Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6410808 | Method for producing a fluoroalcohol | Yutaka Furukawa, Nobuyuki Kasahara, Shin Tatematsu | 2002-06-25 |
| 6315822 | Phosphate type water and oil repellent composition | Minako Shindo | 2001-11-13 |
| 5929292 | Distillation column type production method | Toru Shimoyama, Toru Ueno, Seisaku Kumai | 1999-07-27 |
| 5914422 | Method for producing fluorine-containing silicone compound | Yutaka Furukawa, Mami Kotera, Seisaku Kumai, Toshihiko Toma | 1999-06-22 |
| 5763709 | Method for producing a hydrofluorocarbon | Ryuji Seki, Seisaku Kumai | 1998-06-09 |
| 5728903 | Method for producing flourine-containing silicone compound | Yutaka Furukawa, Mami Kotera, Seisaku Kumai, Toshihiko Toma | 1998-03-17 |
| 5710317 | Preparation of difluoroacetic acid fluoride and difluoroacetic acid esters | Seisaku Kumai | 1998-01-20 |
| 5663399 | Method for producing fluorine-containing silicone compound | Yutaka Furukawa, Mami Kotera, Seisaku Kumai, Toshihiko Toma | 1997-09-02 |
| 5648325 | Mixed solvent composition with 1-H-perfluorohexane, methanol or ethanol, and optionally a hydrocarbon | Kenroh Kitamura, Michino Ikehata, Masaaki Tsuzaki | 1997-07-15 |
| 5648568 | Method for producing a hydrofluorocarbon | Ryuji Seki, Seisaku Kumai | 1997-07-15 |
| 5618986 | Method for producing a hydrofluorocarbon | Ryuji Seki, Seisaku Kumai | 1997-04-08 |
| 5557017 | Method for producing a hydrofluorocarbon | Ryuji Seki, Seisaku Kumai | 1996-09-17 |
| 5268411 | Fluorine-containing polymer composition | Shunsuke Yokotsuka, Isamu Kaneko | 1993-12-07 |
| 4910276 | Cyclic polymerization | Masaru Nakamura, Isamu Kaneko, Gen Kojima, Masashi Matsuo, Shunichi Samejima +1 more | 1990-03-20 |
| 4897457 | Novel fluorine-containing cyclic polymer | Masaru Nakamura, Isamu Kaneko, Gen Kojima, Masashi Matsuo, Shunichi Samejima +1 more | 1990-01-30 |
| 4859754 | Water and oil repellant having desoiling properties | Takashige Maekawa, Tomoko Sakaguchi | 1989-08-22 |