Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7557227 | Process for producing hexafluoropropylene oxide | Hirokazu Takagi, Kazuya Oharu | 2009-07-07 |
| 6534683 | Process for producing fluorinated alkylamine compound | Hirokazu Takagi | 2003-03-18 |
| 6414203 | Method of treating 1,1,1,3,3-pentafluoropropane | Hidekazu Okamoto | 2002-07-02 |
| 6191327 | Method for producing dichloropentafluoropropanes | Shinsuke Morikawa, Hidekazu Okamoto, Toshihiro Tanuma | 2001-02-20 |
| 6124511 | Method for producing a hydrogen-containing fluorinated alkane | Hidekazu Okamoto | 2000-09-26 |
| 5895793 | Fluorine-containing hydrocarbon composition | Kenrou Kitamura, Masato Fukushima | 1999-04-20 |
| 5789455 | Fluorine-containing hydrocarbon composition | Kenrou Kitamura, Masato Fukushima | 1998-08-04 |
| 5663464 | Method for producing1,1,1,3,3-pentafluoropropane | Hidekazu Okamoto | 1997-09-02 |
| 5663543 | Method for producing a polyfluoropropionyl halide | Shinsuke Morikawa, Hidekazu Okamoto, Toru Shimoyama, Naoko Wada, Yoshio Sato +1 more | 1997-09-02 |
| 5608126 | Process for preparing 1,1,1,3,3-pentafluoropropane | Shinsuke Morikawa, Hidekazu Okamoto, Shin Tatematsu | 1997-03-04 |
| 5564799 | Holding apparatus for a solenoid valve controlling brake pressure | Tsuyoshi Fujimoto, Teruhisa Kohno | 1996-10-15 |
| 5545777 | Process for producing a hydrogen-containing 2,2-difluoropropane | Shinsuke Morikawa, Shunichi Samejima, Masaru Yoshitake, Hidekazu Okamoto, Toshihiro Tanuma | 1996-08-13 |
| 5434321 | Method for producing dichloropentafluoropropanes | Hidekazu Okamoto, Toshihiro Tanuma, Koichi Yanase, Toru Kawasaki, Ryutaro Takei | 1995-07-18 |
| 5264639 | Process for producing a 2,2-difluoropropane | Shinsuke Morikawa, Shunichi Samejima, Hidekazu Okamoto, Shin Tatematsu, Toshihiro Tanuma +1 more | 1993-11-23 |
| 5227547 | Method for producing dichloropentafluoropropanes | Hidekazu Okamoto, Toshihiro Tanuma, Koichi Yanase, Toru Kawasaki, Ryutaro Takei | 1993-07-13 |
| 5220084 | Method for producing dichloropentafluoropropanes | Hidekazu Okamoto, Toshihiro Tanuma, Koichi Yanase, Toru Kawasaki, Ryutaro Takei | 1993-06-15 |
| 4687707 | Low reflectance transparent material having antisoiling properties | Masashi Matsuo, Nobuyuki Yamagishi, Makoto Noshiro, Yukio Jitsugiri | 1987-08-18 |