Assignee
JAPAN POLYPROPYLENE CORP
JP·32 granted patents·16 pending applications·160 citations·filing 2002–2023
Top patents by PatentIndex Score
48 records- 0190US9321897B2Thermoplastic resin composition and toilet components made therefromJAPAN POLYPROPYLENE CORP·Filed 2012·Granted Apr 26, 2016·11 cites·13 claims
- 0288US9522984B2Polypropylene resin composition and expanded moldingJAPAN POLYPROPYLENE CORP·Filed 2012·Granted Dec 20, 2016·11 cites·12 claims
- 0386US6916886B2Propylene block copolymerJAPAN POLYPROPYLENE CORP·Filed 2002·Granted Jul 12, 2005·31 cites·3 claims
- 0484US10947373B2Polypropylene resin composition for microporous film and use of polypropylene resin compositionJAPAN POLYPROPYLENE CORP·Filed 2017·Granted Mar 16, 2021·2 cites·12 claims
- 0584US10526427B2Method for producing solid catalyst component for α-olefin polymerization and method for producing α-olefin polymer using the sameJAPAN POLYPROPYLENE CORP·Filed 2016·Granted Jan 7, 2020·3 cites·12 claims
- 0684US9963522B2Metallocene complex and method for producing olefin polymerJAPAN POLYPROPYLENE CORP·Filed 2015·Granted May 8, 2018·3 cites·12 claims
- 0784US7390575B2Propylene-ethylene random block copolymer and biaxially oriented multi-layer film using the same as a surface layerJAPAN POLYPROPYLENE CORP·Filed 2004·Granted Jun 24, 2008·24 cites·13 claims
- 0884US6943227B2Catalyst for olefin polymerization and method of polymerization of olefinJAPAN POLYPROPYLENE CORP·Filed 2002·Granted Sep 13, 2005·22 cites·12 claims
- 0983US9751961B2Catalyst component for olefin polymerization, catalyst for olefin polymerization, and process for producing olefin (co)polymer using the sameJAPAN POLYPROPYLENE CORP·Filed 2014·Granted Sep 5, 2017·5 cites·10 claims
- 1081US9862783B2Imine compound, novel catalyst for olefin polymerization, and process for producing olefin polymerJAPAN POLYPROPYLENE CORP·Filed 2014·Granted Jan 9, 2018·4 cites·11 claims
- 1181US7662888B2Polypropylene based heat shrinkable filmJAPAN POLYPROPYLENE CORP·Filed 2006·Granted Feb 16, 2010·7 cites·14 claims
- 1279US10233317B2Fiber-reinforced flame-retardant polypropylene resin composition and molded article using the sameJAPAN POLYPROPYLENE CORP·Filed 2014·Granted Mar 19, 2019·3 cites·5 claims
- 1378US7858716B2Propylene-based polymer and production method therefor, propylene-based polymer composition and molded body made thereofJAPAN POLYPROPYLENE CORP·Filed 2007·Granted Dec 28, 2010·4 cites·19 claims
- 1477US10464251B2Thermal molding sheet and molded articleJAPAN POLYPROPYLENE CORP·Filed 2016·Granted Nov 5, 2019·2 cites·6 claims
- 1577US9505894B2Polypropylene-based resin composition and foam sheetJAPAN POLYPROPYLENE CORP·Filed 2013·Granted Nov 29, 2016·4 cites·12 claims
- 1674US7915359B2Propylene resin compositionJAPAN POLYPROPYLENE CORP·Filed 2006·Granted Mar 29, 2011·3 cites·16 claims
- 1773US9284427B2Polypropylene-based resin composition and foam sheetJAPAN POLYPROPYLENE CORP·Filed 2013·Granted Mar 15, 2016·2 cites·11 claims
- 1873US7276463B2Polymerization 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
- 1969US2025206854A1Branched propylene-based polymerJAPAN POLYPROPYLENE CORP·Filed 2023·Application pending·0 cites
- 2066US2025242325A1Polymerization reactor and method for producing propylene-based polymerJAPAN POLYPROPYLENE CORP·Filed 2022·Application pending·0 cites
- 2165US7875682B2Propylene block copolymer and process for production thereofJAPAN POLYPROPYLENE CORP·Filed 2006·Granted Jan 25, 2011·1 cites·20 claims
- 2265US2024352164A1Branched propylene-based polymerJAPAN POLYPROPYLENE CORP·Filed 2022·Application pending·0 cites
- 2360US2024182609A1Branched propylene-based polymer and production method thereforJAPAN POLYPROPYLENE CORP·Filed 2022·Application pending·0 cites
- 2458US7582696B2Polypropylene-based resin composition and molded article thereofJAPAN POLYPROPYLENE CORP·Filed 2004·Granted Sep 1, 2009·2 cites·8 claims
- 2555US7485686B2Manufacturing method of polyolefinJAPAN POLYPROPYLENE CORP·Filed 2004·Granted Feb 3, 2009·3 cites·14 claims
