Inventor
TSUTSUI TOSHIYUKI
JP94 patents
⚠️ This page may combine multiple inventors who share the name “TSUTSUI TOSHIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUI PETROCHEMICAL IND
37 patentsUS5218071AJun 8, 1993
Ethylene random copolymers
MITSUI PETROCHEMICAL IND389 citations99
US5206199AApr 27, 1993
Catalyst for polymerizing an olefin and process for polymerizing an olefin
MITSUI PETROCHEMICAL IND305 citations99
US5204419AApr 20, 1993
Process for polymerizing olefins
MITSUI PETROCHEMICAL IND268 citations99
US5091352AFeb 25, 1992
Olefin polymerization catalyst component, olefin polymerization catalyst and process for the polymerization of olefins
MITSUI PETROCHEMICAL IND316 citations99
US4704491ANov 3, 1987
Liquid ethylene-alpha-olefin random copolymer, process for production thereof, and use thereof
MITSUI PETROCHEMICAL IND200 citations99
US5714426AFeb 3, 1998
Olefin polymerization catalyst
MITSUI PETROCHEMICAL IND38 citations96
US5698651ADec 16, 1997
Ethylene copolymer rubber, vulcanizable rubber composition containing the copolymer rubber, and process for preparing the copolymer rubber
MITSUI PETROCHEMICAL IND62 citations96
US5663236ASep 2, 1997
Ethylene copolymer composition
MITSUI PETROCHEMICAL IND50 citations96
US5610254AMar 11, 1997
Ethylene-α-olefin-nonconjugated polyene random copolymer, rubber composition, and process for preparing the random copolymer
MITSUI PETROCHEMICAL IND61 citations96
US5605969AFeb 25, 1997
Method for the preparation of ethylene polymer composition
MITSUI PETROCHEMICAL IND68 citations96
US5525689AJun 11, 1996
Process for preparing ethylene copolymers
MITSUI PETROCHEMICAL IND51 citations96
US5519091AMay 21, 1996
Method for the preparation of ethylene polymer compositions
MITSUI PETROCHEMICAL IND64 citations96
US5464905ANov 7, 1995
Ethylene/α-olefin copolymer composition, graft modified ethylene/α-olefin copolymer composition, ethylene copolymer composition, and multi-stage olefin polymerization process
MITSUI PETROCHEMICAL IND67 citations96
US5459217AOct 17, 1995
Ethylene/alpha-olefin copolymer
MITSUI PETROCHEMICAL IND80 citations96
US5455316AOct 3, 1995
Olefin polymerization solid catalyst, olefin polymerization catalyst and olefin polymerization
MITSUI PETROCHEMICAL IND49 citations96
US5374700ADec 20, 1994
Ethylene copolymer
MITSUI PETROCHEMICAL IND83 citations96
US5336746AAug 9, 1994
Propylene random copolymers and processes for preparing same
MITSUI PETROCHEMICAL IND54 citations96
US5308816AMay 3, 1994
Olefin polymerization solid catalyst, olefin polymerization catalyst and olefin polymerization
MITSUI PETROCHEMICAL IND57 citations96
US5234878AAug 10, 1993
Olefin polymerization solid catalysts and process for the polymerization of olefins
MITSUI PETROCHEMICAL IND61 citations96
US5122491AJun 16, 1992
Catalyst for polymerizing an olefin and process for polymerizing an olefin
MITSUI PETROCHEMICAL IND70 citations96
US5008356AApr 16, 1991
Cyclo-olefinic random copolymer, olefinic random copolymer, and process for producing cyclo-olefinic random copolymers
MITSUI PETROCHEMICAL IND87 citations96
US5003019AMar 26, 1991
Cyclo-olefinic random copolymer, olefinic random copolymer, and process for producing cyclo-olefinic random copolymers
MITSUI PETROCHEMICAL IND76 citations96
US4990640AFeb 5, 1991
Benzene-insoluble organoaluminum oxy-compounds and process for preparing same
MITSUI PETROCHEMICAL IND116 citations96
US5340786AAug 23, 1994
Olefin polymerization catalyst and process for the polymerization of olefins
MITSUI PETROCHEMICAL IND61 citations95
US5840815ANov 24, 1998
Gas-phase or slurry polymerization process for the preparation of an olefin polymer
