Inventor · disambiguated record
Shojiro Kaita
Also filed as: KAITA SHOJIRO
47 granted patents·9 pending applications·179 citations·filing 1999–2021
97Inventor score
Top patents by PatentIndex Score
56 records- 0195US8962743B2Copolymer of conjugated diene compound and non-conjugated olefin, rubber composition and tireKAITA SHOJIRO·Filed 2011·Granted Feb 24, 2015·12 cites·12 claims
- 0292US8962744B2Copolymer, rubber composition, crosslinked rubber composition and tireHORIKAWA YASUO·Filed 2012·Granted Feb 24, 2015·8 cites·13 claims
- 0391US8653290B2Metallocene complex and polymerization catalyst composition containing the sameKAITA SHOJIRO·Filed 2007·Granted Feb 18, 2014·15 cites·14 claims
- 0490US10087312B2Rubber composition and tire containing rubber compositionBRIDGESTONE CORP·Filed 2017·Granted Oct 2, 2018·2 cites·4 claims
- 0589US10131722B2Method for preparing terminal-modified conjugated diene polymer, terminal-modified conjugated diene polymer, rubber composition and tireBRIDGESTONE CORP·Filed 2015·Granted Nov 20, 2018·4 cites·7 claims
- 0689US10053530B2Method for producing a multicomponent copolymerBRIDGESTONE CORP·Filed 2015·Granted Aug 21, 2018·4 cites·11 claims
- 0789US9056936B2Copolymer of a conjugated diene compound and a non-conjugated olefin, rubber composition, crosslinked rubber composition, and tireHORIKAWA YASUO·Filed 2011·Granted Jun 16, 2015·6 cites·11 claims
- 0888US11472907B2Polymerization catalyst composition, polymer manufacturing method, polymer, rubber composition, and tireBRIDGESTONE CORP·Filed 2018·Granted Oct 18, 2022·2 cites·10 claims
- 0988US9074035B2Copolymer of conjugated diene compound and non-conjugated olefin, rubber composition, cross-linked rubber composition and tireKAITA SHOJIRO·Filed 2011·Granted Jul 7, 2015·7 cites·14 claims
- 1087US9670302B2Copolymer, rubber composition, crosslinked rubber composition, and tireHORIKAWA YASUO·Filed 2011·Granted Jun 6, 2017·4 cites·20 claims
- 1187US9181376B2Copolymer, rubber composition, crosslinked rubber composition, and tireHORIKAWA YASUO·Filed 2011·Granted Nov 10, 2015·6 cites·16 claims
- 1286US9139680B2Copolymer, rubber composition, crosslinked rubber composition, and tireHORIKAWA YASUO·Filed 2012·Granted Sep 22, 2015·4 cites·15 claims
- 1385US9365666B2Polymerization catalyst composition, method for producing synthetic polyisoprene, and synthetic polyisopreneBRIDGESTONE CORP·Filed 2013·Granted Jun 14, 2016·5 cites·5 claims
- 1485US9266978B2Copolymer and method of manufacturing the sameKAITA SHOJIRO·Filed 2011·Granted Feb 23, 2016·5 cites·19 claims
- 1584US8163860B2Norbornene copolymer and production method thereofKAITA SHOJIRO·Filed 2010·Granted Apr 24, 2012·5 cites·14 claims
- 1682US8987347B2Copolymer of conjugated diene compound and non-conjugated olefin, rubber composition, rubber composition for tire tread, crosslinked rubber composition, and tireHORIKAWA YASUO·Filed 2012·Granted Mar 24, 2015·2 cites·22 claims
- 1778US9212274B2Rubber composition, rubber composition for tire side use, crosslinked rubber composition and tireMATSUSHITA JUNKO·Filed 2012·Granted Dec 15, 2015·2 cites·19 claims
- 1878US8507627B2Aromatic vinyl compound-conjugated diene compound copolymer and method of producing the same as well as rubber composition and tireNAKAGAWA RYUJI·Filed 2009·Granted Aug 13, 2013·4 cites·9 claims
- 1977US9701776B2Copolymer, rubber composition, crosslinked rubber composition and tireHORIKAWA YASUO·Filed 2012·Granted Jul 11, 2017·2 cites·13 claims
- 2073US10239964B2Method for manufacturing conjugated diene polymer, conjugated diene polymer, rubber composition, and tireBRIDGESTONE CORP·Filed 2015·Granted Mar 26, 2019·1 cites·10 claims
