Inventor · disambiguated record
Toshiyuki Tsutsui
Also filed as: OKAWA LEGAL REPRESENTATIVE CHI · TSUTSUI TOSHIYUKI
93 granted patents·4 pending applications·4,417 citations·filing 1986–2010
99Inventor score
Files withMITSUI PETROCHEMICAL IND57MITSUI CHEMICALS INC34MATSUMOTO TETSUHIRO1MITSUI CEHMICALS INC1TOHI YASUSHI1
Top patents by PatentIndex Score
97 records- 0199US5091352AOlefin polymerization catalyst component, olefin polymerization catalyst and process for the polymerization of olefinsMITSUI PETROCHEMICAL IND·Filed 1989·Granted Feb 25, 1992·316 cites·15 claims
- 0298US7300903B2Olefin polymerization catalysts, transition metal compounds, processes for olefin polymerization, and α-olefin/conjugated diene copolymersMITSUI CHEMICALS INC·Filed 2005·Granted Nov 27, 2007·56 cites·20 claims
- 0398US6309997B1Olefin polymerization catalysts, transition metal compounds, processes for olefin polymerization, and α-olefin/conjugated diene copolymersMITSUI CHEMICALS INC·Filed 1998·Granted Oct 30, 2001·186 cites·15 claims
- 0498US5218071AEthylene random copolymersMITSUI PETROCHEMICAL IND·Filed 1992·Granted Jun 8, 1993·389 cites·7 claims
- 0598US5206199ACatalyst for polymerizing an olefin and process for polymerizing an olefinMITSUI PETROCHEMICAL IND·Filed 1992·Granted Apr 27, 1993·305 cites·28 claims
- 0698US5204419AProcess for polymerizing olefinsMITSUI PETROCHEMICAL IND·Filed 1987·Granted Apr 20, 1993·268 cites·18 claims
- 0798US4990640ABenzene-insoluble organoaluminum oxy-compounds and process for preparing sameMITSUI PETROCHEMICAL IND·Filed 1989·Granted Feb 5, 1991·116 cites·10 claims
- 0898US4704491ALiquid ethylene-alpha-olefin random copolymer, process for production thereof, and use thereofMITSUI PETROCHEMICAL IND·Filed 1986·Granted Nov 3, 1987·200 cites·11 claims
- 0996US7649062B2Solid titanium catalyst component, catalyst for polymerization of olefin and process for producing olefin polymerMITSUI CHEMICALS INC·Filed 2007·Granted Jan 19, 2010·39 cites·9 claims
- 1096US5998039APolypropylene composition and uses thereofMITSUI CHEMICALS INC·Filed 1997·Granted Dec 7, 1999·147 cites·23 claims
- 1196US5374700AEthylene copolymerMITSUI PETROCHEMICAL IND·Filed 1991·Granted Dec 20, 1994·83 cites·2 claims
- 1295US5003019ACyclo-olefinic random copolymer, olefinic random copolymer, and process for producing cyclo-olefinic random copolymersMITSUI PETROCHEMICAL IND·Filed 1988·Granted Mar 26, 1991·76 cites·29 claims
- 1394US6875718B2Olefin polymerization catalysts, transition metal compounds, processes for olefin polymerization, and α-olefin/conjugated diene copolymersMITSUI CHEMICALS INC·Filed 2001·Granted Apr 5, 2005·40 cites·15 claims
- 1494US5464905AEthylene/α-olefin copolymer composition, graft modified ethylene/α-olefin copolymer composition, ethylene copolymer composition, and multi-stage olefin polymerization processMITSUI PETROCHEMICAL IND·Filed 1993·Granted Nov 7, 1995·67 cites·9 claims
- 1594US5008356ACyclo-olefinic random copolymer, olefinic random copolymer, and process for producing cyclo-olefinic random copolymersMITSUI PETROCHEMICAL IND·Filed 1989·Granted Apr 16, 1991·87 cites·9 claims
- 1692US5459217AEthylene/alpha-olefin copolymerMITSUI PETROCHEMICAL IND·Filed 1994·Granted Oct 17, 1995·80 cites·5 claims
- 1792US5336746APropylene random copolymers and processes for preparing sameMITSUI PETROCHEMICAL IND·Filed 1992·Granted Aug 9, 1994·54 cites·15 claims
- 1891US7888438B2Catalyst for olefin polymerization and process for olefin polymerizationMITSUI CHEMICALS INC·Filed 2007·Granted Feb 15, 2011·17 cites·15 claims
- 1991US7888437B2Process for producing olefin polymer and solid titanium catalyst componentMITSUI CHEMICALS INC·Filed 2006·Granted Feb 15, 2011·16 cites·8 claims
- 2091US6770723B2α-olefin/conjugated diene copolymersMITSUI CHEMICALS INC·Filed 2001·Granted Aug 3, 2004·28 cites·8 claims
- 2191US5610254AEthylene-α-olefin-nonconjugated polyene random copolymer, rubber composition, and process for preparing the random copolymerMITSUI PETROCHEMICAL IND·Filed 1995·Granted Mar 11, 1997·61 cites·14 claims
- 2290US5605969AMethod for the preparation of ethylene polymer compositionMITSUI PETROCHEMICAL IND·Filed 1993·Granted Feb 25, 1997·68 cites·8 claims
- 2390US5234878AOlefin polymerization solid catalysts and process for the polymerization of olefinsMITSUI PETROCHEMICAL IND·Filed 1991·Granted Aug 10, 1993·61 cites·1 claims