- 2655US2025270155A1Method for purifying olefin gas and method for producing polyolefinJAPAN POLYPROPYLENE CORP·Filed 2023·Application pending·0 cites
- 2754US12103987B2Method for producing catalyst component for olefin polymerization, method for producing catalyst for olefin polymerization, and method for producing olefin polymerJAPAN POLYPROPYLENE CORP·Filed 2020·Granted Oct 1, 2024·0 cites·12 claims
- 2854US9598567B2Propylene-ethylene copolymer resin composition and moulded article, film and sheet thereofJAPAN POLYPROPYLENE CORP·Filed 2016·Granted Mar 21, 2017·0 cites·9 claims
- 2952US2023174758A1Polypropylene-based resin composition, laminate, and methods for producing themJAPAN POLYPROPYLENE CORP·Filed 2021·Application pending·0 cites
- 3051US2009326136A1Propylene-based block copolymer composition and exterior member for automobileJAPAN POLYPROPYLENE CORP·Filed 2007·Application pending·0 cites
- 3150US9328232B2Propylene-ethylene copolymer resin composition and moulded article, film and sheet thereofJAPAN POLYPROPYLENE CORP·Filed 2013·Granted May 3, 2016·0 cites·8 claims
- 3250US2025346696A1Method for producing propylene-based polymerJAPAN POLYPROPYLENE CORP·Filed 2023·Application pending·0 cites
- 3349US12404353B2Olefin polymerization catalyst, olefin polymerization catalyst production method, and olefin polymer production method using the olefin polymerization catalystJAPAN POLYPROPYLENE CORP·Filed 2021·Granted Sep 2, 2025·0 cites·11 claims
- 3449US2017226327A1Fiber-reinforced flame-retardant polypropylene resin composition and molded article using the sameJAPAN POLYPROPYLENE CORP·Filed 2014·Application pending·0 cites
- 3548US11511529B2Decorative film and method for producing decorative molded body using sameJAPAN POLYPROPYLENE CORP·Filed 2017·Granted Nov 29, 2022·0 cites·25 claims
- 3648US9920196B2Propylene-based block copolymerJAPAN POLYPROPYLENE CORP·Filed 2014·Granted Mar 20, 2018·0 cites·5 claims
- 3748US7847010B2Polypropylene block copolymer, uses thereof, and polypropylene resin composition containing the sameJAPAN POLYPROPYLENE CORP·Filed 2006·Granted Dec 7, 2010·0 cites·15 claims
- 3847US7341794B2Laminated filmJAPAN POLYPROPYLENE CORP·Filed 2002·Granted Mar 11, 2008·0 cites·15 claims
- 3947US2020384678A1Decorative film and method for manufacturing decorative molded article using sameJAPAN POLYPROPYLENE CORP·Filed 2018·Application pending·0 cites
- 4046US7906599B2Transition metal compound, catalyst for olefin polymerization containing the same, and method for producing propylene/ethylene-α-olefin block copolymer by using the catalystJAPAN POLYPROPYLENE CORP·Filed 2007·Granted Mar 15, 2011·0 cites·15 claims
- 4146US2007260004A1Polypropylene Resin Composition And Process For Producing The SameJAPAN POLYPROPYLENE CORP·Filed 2005·Application pending·0 cites
- 4244US9902749B2Metallocene complex and olefin polymerization methodJAPAN POLYPROPYLENE CORP·Filed 2013·Granted Feb 27, 2018·0 cites·10 claims
- 4342US2009069171A1Catalysts for olefin polymerization, process for production of the catalysts, and method for preservation thereofJAPAN POLYPROPYLENE CORP·Filed 2006·Application pending·0 cites
- 4442US2019184625A1Decorative film and method for producing decorative molded body using sameJAPAN POLYPROPYLENE CORP·Filed 2017·Application pending·0 cites
- 4539US2015315365A1Fiber-reinforced polypropylene resin composition and molded article of sameJAPAN POLYPROPYLENE CORP·Filed 2013·Application pending·0 cites
- 4639US2011220851A1Dispersion of carbon nanotubes and nanoplatelets in polyolefinsJAPAN POLYPROPYLENE CORP·Filed 2010·Application pending·0 cites
- 4733US7189790B2Catalyst component for olefin polymerization, catalyst for α-olefin polymerization and process for the production of α-olefin polymerJAPAN POLYPROPYLENE CORP·Filed 2004·Granted Mar 13, 2007·2 cites·12 claims
- 4832US2007082185A1Multi-layered filmJAPAN POLYPROPYLENE CORP·Filed 2005·Application pending·0 cites
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