Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6375808 | Process for producing difluoromethane | Takehide Tsuda, Takashi Shibanuma | 2002-04-23 |
| 6049016 | Process for producing pentafluoroethane and tetrafluorochloroethane | Toshikazu Yoshimura, Yukio Homoto, Takehide Tsuda, Takashi Shibanuma | 2000-04-11 |
| 6011185 | Process for producing pentafluoroethane and tetrafluorochloroethane | Toshikazu Yoshimura, Yukio Homoto, Takehide Tsuda, Takashi Shibanuma | 2000-01-04 |
| 5744659 | Process for the preparation of difluoromethane | Takehide Tsuda, Takashi Shibanuma | 1998-04-28 |
| 5710353 | Process for fluorinating halogenated hydrocarbon | Takashi Shibanuma, Toshikazu Yoshimura, Hiroshi Momota | 1998-01-20 |