | Toshikazu Yoshimura, Yasufu Yamada, Takehide Tsuda, Takashi Shibanuma | 2000-04-11 |
| 6011185 | Process for producing pentafluoroethane and tetrafluorochloroethane | Toshikazu Yoshimura, Yasufu Yamada, Takehide Tsuda, Takashi Shibanuma | 2000-01-04 |
| 5849963 | Method for producing difluoromethane and 1,1,1,2-tetrafluoroethane | Kunitada Tanaka, Takashi Shibanuma, Satoshi Komatsu, Satoshi Koyama | 1998-12-15 |
| 5849160 | Process of separating pentafluoroethane and process of producing pentafluoroethane using the same | Takashi Shibanuma, Masanobu Nishitsuji | 1998-12-15 |
| 5847244 | Method of producing 1,1,1,2,2-pentafluoroethane, a method of producing 2,2-dichloro-1,1,1-trifluoroethane, and a method of purifying 1,1,1,2,2-pentafluoroethane | Takashi Shibanuma, Satoshi Komatsu, Toshikazu Yoshimura | 1998-12-08 |
| 5750809 | Methods of producing 1,1,1,2,2-pentafluoroethane | Takashi Shibanuma, Satoshi Komatsu, Toshikazu Yoshimura | 1998-05-12 |
| 5475166 | Process for preparing 1,1,1,2-tetrafluoroethane | Satoshi Koyama, Naoki Esaka | 1995-12-12 |
| 5395998 | Process for preparing 1,1,1-trifluorochloroethane and 1,1,1,2-tetrafluoroethane | Satoshi Koyama, Naoki Esaka | 1995-03-07 |
| 5334786 | Process for preparing 1,1,1,2-tetrafluoroethane | Satoshi Koyama, Naoki Esaka | 1994-08-02 |
| 5315044 | Process for production of 1,1,1-trifluoro-2,2-dichloroethane | Yasuhisa Furutaka, Tsunetoshi Honda | 1994-05-24 |
| 5264637 | Process for preparing fluoroalcohol | Tutomu Yoshida, Kunitada Tanaka, Yasumichi Chiba, Yasuhisa Furutaka | 1993-11-23 |
| 5171899 | Process for production of 1,1,1-trifluoro-2,2-dichloroethane | Yasuhisa Furutaka, Tsunetoshi Honda | 1992-12-15 |
| 5132473 | Process for production of 1,1,1-trifluoro-2,2-dichloroethane | Yasuhisa Furutaka, Tsunetoshi Honda | 1992-07-21 |