Inventor · disambiguated record
Toshihiko Sugano
Also filed as: SUGANO TOSHIHIKO
57 granted patents·3 pending applications·1,443 citations·filing 1984–2018
99Inventor score
Files withMITSUBISHI CHEM CORP17TOHO TITANIUM CO LTD15MITSUBISHI PETROCHEMICAL CO14JAPAN POLYCHEM CORP7JAPAN POLYPROPYLENE CORP3
Top patents by PatentIndex Score
60 records- 0198US5942459ACatalysts for olefin polymerization and a process for preparing olefin polymers therewithMITSUBISHI CHEM CORP·Filed 1996·Granted Aug 24, 1999·209 cites·11 claims
- 0294US6344530B2Process for producing α-olefin polymersMITSUBISHI CHEM CORP·Filed 2001·Granted Feb 5, 2002·35 cites·6 claims
- 0394US5648440ACatalyst components for polymerization of olefins and use thereofMITSUBISHI CHEM CORP·Filed 1995·Granted Jul 15, 1997·95 cites·4 claims
- 0493US10113014B1Method for producing solid catalyst component containing vanadium compound for olefin polymerization, olefin polymerization catalyst, and method for producing olefin polymerTOHO TITANIUM CO LTD·Filed 2017·Granted Oct 30, 2018·4 cites·2 claims
- 0593US5331054APropylene copolymer compositionMITSUBISHI PETROCHEMICAL CO·Filed 1992·Granted Jul 19, 1994·74 cites·6 claims
- 0692US6340652B1Catalysts for polymerization of α-olefins, process for producing α-olefin polymers, novel transition metal compounds and catalyst components for polymerization of α-olefinMITSUBISHI CHEM CORP·Filed 1997·Granted Jan 22, 2002·52 cites·6 claims
- 0792US5346925AMethod for producing α-olefin polymersMITSUBISHI PETROCHEMICAL CO·Filed 1993·Granted Sep 13, 1994·103 cites·21 claims
- 0891US5510502ACatalyst component for use in the polymerization of α-olefins and process for producing α-olefin polymers using the sameMITSUBISHI CHEM CORP·Filed 1994·Granted Apr 23, 1996·79 cites·8 claims
- 0990US10246530B2Method for producing solid catalyst component for olefin polymerization, catalyst for olefin polymerization and a process for propylene polymerizationTOHO TITANIUM CO LTD·Filed 2017·Granted Apr 2, 2019·3 cites·5 claims
- 1090US6252097B1Transition metal compoundsMITSUBISHI CHEM CORP·Filed 1999·Granted Jun 26, 2001·36 cites·3 claims
- 1189US5252677AFunctionalized olefin polymersMITSUBISHI PETROCHEMICAL CO·Filed 1993·Granted Oct 12, 1993·60 cites·17 claims
- 1288US5104838AProduction of α-olefin polymersMITSUBISHI PETROCHEMICAL CO·Filed 1990·Granted Apr 14, 1992·54 cites·9 claims
- 1386US6916886B2Propylene block copolymerJAPAN POLYPROPYLENE CORP·Filed 2002·Granted Jul 12, 2005·31 cites·3 claims
- 1486US6218558B1Transition metal compound, catalyst component for olefin polymerization and process for the preparation of α-olefin polymerJAPAN POLYCHEM CORP·Filed 1999·Granted Apr 17, 2001·36 cites·6 claims
- 1585US5489659ACatalyst component for use in the polymerization of α-olefins and process for producing α-olefin polymers using the sameMITSUBISHI CHEM CORP·Filed 1994·Granted Feb 6, 1996·45 cites·30 claims
- 1684US6943227B2Catalyst for olefin polymerization and method of polymerization of olefinJAPAN POLYPROPYLENE CORP·Filed 2002·Granted Sep 13, 2005·22 cites·12 claims
- 1784US5444125AAminated olefin polymersMITSUBISHI PETROCHEMICAL CO·Filed 1992·Granted Aug 22, 1995·41 cites·24 claims
- 1883US6255515B1Processes for producing silicon- or germanium-containing organic compound, transition metal complex, catalyst for polymerization of α-olefin and α-olefin polymerMITSUBISHI CHEM CORP·Filed 1998·Granted Jul 3, 2001·33 cites·10 claims
- 1983US5385877AProduction of alpha-olefin polymersMITSUBISHI PETROCHEMICAL CO·Filed 1992·Granted Jan 31, 1995·39 cites·12 claims
- 2083US5225501AProcess for producing a propylene random copolymerMITSUBISHI PETROCHEMICAL CO·Filed 1992·Granted Jul 6, 1993·39 cites·14 claims
- 2182US5561093ACatalyst useful for the polymerization of olefinsMITSUBISHI CHEM CORP·Filed 1995·Granted Oct 1, 1996·25 cites·23 claims
- 2281US9587050B2Production method for solid catalyst component for polymerizing olefins, catalyst for polymerizing olefins, and production method for polymerized olefinsTOHO TITANIUM CO LTD·Filed 2014·Granted Mar 7, 2017·3 cites·5 claims
- 2381US5468781APolypropylene resin expanded particlesMITSUBISHI PETROCHEMICAL CO·Filed 1995·Granted Nov 21, 1995·45 cites·8 claims
- 2481US5147839AProduction of α-olefin polymersMITSUBISHI PETROCHEMICAL CO·Filed 1991·Granted Sep 15, 1992·33 cites·8 claims
- 2580US9206273B2Solid catalyst component for polymerizing olefins, catalyst for polymerizing olefins, and production method for polymerized olefinsTOHO TITANIUM CO LTD·Filed 2014·Granted Dec 8, 2015·3 cites·8 claims
