Inventor · disambiguated record
Shizuo Kitahara
Also filed as: KITAHARA SHIZUO
29 granted patents·16 pending applications·532 citations·filing 1982–2011
97Inventor score
Top patents by PatentIndex Score
45 records- 0194US4677153AMethod for modifying rubbersNIPPON ZEON CO·Filed 1986·Granted Jun 30, 1987·77 cites·12 claims
- 0294US4412041AProcess for modifying rubbers employing a compound containing a carboxyl and an aldehyde groupNIPPON ZEON CO·Filed 1983·Granted Oct 25, 1983·59 cites·15 claims
- 0393US4412031AModified rubber composition employing a compound containing a carboxyl and an aldehyde groupNIPPON ZEON CO·Filed 1983·Granted Oct 25, 1983·50 cites·32 claims
- 0490US4525541AMethod for modifying rubbersNIPPON ZEON CO·Filed 1983·Granted Jun 25, 1985·43 cites·28 claims
- 0586US4654435AProcess for addition reaction of unsaturated organic compoundsNIPPON ZEON CO·Filed 1983·Granted Mar 31, 1987·22 cites·14 claims
- 0685US7772326B2Block copolymer and method for producing sameZEON CORP·Filed 2005·Granted Aug 10, 2010·7 cites·11 claims
- 0784US7144959B2Modifier for hydrocarbon polymers, hydrocarbon polymer composition and moldingsZEON CORP·Filed 2003·Granted Dec 5, 2006·18 cites·10 claims
- 0882US5247009ARubber composition containing rubbery polymer and modified liquid polymerNIPPON ZEON CO·Filed 1989·Granted Sep 21, 1993·31 cites·18 claims
- 0979US7279533B2Polar-group-containing cyclized rubber and process for producing sameZEON CORP·Filed 2004·Granted Oct 9, 2007·12 cites·19 claims
- 1077US7267887B2Composite molding with adhesive composition layer comprising conjugated diene polymer having cyclic structure, and coating materialZEON CORP·Filed 2002·Granted Sep 11, 2007·19 cites·15 claims
- 1177US5043396ANovel crosslinked polymer having shape memorizing property, method of its use, and molded article having shape memoryNIPPON ZEON CO·Filed 1989·Granted Aug 27, 1991·30 cites·14 claims
- 1277US4704427AMethod for improving rubbersNIPPON ZEON CO·Filed 1986·Granted Nov 3, 1987·27 cites·15 claims
- 1376US8293373B2Oxygen-absorbing resin composition, oxygen-absorbing shaped article, packaging material and packaging containerKITAHARA SHIZUO·Filed 2008·Granted Oct 23, 2012·3 cites·15 claims
- 1474US6277929B1Polymerizable unsaturated compounds, curable resin compositions containing the same, and products of curing thereofVANTICO INC·Filed 1997·Granted Aug 21, 2001·26 cites·19 claims
- 1573US8293346B2Oxygen absorbent and oxygen-absorbing multi-layer bodyKITAHARA SHIZUO·Filed 2006·Granted Oct 23, 2012·2 cites·15 claims
- 1673US7776961B2Oxygen absorberZEON CORP·Filed 2004·Granted Aug 17, 2010·9 cites·10 claims
- 1764US8053051B2Oxygen-absorbing barrier resin composition, film comprising the same, multilayer structure, and packing containerZEON CORP·Filed 2006·Granted Nov 8, 2011·5 cites·6 claims
- 1864US5294233AAdditive for organic medium or thermoplastic polymerNIPPON ZEON CO·Filed 1991·Granted Mar 15, 1994·16 cites·13 claims
- 1960US5272212AColored spherical fine particles, process for production thereof and applications thereofNIPPON ZEON CO·Filed 1991·Granted Dec 21, 1993·12 cites·16 claims
- 2060US2008138549A1Oxygen-Absorbing Multilayer Film, Packaging Material Comprising the Same and Packaging ContainerZEON CORP·Filed 2005·Application pending·0 cites
- 2158US2008191178A1Organic particles and powder paintKITAHARA SHIZUO·Filed 2008·Application pending·0 cites
- 2257US2012067218A1Oxygen-absorbing multilayer sheet, packaging material comprising the same and packaging containerKITAHARA SHIZUO·Filed 2011·Application pending·0 cites