- 2489US5922823AEthylene-α-olefin-nonconjugated polyene random copolymerMITSUI CHEMICALS INC·Filed 1997·Granted Jul 13, 1999·41 cites·1 claims
- 2589US5663236AEthylene copolymer compositionMITSUI PETROCHEMICAL IND·Filed 1995·Granted Sep 2, 1997·50 cites·3 claims
- 2689US5525689AProcess for preparing ethylene copolymersMITSUI PETROCHEMICAL IND·Filed 1995·Granted Jun 11, 1996·51 cites·11 claims
- 2789US5122491ACatalyst for polymerizing an olefin and process for polymerizing an olefinMITSUI PETROCHEMICAL IND·Filed 1988·Granted Jun 16, 1992·70 cites·9 claims
- 2888US5698651AEthylene copolymer rubber, vulcanizable rubber composition containing the copolymer rubber, and process for preparing the copolymer rubberMITSUI PETROCHEMICAL IND·Filed 1996·Granted Dec 16, 1997·62 cites·10 claims
- 2988US5519091AMethod for the preparation of ethylene polymer compositionsMITSUI PETROCHEMICAL IND·Filed 1995·Granted May 21, 1996·64 cites·4 claims
- 3088US5120696AOlefin polymerization catalyst and process for the polymerization of olefinsMITSUI PETROCHEMICAL IND·Filed 1990·Granted Jun 9, 1992·53 cites·20 claims
- 3187US5266544AOlefin polymerization catalyst and process for the polymerization of olefinsMITSUI PETROCHEMICAL IND·Filed 1992·Granted Nov 30, 1993·50 cites·20 claims
- 3286US5714426AOlefin polymerization catalystMITSUI PETROCHEMICAL IND·Filed 1995·Granted Feb 3, 1998·38 cites·9 claims
- 3386US5308816AOlefin polymerization solid catalyst, olefin polymerization catalyst and olefin polymerizationMITSUI PETROCHEMICAL IND·Filed 1992·Granted May 3, 1994·57 cites·18 claims
- 3485US5807948AVulcanizable rubber composition containing ehtylene-α-olefin-nonconjugated polyene random copolymerMITSUI PETROCHEMICAL IND·Filed 1997·Granted Sep 15, 1998·34 cites·6 claims
- 3585US5594071AEthylene copolymer compositionMITSUI PETROCHEMICAL IND·Filed 1995·Granted Jan 14, 1997·40 cites·2 claims
- 3684US7687579B2Ethylene (co) polymer and its useMITSUI CHEMICALS INC·Filed 2005·Granted Mar 30, 2010·5 cites·5 claims
- 3784US6716924B2Process for preparing ethylene polymer composition, particles of ethylene polymer composition, and film obtained from the particles of ethylene polymer compositionMITSUI CHEMICALS INC·Filed 2002·Granted Apr 6, 2004·28 cites·4 claims
- 3884US5455316AOlefin polymerization solid catalyst, olefin polymerization catalyst and olefin polymerizationMITSUI PETROCHEMICAL IND·Filed 1994·Granted Oct 3, 1995·49 cites·18 claims
- 3984US5340786AOlefin polymerization catalyst and process for the polymerization of olefinsMITSUI PETROCHEMICAL IND·Filed 1993·Granted Aug 23, 1994·61 cites·8 claims
- 4082US5674945AEthylene copolymer compositionMITSUI PETROCHEMICAL IND·Filed 1995·Granted Oct 7, 1997·32 cites·7 claims
- 4182US5126301ASolid catalyst for polymerizing an olefinMITSUI PETROCHEMICAL IND·Filed 1990·Granted Jun 30, 1992·55 cites·84 claims
- 4281US8629075B2Solid titanium catalyst component, olefin polymerization catalyst, and process for producing olefin polymerMATSUMOTO TETSUHIRO·Filed 2010·Granted Jan 14, 2014·4 cites·9 claims
- 4381US5916988AEthylene random copolymersMITSUI CEHMICALS INC·Filed 1997·Granted Jun 29, 1999·33 cites·7 claims
- 4481US5837791AUnsaturated copolymer of ethylene and process for preparing the sameMITSUI PETROCHEMICAL IND·Filed 1997·Granted Nov 17, 1998·24 cites·13 claims
- 4580US5171799AOlefin polymerization catalyst component, olefin polymerization catalyst and process for the polymerization of olefinsMITSUI PETROCHEMICAL IND·Filed 1991·Granted Dec 15, 1992·48 cites·12 claims
- 4679US7741419B2Process for producing olefin polymersMITSUI CHEMICALS INC·Filed 2005·Granted Jun 22, 2010·4 cites·3 claims
- 4779US5639842AEthylene random copolymersMITSUI PETROCHEMICAL IND·Filed 1996·Granted Jun 17, 1997·35 cites·6 claims
- 4878US5883205AProcess for the preparation of an ethylene copolymer and prepolymerized solid catalyst for olefin polymerizationMITSUI CHEMICALS INC·Filed 1997·Granted Mar 16, 1999·27 cites·2 claims
- 4978US5880056AOlefin polymerization catalyst and process for olefin polymerizationMITSUI PETROCHEMICAL IND·Filed 1997·Granted Mar 9, 1999·37 cites·3 claims
- 5077US5744566AUnsaturated copolymer based on olefin and produciton and use thereofMITSUI CHEMICALS INC·Filed 1996·Granted Apr 28, 1998·33 cites·15 claims
Showing the top 50 of 97 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →