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Patent applications and USPTO patent grants for Kawahara; Kengo.The latest application filed is for "ethylene-tetrafluoroethylene copolymer film and method for producing same".
Patent | Date |
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Ethylene-tetrafluoroethylene copolymer film and method for producing same Grant 10,940,629 - Kasai , et al. March 9, 2 | 2021-03-09 |
Ethylene-tetrafluoroethylene Copolymer Film And Method For Producing Same App 20190085107 - KASAI; Wataru ;   et al. | 2019-03-21 |
Perfluoropolyether derivative Grant 7,388,114 - Shirakawa , et al. June 17, 2 | 2008-06-17 |
Perfluoropolyether Derivative App 20070203366 - SHIRAKAWA; Daisuke ;   et al. | 2007-08-30 |
Perfluoropolyether derivative Grant 7,230,140 - Shirakawa , et al. June 12, 2 | 2007-06-12 |
Perfluoropolyether derivative App 20050197408 - Shirakawa, Daisuke ;   et al. | 2005-09-08 |
Method for producing a fluorinated ester compound by means of gas chromatography App 20030203501 - Kawahara, Kengo ;   et al. | 2003-10-30 |
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