- 2356US5780399AOil-soluble polyester, additive for lubricating oil, and lubricating oil compositionNIPPON ZEON CO·Filed 1996·Granted Jul 14, 1998·14 cites·16 claims
- 2456US2009048397A1Oxygen-Absorbing Resin Compositions, Oxygen-Absorbing Film, and Oxygen-Absorbing Multilayer StructureZEON CORP·Filed 2006·Application pending·0 cites
- 2555US4424306AMethod for modifying cis-1,4-polyisoprene rubberNIPPON ZEON CO·Filed 1982·Granted Jan 3, 1984·10 cites·18 claims
- 2655US2008090042A1Oxygen-Absorbing Multilayer Sheet, Packaging Material Comprising the Same and Packaging ContainerZEON CORP·Filed 2005·Application pending·0 cites
- 2753US5723417AOil-soluble polyester, additive for lubricating oil, and lubricating oil compositionNIPPON ZEON CO·Filed 1996·Granted Mar 3, 1998·15 cites·17 claims
- 2852US2010187137A1Oxygen-Absorbable Resin Composition, Oxygen-Absorbable Barrier Resin Composition, Oxygen-Absorbable Molded Article, Packaging Material Comprising the Molded Article, and Packaging ContainerZEON CORP·Filed 2007·Application pending·0 cites
- 2949US2005065274A1Organic particles and powder coating materialFiled 2003·Application pending·0 cites
- 3048US2009041963A1Oxygen-absorbing gas barrier resin composition and oxygen-absorbing gas barrier structure comprising the sameZEON CORP·Filed 2006·Application pending·0 cites
- 3148US2009317573A1Oxygen absorbent, oxygen-absoring film and packaging containerZEON CORP·Filed 2006·Application pending·0 cites
- 3245US8147953B2Laminate and process for producing the sameKITAHARA SHIZUO·Filed 2004·Granted Apr 3, 2012·0 cites·10 claims
- 3345US5151333AMagnetic recording medium comprising a magnetic layer or backcoat layer containing a specified dispersantNIPPON ZEON CO·Filed 1990·Granted Sep 29, 1992·10 cites·10 claims
- 3445US2012279176A1Resin composition for a package subjected to heat sterilization, film for a package subjected to heat sterilization, and process for producing sameKITAHARA SHIZUO·Filed 2010·Application pending·0 cites
- 3543US2012067217A1Oxygen-absorbing multilayer film, packaging material comprising the same, and packaging containerKITAHARA SHIZUO·Filed 2011·Application pending·0 cites
- 3642US2005209412A1Modified polymer and coating materialKITAHARA SHIZUO·Filed 2003·Application pending·0 cites
- 3742US2005080199A1Rubber composition vulcanizable rubber composition and damping rubber vulcanizateFiled 2002·Application pending·0 cites
- 3841US2002193556A1Polyester and polymer modifier comprising the polyester as active ingredientFiled 2000·Application pending·0 cites
- 3940US2008014395A1Oxygen-Absorbing Multilayer Film, Packaging Material Comprising The Same And Packaging ContainerZEON CORP·Filed 2005·Application pending·0 cites
- 4039US2013030104A1Resin compositionZEON CORP·Filed 2011·Application pending·0 cites
- 4137US6037413APolyester, process for the production of the same, resin or rubber compositions containing the same, and moldings of the compositionsNIPPON ZEON CO·Filed 1997·Granted Mar 14, 2000·4 cites·8 claims
- 4236US5217839APreparation process of tonerNIPPON ZEON CO·Filed 1990·Granted Jun 8, 1993·4 cites·10 claims
- 4335US4542190ACis-1,4-polyisoprene rubber compositionNIPPON ZEON CO·Filed 1982·Granted Sep 17, 1985·2 cites·5 claims
- 4431US5372614ASludge dispersing agent for fuel oil and fuel oil composition containing the sameNIPPON ZEON CO·Filed 1993·Granted Dec 13, 1994·4 cites·8 claims
- 4529US5110886ACompatibilizing agent and polymer blend composition using the sameNIPPON ZEON CO·Filed 1991·Granted May 5, 1992·1 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when Shizuo Kitahara files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →