Inventor
MIYATAKE TATSUYA
JP31 patents
⚠️ This page may combine multiple inventors who share the name “MIYATAKE TATSUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO CHEMICAL CO
28 patentsUS6548686B2Apr 15, 2003
Transition metal compound, catalyst for addition polymerization, and process for producing addition polymer
SUMITOMO CHEMICAL CO102 citations97
US6664208B1Dec 16, 2003
Modified aluminum oxy compound, polymerization catalyst and process for producing olefin polymer and alkenyl aromatic hydrocarbon polymer
SUMITOMO CHEMICAL CO17 citations92
US6586356B2Jul 1, 2003
Catalyst component for addition polymerization, catalyst for addition polymerization, and process for producing addition polymer
SUMITOMO CHEMICAL CO24 citations92
US6288192B1Sep 11, 2001
Olefin polymer, olefin polymerization catalyst and process for producing olefin polymer
SUMITOMO CHEMICAL CO22 citations92
US6232421B1May 15, 2001
Olefin polymer and process for producing the same
SUMITOMO CHEMICAL CO18 citations92
US4769284ASep 6, 1988
Polypropylene multi-layer film
SUMITOMO CHEMICAL CO25 citations92
US5043408AAug 27, 1991
Ethylene-aromatic vinyl compound alternating copolymer and process for the production thereof
SUMITOMO CHEMICAL CO35 citations90
US6528596B2Mar 4, 2003
Modified particles, catalyst for olefin polymerization, and process of producing olefin polymer
SUMITOMO CHEMICAL CO15 citations83
US7211537B2May 1, 2007
Modified aluminum oxy compound, polymerization catalyst and process for producing olefin polymer and alkenyl aromatic hydrocarbon polymer
SUMITOMO CHEMICAL CO9 citations74
US6423807B1Jul 23, 2002
Copolymer, process for producing the same, and molded article comprising the same
SUMITOMO CHEMICAL CO12 citations73
US6417307B1Jul 9, 2002
Shrink film
SUMITOMO CHEMICAL CO9 citations73
US6187889B1Feb 13, 2001
Copolymer, process for production thereof, and molded article thereof
SUMITOMO CHEMICAL CO8 citations73
US6281302B1Aug 28, 2001
Solid catalyst component, catalyst for olefin polymerization, and method for producing olefin polymer
SUMITOMO CHEMICAL CO12 citations72
US5280000AJan 18, 1994
Catalyst for olefin polymerization and process for producing olefin polymer using the catalyst
SUMITOMO CHEMICAL CO12 citations72
US4433110AFeb 21, 1984
Process for producing propylene block copolymers
SUMITOMO CHEMICAL CO12 citations71
US7037563B2May 2, 2006
Copolymer
SUMITOMO CHEMICAL CO5 citations63
US6414094B2Jul 2, 2002
Olefin polymer and process for producing the same
SUMITOMO CHEMICAL CO2 citations63
US6914108B2Jul 5, 2005
Catalyst component for addition polymerization, catalyst for addition polymerization, and process for producing addition polymer
SUMITOMO CHEMICAL CO4 citations62
US6852809B2Feb 8, 2005
Catalyst component for addition polymerization, catalyst for addition polymerization, and process for producing addition polymer
SUMITOMO CHEMICAL CO2 citations62
US6451946B1Sep 17, 2002
Copolymer, process for the production thereof, and molded article thereof
SUMITOMO CHEMICAL CO2 citations62
US5424379AJun 13, 1995
Process for selective production of cis-1,4-polybutadiene
SUMITOMO CHEMICAL CO2 citations61
US5349034ASep 20, 1994
Process for selective production of trans-1,4-polybutadiene
SUMITOMO CHEMICAL CO2 citations61
US6828396B2Dec 7, 2004
Solid catalyst component and catalyst for olefin polymerization, process for producing olefin polymer and process for producing solid catalyst component for olefin polymerization
SUMITOMO CHEMICAL CO2 citations60
US6921800B2Jul 26, 2005
Modified aluminum oxy compound, polymerization catalyst and process for producing olefin polymer and alkenyl
SUMITOMO CHEMICAL CO0 citations52
US6870017B2Mar 22, 2005
Transition metal compound, catalyst for addition polymerization, and process for producing addition polymer
SUMITOMO CHEMICAL CO1 citations52
US6632900B2Oct 14, 2003
Olefin polymer, olefin polymerization catalyst and process for producing olefin polymer
SUMITOMO CHEMICAL CO1 citations52
US6727333B2Apr 27, 2004
Solid catalyst component and catalyst for olefin polymerization, process for producing olefin polymer and process for producing solid catalyst component
SUMITOMO CHEMICAL CO0 citations49
US6468937B1Oct 22, 2002
Solid catalyst component and catalyst for olefin polymerization, process for producing olefin polymer and process for producing solid catalyst component
SUMITOMO CHEMICAL CO1 citations49