Inventor · disambiguated record
Junichi Imuta
Also filed as: IMUTA JUNICHI
34 granted patents·2 pending applications·1,454 citations·filing 1987–2008
98Inventor score
Top patents by PatentIndex Score
36 records- 0199US5504172APropylene polymer, propylene copolymer, and propylene elastomer prepared using novel bridged indenyl containing metallocenesMITSUI PETROCHEMICAL IND·Filed 1994·Granted Apr 2, 1996·554 cites·6 claims
- 0294US6346070B1Catalyst for polyester production, process for producing polyester using the catalyst, polyester obtained by the process, and uses of the polyesterMITSUI CHEMICALS INC·Filed 1999·Granted Feb 12, 2002·89 cites·20 claims
- 0393US5629254ASubstituted indenyl ring containing metallocene catalyst for propylene polymerization processMITSUI PETROCHEMICAL IND·Filed 1995·Granted May 13, 1997·59 cites·2 claims
- 0492US7393907B2Polar group-containing olefin copolymer, process for preparing the same, thermoplastic resin composition containing the copolymer, and uses thereofMITSUI CHEMICALS INC·Filed 2003·Granted Jul 1, 2008·33 cites·8 claims
- 0592US6451959B1Catalyst for polyester production, process for producing polyester using the catalyst, polyester obtained by the process, and uses of the polyesterMITSUI CHEMICALS INC·Filed 2001·Granted Sep 17, 2002·53 cites·56 claims
- 0692US5710223AProcess for polymerizing propylene by using a novel metallocene catalystMITSUI PETROCHEMICAL IND·Filed 1996·Granted Jan 20, 1998·59 cites·4 claims
- 0791US5959046AProcesses for producing propylene polymer utilizing bis (1-(4-isopropyl-7-methyl-indenyl) zirconium halide-base catalyst componentsMITSUI CHEMICALS INC·Filed 1997·Granted Sep 28, 1999·55 cites·9 claims
- 0891US5739366ATransition metal compound containing substituted indenyl ringsMITSUI PETROCHEMICAL IND·Filed 1995·Granted Apr 14, 1998·54 cites·4 claims
- 0991US5723640ATransition metal compound having indenyl-containing metalloceneMITSUI PETROCHEMICAL IND·Filed 1996·Granted Mar 3, 1998·52 cites·1 claims
- 1090US5767033ATransition metal compound and olefin polymerization catalyst component comprising said compoundMITSUI PETROCHEMICAL IND·Filed 1996·Granted Jun 16, 1998·50 cites·24 claims
- 1190US5753769AProcess for preparing propylene polymer composition and propylene polymer compositionMITSUI PETROCHEMICAL IND·Filed 1995·Granted May 19, 1998·66 cites·7 claims
- 1290US5658997AProcess for polymerizing propylene by using a novel metallocene catalystMITSUI PETROCHEMICAL IND·Filed 1995·Granted Aug 19, 1997·51 cites·4 claims
- 1388US7714087B2Polar group-containing olefin copolymer, process for preparing the same, thermoplastic resin composition containing the copolymer, and uses thereofMITSUI CHEMICALS INC·Filed 2008·Granted May 11, 2010·8 cites·5 claims
- 1487US6156844APropylene polymer compositions containing a propylene homo- or co-polymer obtained using a bridged metallocene catalyst and another propylene homo- or co-polymerMITSUI CHEMICALS INC·Filed 1994·Granted Dec 5, 2000·36 cites·22 claims
- 1583US6255419B1Olefin polymerization catalyst and process for producing olefin polymersMITSUI CHEMICALS INC·Filed 1998·Granted Jul 3, 2001·45 cites·10 claims
- 1680US5616663ATransition metal compound, olefin polymerization catalyst component comprising the transition metal compound, olefin polymerization catalyst comprising the olefin polymerization catalyst component, and process for olefin polymerizationMITSUI PETROCHEMICAL IND·Filed 1994·Granted Apr 1, 1997·31 cites·22 claims