- 2679US9670294B2Method for producing solid catalyst component for use in polymerization of olefin, catalyst for use in polymerization of olefin, and method for producing olefin polymerHOSAKA MOTOKI·Filed 2013·Granted Jun 6, 2017·3 cites·18 claims
- 2778US9206265B2Solid catalyst component for olefin polymerization, catalyst for olefin polymerization, and method for producing olefin polymerUOZUMI TOSHIYA·Filed 2012·Granted Dec 8, 2015·4 cites·18 claims
- 2877US9243081B2Solid catalyst component for polymerization of olefin, catalyst for polymerization of olefin, and method for producing olefin polymerSUGANO TOSHIHIKO·Filed 2012·Granted Jan 26, 2016·4 cites·13 claims
- 2977US6825280B1Propylene block copolymer and propylene resin compositionJAPAN POLYCHEM CORP·Filed 1999·Granted Nov 30, 2004·38 cites·54 claims
- 3076US4563436ACatalyst component for α-olefin polymerization and method of producing the sameMITSUBISHI PETROCHEMICAL CO·Filed 1984·Granted Jan 7, 1986·23 cites·7 claims
- 3175US5594081ACatalyst component for the polymerization of α-olefins and a process for preparing α-olefin polymers with use of sameMITSUBISHI CHEM CORP·Filed 1995·Granted Jan 14, 1997·34 cites·14 claims
- 3273US7276463B2Polymerization catalyst for α-olefins and process for production of α-olefin polymers therewithJAPAN POLYPROPYLENE CORP·Filed 2003·Granted Oct 2, 2007·11 cites·6 claims
- 3371US6953831B2Ethylene polymersJAPAN POLYCHEM CORP·Filed 2001·Granted Oct 11, 2005·12 cites·11 claims
- 3470US9593188B2Production method for solid catalyst component for polymerizing olefins, catalyst for polymerizing olefins, and production method for polymerized olefinsTOHO TITANIUM CO LTD·Filed 2014·Granted Mar 14, 2017·1 cites·4 claims
- 3569US10457755B2Solid catalyst component for olefin polymerization, method for producing the same, olefin polymerization catalyst, and method for producing olefin polymerTOHO TITANIUM CO LTD·Filed 2014·Granted Oct 29, 2019·1 cites·14 claims
- 3669US6756463B2Propylene polymerJAPAN POLYCHEM CORP·Filed 2002·Granted Jun 29, 2004·9 cites·12 claims
- 3768US10011669B2Method for producing propylene block copolymerTOHO TITANIUM CO LTD·Filed 2014·Granted Jul 3, 2018·1 cites·12 claims
- 3867US10479856B2Manufacturing method for propylene block copolymerTOHO TITANIUM CO LTD·Filed 2018·Granted Nov 19, 2019·0 cites·8 claims
- 3967US6825371B2Catalysts for polymerization of α-olefins, process for producing α-olefin polymers, novel transition metal compounds and catalyst components for polymerization of α-olefinMITSUBISHI CHEM CORP·Filed 2002·Granted Nov 30, 2004·3 cites·2 claims
- 4067US5623022AProcess for producing propylene block copolymersMITSUBISHI CHEM CORP·Filed 1995·Granted Apr 22, 1997·22 cites·16 claims
- 4166US5449650ACatalyst components for polymerization of olefins and use thereofMITSUBISHI PETROCHEMICAL CO·Filed 1993·Granted Sep 12, 1995·12 cites·3 claims
- 4264US6143911ACatalyst useful for the polymerization of olefinsMITSUBISHI PETROCHEMICAL CO·Filed 1996·Granted Nov 7, 2000·16 cites·12 claims
- 4363US6590045B2Catalysts for polymerization of α-olefins, process for producing α-olefin polymers, novel transition metal compounds and catalyst components for polymerization of α-olefinMITSUBISHI CHEM CORP·Filed 2001·Granted Jul 8, 2003·2 cites·6 claims
- 4459US6509426B2Transition metal compound, catalyst component for olefin polymerization and process for the preparation of α-olefin polymerJAPAN POLYCHEM CORP·Filed 2001·Granted Jan 21, 2003·2 cites·21 claims
- 4557US10487169B2Manufacturing method for propylene block copolymerTOHO TITANIUM CO LTD·Filed 2015·Granted Nov 26, 2019·0 cites·6 claims
- 4653US10590211B2Method for producing solid catalyst component for olefin polymerization, olefin polymerization catalyst, method for producing olefin polymerization catalyst, and method for producing olefin polymerTOHO TITANIUM CO LTD·Filed 2017·Granted Mar 17, 2020·0 cites·12 claims
- 4752US9683059B2Solid catalyst component for polymerization of olefins, catalyst for polymerization of olefins, and method for producing olefin polymerTOHO TITANIUM CO LTD·Filed 2013·Granted Jun 20, 2017·0 cites·11 claims
- 4851US6677411B2Component of catalyst for olefin polymerizationJAPAN POLYCHEM CORP·Filed 2001·Granted Jan 13, 2004·12 cites·14 claims
- 4951US5486572AProcess for preparing propylene block copolymersMITSUBISHI CHEM CORP·Filed 1994·Granted Jan 23, 1996·8 cites·27 claims
- 5050US10472436B2Olefin-polymerization solid catalytic component, production method for olefin-polymerization catalyst, and production method for olefin polymerTOHO TITANIUM CO LTD·Filed 2016·Granted Nov 12, 2019·0 cites·17 claims
Showing the top 50 of 60 patent records by PatentIndex Score.
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