Inventor
MURAYAMA NAOHIRO
JP42 patents
Patents
42 patentsUS4756973AJul 12, 1988
Photochromic lens
KUREHA CHEMICAL IND CO LTD251 citations98
US4784915ANov 15, 1988
Polymer piezoelectric film
KUREHA CHEMICAL IND CO LTD31 citations93
US4314032AFeb 2, 1982
Crosslinked polyvinyl alcohol gel
KUREHA CHEMICAL IND CO LTD40 citations93
US4650833AMar 17, 1987
Thin transparent polytetrafluoroethylene film and production process thereof
KUREHA CHEMICAL IND CO LTD28 citations92
US4615943AOct 7, 1986
Vinylidene fluoride copolymer film
KUREHA CHEMICAL IND CO LTD34 citations92
US3931446AJan 6, 1976
Process for producing polymeric piezoelectric elements and the article formed thereby
KUREHA CHEMICAL IND CO LTD49 citations92
US4497710AFeb 5, 1985
Substrate for liquid chromatography and process for isolating and purifying fat-soluble substance by the liquid chromatography on the substrate
KUREHA CHEMICAL IND CO LTD32 citations91
US4428873AJan 31, 1984
Electrooptical element
KUREHA CHEMICAL IND CO LTD29 citations91
US4759977AJul 26, 1988
Flexible carbon material
KUREHA CHEMICAL IND CO LTD27 citations89
US4644025AFeb 17, 1987
Lens materials of high refractive indexes
KUREHA CHEMICAL IND CO LTD19 citations82
US4406967ASep 27, 1983
Ultrasonic probe
KUREHA CHEMICAL IND CO LTD26 citations82
US4294677AOct 13, 1981
Method for electrodepositing a protein onto an ion-exchange membrane
KUREHA CHEMICAL IND CO LTD24 citations82
US4204135AMay 20, 1980
Piezoelectric elements of organic high molecular weight materials
KUREHA CHEMICAL IND CO LTD19 citations82
US3969927AJul 20, 1976
Vibration measuring and the apparatus therefor
KUREHA CHEMICAL IND CO LTD25 citations82
US4413090ANov 1, 1983
Cyanoethylated olefin-vinyl alcohol copolymer and dielectric material and adhesive comprising the same
KUREHA CHEMICAL IND CO LTD18 citations81
US4258260AMar 24, 1981
Pyroelectric infrared detector
KUREHA CHEMICAL IND CO LTD24 citations80
US4368525AJan 11, 1983
Vibration detector
KUREHA CHEMICAL IND CO LTD22 citations78
US4777083AOct 11, 1988
Carbon article comprising pieces of carbonaceous material bonded with one another and process for producing the same
KUREHA CHEMICAL IND CO LTD16 citations74
US4775590AOct 4, 1988
Optical fiber
KUREHA CHEMICAL IND CO LTD8 citations74
US4731288AMar 15, 1988
Vinylidene fluoride resin film and metallized film thereof
KUREHA CHEMICAL IND CO LTD7 citations74
US4687803AAug 18, 1987
Dielectric films comprising stretched films of vinylidene fluoride and porcelain particles
KUREHA CHEMICAL IND CO LTD13 citations74
US4592949AJun 3, 1986
Vinylidene fluoride resin split yarn, process for production thereof and filter comprising the same
KUREHA CHEMICAL IND CO LTD8 citations74
US4546158AOct 8, 1985
Vinylidene fluoride resin fiber and process for producing the same
KUREHA CHEMICAL IND CO LTD15 citations74
US4413095ANov 1, 1983
Vinylidene fluoride resin-based shaped product
KUREHA CHEMICAL IND CO LTD10 citations74
US4076604AFeb 28, 1978
Process for the electrolytic treatment of alkali halide
KUREHA CHEMICAL IND CO LTD7 citations74
US4021509AMay 3, 1977
Production of impact-resistant, thermoplastic resin compositions
KUREHA CHEMICAL IND CO LTD19 citations74
US3956424AMay 11, 1976
Photo-degradable resin composition
KUREHA CHEMICAL IND CO LTD11 citations74
US4704006ANov 3, 1987
Halogen-containing resin lens material
KUREHA CHEMICAL IND CO LTD13 citations73
US4632873ADec 30, 1986
Ultrafine fiber of an ethylene tetrafluoride copolymer and a process for producing it and a porous membrane thereof
KUREHA CHEMICAL IND CO LTD9 citations73
US4578445AMar 25, 1986
Halogen-containing lens material
KUREHA CHEMICAL IND CO LTD18 citations73
US4443366AApr 17, 1984
Gel chromatography material
KUREHA CHEMICAL IND CO LTD15 citations73
US4129608ADec 12, 1978
Multi-component graft copolymer and thermoplastic resin composition thereof
KUREHA CHEMICAL IND CO LTD14 citations73
US4571390AFeb 18, 1986
Substrate capable of adsorbing protein
KUREHA CHEMICAL IND CO LTD15 citations72
US4656234AApr 7, 1987
Dielectric film for capacitor and process for producing same
KUREHA CHEMICAL IND CO LTD11 citations71
US4264422AApr 28, 1981
Method for producing shaped articles by electrodepositional shaping from fibrous substance having electrophoretic property and apparatus for same
KUREHA CHEMICAL IND CO LTD13 citations70
US4246091AJan 20, 1981
Process for the electrolytic treatment of alkali halide
KUREHA CHEMICAL IND CO LTD11 citations70
US4341837AJul 27, 1982
Laminar thermoplastic resin structure
KUREHA CHEMICAL IND CO LTD11 citations69
US4137475AJan 30, 1979
Thin film, thermoplastic piezoelectric switches
KUREHA CHEMICAL IND CO LTD6 citations63
US3984903AOct 12, 1976
Method of spanning across a frame a high-molecular-weight piezoelectric element
KUREHA CHEMICAL IND CO LTD4 citations63
US4212712AJul 15, 1980
Process for the electrolytic treatment of alkali metal halide solution using ion exchange membranes
KUREHA CHEMICAL IND CO LTD2 citations62
US4111780ASep 5, 1978
Apparatus and process for the electrolytic treatment of alkali metal halide solution with ion exchange membranes
KUREHA CHEMICAL IND CO LTD6 citations62
US4504631AMar 12, 1985
Photoresist material
KUREHA CHEMICAL IND CO LTD3 citations58