- 1778US5854354AProcess for preparing propylene polymer composition and propylene polymer compositionMITSUI PETROCHEMICAL IND·Filed 1995·Granted Dec 29, 1998·39 cites·16 claims
- 1877US6004897AOlefin polymerization catalyst, process for preparing olefin polymer, and olefin polymerMITSUI CHEMICALS INC·Filed 1996·Granted Dec 21, 1999·32 cites·7 claims
- 1969US5795838AOlefin polymerization catalyst and process for olefin polymerizationMITSUI PETROCHEMICAL IND·Filed 1995·Granted Aug 18, 1998·20 cites·23 claims
- 2067US4973703AProcess for purification of N-cyano-N'-methyl-N"-(2-((5-methyl-1Himidazol-4-yl)methylthio)ethyl)guanidineMITSUI PETROCHEMICAL IND·Filed 1988·Granted Nov 27, 1990·6 cites·7 claims
- 2166US6930152B2Propylene polymer compositionsMITSUI CHEMICALS INC·Filed 2003·Granted Aug 16, 2005·5 cites·12 claims
- 2265US5409874ACatalyst for olefin polymerization, process for the polymerization of olefin, and transition metal compound employable for the catalystMITSUI PETROCHEMICAL IND·Filed 1992·Granted Apr 25, 1995·12 cites·15 claims
- 2361USRE40571ECatalyst for polyester production, process for producing polyester using the catalyst, polyester obtained by the process, and uses of the polyesterMITSUI CHEMICALS INC·Filed 2004·Granted Nov 11, 2008·4 cites·56 claims
- 2461US6838522B2Propylene polymer compositionsMITSUI CHEMICALS INC·Filed 2001·Granted Jan 4, 2005·3 cites·17 claims
- 2561US4886910ACyanoguanidine derivative and process for preparation thereofMITSUI PETROCHEMICAL IND·Filed 1988·Granted Dec 12, 1989·5 cites·4 claims
- 2652US5969049AProcess for preparing propylene polymer composition and propylene polymer compositionMITSUI CHEMICALS INC·Filed 1997·Granted Oct 19, 1999·9 cites·7 claims
- 2748US6043325AProcess for olefin polymerizationMITSUI CHEMICALS INC·Filed 1997·Granted Mar 28, 2000·7 cites·12 claims
- 2847US6297333B1Olefin polymerization catalyst, process for preparing olefin polymer, and olefin polymerMITSUI CHEMICALS INC·Filed 1999·Granted Oct 2, 2001·7 cites·11 claims
- 2946US5859272ATransition metal compound, olefin polymerization catalyst component comprising the transition metal compound, olefin polymerization catalyst comprising the olefin polymerization catalyst component, and process for olefin polymerizationMITSUI PETROCHEMICAL IND·Filed 1997·Granted Jan 12, 1999·6 cites·8 claims
- 3045US2003130428A1Propylene polymer compositionsFiled 2001·Application pending·0 cites
- 3142US2002156207A1Polar group-containing olefin copolymer, process for preparing the same, thermoplastic resin composition containing the copolymer, and uses thereofFiled 2001·Application pending·0 cites
- 3238US5412128ACatalyst for olefin polymerization, process for the polymerization of olefin, and transition metal compound employable for the catalystMITSUI PETROCHEMICAL IND·Filed 1993·Granted May 2, 1995·2 cites·6 claims
- 3337US5072007AProcess for preparing polyalkyl-2-alkoxy-7-hydroxychroman derivativesMITSUI PETROCHEMICAL IND·Filed 1990·Granted Dec 10, 1991·1 cites·13 claims
- 3435US5175313AProcess for preparing dihydrofuranone derivativesMITSUI PETROCHEMICAL IND·Filed 1991·Granted Dec 29, 1992·1 cites·2 claims
- 3533US4894475AAlpha-acyloxyketone derivativesMITSUI PETROCHEMICAL IND·Filed 1987·Granted Jan 16, 1990·0 cites·7 claims
- 3631US5424378ACatalyst for olefin polymerization, process for the polymerization of olefin, and transition metal compound employable for the catalystMITSUI PETROCHEMICAL IND·Filed 1994·Granted Jun 13, 1995·0 cites·12 claims
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