Inventor
OKA MASAHIKO
37 patents
⚠️ This page may combine multiple inventors who share the name “OKA MASAHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DAIKIN IND LTD
19 patentsUS4501869AFeb 26, 1985
Cross linkable fluorine-containing polymer
DAIKIN IND LTD59 citations96
US5349093ASep 20, 1994
Fluorovinyl ether
DAIKIN IND LTD49 citations95
US4766190AAug 23, 1988
Novel elastomeric fluoropolymer and preparation thereof
DAIKIN IND LTD66 citations95
US4141874AFeb 27, 1979
Fluorine-containing elastomeric copolymers, process for preparing the same and composition containing the same
DAIKIN IND LTD73 citations94
US5401818AMar 28, 1995
Fluorovinyl ether
DAIKIN IND LTD31 citations92
US5001278AMar 19, 1991
Novel fluorovinyl ether and copolymer comprising the same
DAIKIN IND LTD43 citations92
US4696989ASep 29, 1987
Fluorine-containing elastomeric copolymer
DAIKIN IND LTD54 citations92
US4670328AJun 2, 1987
Novel impregnated material of a copolymer of tetrafluoroethylene and perfluoroalkyl vinyl ether
DAIKIN IND LTD23 citations82
US5112973AMay 12, 1992
Fluorine-containing acrylic acid derivative and polymer thereof
DAIKIN IND LTD6 citations74
US4975502ADec 4, 1990
Process for emulsion polymerization
DAIKIN IND LTD13 citations74
US4943653AJul 24, 1990
Novel fluorine-containing acrylic acid derivative and polymer thereof
DAIKIN IND LTD5 citations74
US4931511AJun 5, 1990
Cross-linkable coating composition
DAIKIN IND LTD10 citations74
US4663407AMay 5, 1987
Fluorine-containing diacylperoxides and use thereof
DAIKIN IND LTD7 citations74
US4654444AMar 31, 1987
Fluorine-containing diacylperoxides and use thereof
DAIKIN IND LTD12 citations74
US4530972AJul 23, 1985
Fluoride-containing polymer and composition containing same
DAIKIN IND LTD17 citations74
US4467074AAug 21, 1984
Fluoroelastomer composition
DAIKIN IND LTD11 citations73
US4146532AMar 27, 1979
Fluoroelastomer composition with diazobicycloundecenium
DAIKIN IND LTD15 citations72
US4954588ASep 4, 1990
Novel fluorine-containing non-crystalline copolymer
DAIKIN IND LTD6 citations67
US5117035AMay 26, 1992
Fluorine-containing acrylic acid derivative and polymer thereof
DAIKIN IND LTD4 citations63
SUMITOMO METAL IND
5 patentsUS6386271B1May 14, 2002
Method for continuous casting of steel
SUMITOMO METAL IND80 citations95
US6102101AAug 15, 2000
Continuous casting method and apparatus thereof
SUMITOMO METAL IND22 citations91
US5913357AJun 22, 1999
Method for controlling the level of molten metal for a continuous casting machine
SUMITOMO METAL IND25 citations90
US6467533B1Oct 22, 2002
Machine and method for continuous casting of steel
SUMITOMO METAL IND7 citations72
US6466001B2Oct 15, 2002
Method and apparatus for controlling the molten metal level in a mold in continuous casting
SUMITOMO METAL IND5 citations61
DAINIPPON SCREEN MFG
3 patentsDAIKIN INST OF ADVANCED CHEMIS
3 patentsUS7262257B2Aug 28, 2007
Telechelic polymers containing reactive functional groups
DAIKIN INST OF ADVANCED CHEMIS14 citations82
US6911509B1Jun 28, 2005
Functional fluoropolymers and process therefor
DAIKIN INST OF ADVANCED CHEMIS16 citations82
US7220807B2May 22, 2007
Process of preparing functional fluoropolymers
DAIKIN INST OF ADVANCED CHEMIS5 citations60