MITSUI PETROCHEMICAL IND24 citations93
US5703180ADec 30, 1997
Catalyst for olefin polymerization, process for olefin polymerization using the same, ethylene/α-olefin copolymer, graft modified ethylene/α-olefin copolymer, and ethylene copolymer composition
MITSUI PETROCHEMICAL IND32 citations93
US5639842AJun 17, 1997
Ethylene random copolymers
MITSUI PETROCHEMICAL IND35 citations93
US5266544ANov 30, 1993
Olefin polymerization catalyst and process for the polymerization of olefins
MITSUI PETROCHEMICAL IND50 citations93
US5171799ADec 15, 1992
Olefin polymerization catalyst component, olefin polymerization catalyst and process for the polymerization of olefins
MITSUI PETROCHEMICAL IND48 citations93
US5126301AJun 30, 1992
Solid catalyst for polymerizing an olefin
MITSUI PETROCHEMICAL IND55 citations93
US5120696AJun 9, 1992
Olefin polymerization catalyst and process for the polymerization of olefins
MITSUI PETROCHEMICAL IND53 citations93
US6040407AMar 21, 2000
Chain polyene group-containing norbornene compound and unsaturated ethylene copolymer using the same
MITSUI PETROCHEMICAL IND21 citations92
US5880056AMar 9, 1999
Olefin polymerization catalyst and process for olefin polymerization
MITSUI PETROCHEMICAL IND37 citations92
US5837791ANov 17, 1998
Unsaturated copolymer of ethylene and process for preparing the same
MITSUI PETROCHEMICAL IND24 citations92
US5807948ASep 15, 1998
Vulcanizable rubber composition containing ehtylene-α-olefin-nonconjugated polyene random copolymer
MITSUI PETROCHEMICAL IND34 citations92
US5795838AAug 18, 1998
Olefin polymerization catalyst and process for olefin polymerization
MITSUI PETROCHEMICAL IND20 citations92
US5696214ADec 9, 1997
Process for preparing ethylene-α-olefin-nonconjugated polyene random copolymer
MITSUI PETROCHEMICAL IND21 citations92
MITSUI CHEMICALS INC
12 patentsUS6309997B1Oct 30, 2001
Olefin polymerization catalysts, transition metal compounds, processes for olefin polymerization, and α-olefin/conjugated diene copolymers
MITSUI CHEMICALS INC186 citations98
US5998039ADec 7, 1999
Polypropylene composition and uses thereof
MITSUI CHEMICALS INC147 citations98
US7300903B2Nov 27, 2007
Olefin polymerization catalysts, transition metal compounds, processes for olefin polymerization, and α-olefin/conjugated diene copolymers
MITSUI CHEMICALS INC56 citations96
US6875718B2Apr 5, 2005
Olefin polymerization catalysts, transition metal compounds, processes for olefin polymerization, and α-olefin/conjugated diene copolymers
MITSUI CHEMICALS INC40 citations96
US5922823AJul 13, 1999
Ethylene-α-olefin-nonconjugated polyene random copolymer
MITSUI CHEMICALS INC41 citations96
US5883205AMar 16, 1999
Process for the preparation of an ethylene copolymer and prepolymerized solid catalyst for olefin polymerization
MITSUI CHEMICALS INC27 citations93
US5744566AApr 28, 1998
Unsaturated copolymer based on olefin and produciton and use thereof
MITSUI CHEMICALS INC33 citations93
US7888437B2Feb 15, 2011
Process for producing olefin polymer and solid titanium catalyst component
MITSUI CHEMICALS INC16 citations92
US7649062B2Jan 19, 2010
Solid titanium catalyst component, catalyst for polymerization of olefin and process for producing olefin polymer
MITSUI CHEMICALS INC39 citations92
US6770723B2Aug 3, 2004
α-olefin/conjugated diene copolymers
MITSUI CHEMICALS INC28 citations92
US6194114B1Feb 27, 2001
Heat-fixable developer for electrophotography
MITSUI CHEMICALS INC22 citations92
US6001941ADec 14, 1999
Ethylene α-olefin copolymer obtained by copolymerizing ethylene with an α-olefin
MITSUI CHEMICALS INC24 citations92
MITSUI CEHMICALS INC
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