- 2170US12084536B2Polybutadiene, method of producing polybutadiene, polybutadiene composition, tire, and resin memberBRIDGESTONE CORP·Filed 2019·Granted Sep 10, 2024·0 cites·16 claims
- 2269US6683140B2Catalyst for polymerizationRIKEN·Filed 2001·Granted Jan 27, 2004·9 cites·14 claims
- 2368US9796801B2Polymerization catalyst composition, method for producing synthetic polyisoprene, and synthetic polyisopreneBRIDGESTONE CORP·Filed 2014·Granted Oct 24, 2017·1 cites·4 claims
- 2468US7196031B2Catalyst compositionRIKEN·Filed 2002·Granted Mar 27, 2007·7 cites·17 claims
- 2568US7148299B2Polymerization catalystRIKEN·Filed 2003·Granted Dec 12, 2006·8 cites·7 claims
- 2668US6730736B1Alicyclyc structure-containing resin compositionNIPPON ZEON CO·Filed 1999·Granted May 4, 2004·23 cites·18 claims
- 2766US8969496B2Method for controlling chain structure of copolymerKAITA SHOJIRO·Filed 2011·Granted Mar 3, 2015·4 cites·9 claims
- 2864US8853339B2Method for producing copolymerKAITA SHOJIRO·Filed 2010·Granted Oct 7, 2014·3 cites·11 claims
- 2961US12247091B2Laminate and productBRIDGESTONE CORP·Filed 2021·Granted Mar 11, 2025·0 cites·13 claims
- 3060US7919571B2Polybutadiene as well as rubber composition using the same and tireBRIDGESTONE CORP·Filed 2008·Granted Apr 5, 2011·6 cites·6 claims
- 3160US7511108B2Pneumatic tireBRIDGESTONE CORP·Filed 2004·Granted Mar 31, 2009·7 cites·7 claims
- 3258US12152096B2Method for manufacturing copolymerBRIDGESTONE CORP·Filed 2020·Granted Nov 26, 2024·0 cites·9 claims
- 3358US2015080525A1Rubber composition and tire containing rubber compositionBRIDGESTONE CORP·Filed 2013·Application pending·0 cites
- 3457US10875937B2Terminal-modified conjugated diene polymer, rubber composition and rubber articleBRIDGESTONE CORP·Filed 2017·Granted Dec 29, 2020·0 cites·10 claims
- 3557US7230053B2Golf ballBRIDGESTONE SPORTS CO LTD·Filed 2004·Granted Jun 12, 2007·7 cites·4 claims
- 3656US9540464B2Polymer and method for producing same, rubber composition containing polymer, and tire having rubber compositionBRIDGESTONE CORP·Filed 2013·Granted Jan 10, 2017·0 cites·8 claims
- 3756US9499647B2Polymer, rubber composition containing polymer, crosslinked rubber composition obtained by crosslinking rubber composition, and tire having crosslinked rubber compositionBRIDGESTONE CORP·Filed 2013·Granted Nov 22, 2016·0 cites·8 claims
- 3855US10793658B2Multi-component copolymer, rubber composition, crosslinked rubber composition, rubber product, and tireBRIDGESTONE CORP·Filed 2016·Granted Oct 6, 2020·0 cites·16 claims
- 3954US6960631B2Catalyst composition and process for producing copolymerRIKEN·Filed 2001·Granted Nov 1, 2005·4 cites·17 claims
- 4052US9777101B2Isoprene copolymer and method of producing the sameBRIDGESTONE CORP·Filed 2013·Granted Oct 3, 2017·0 cites·5 claims
- 4152US9284384B2Method for producing polymerization catalyst composition, polymerization catalyst composition, method for producing polymer composition, and polymer compositionBRIDGESTONE CORP·Filed 2013·Granted Mar 15, 2016·0 cites·4 claims
- 4251US10875952B2Multi-component copolymer, rubber composition, crosslinked rubber composition, rubber product and tireBRIDGESTONE CORP·Filed 2016·Granted Dec 29, 2020·0 cites·19 claims
- 4350US9714338B2Method for manufacturing polymer composition and the polymer compositionBRIDGESTONE CORP·Filed 2013·Granted Jul 25, 2017·0 cites·12 claims
- 4448US11279785B2Production method for copolymer, copolymer, rubber composition, and tireBRIDGESTONE CORP·Filed 2018·Granted Mar 22, 2022·0 cites·16 claims
- 4548US9938362B2Isoprene polymerization catalyst composition, method for producing synthetic polyisoprene, and synthetic polyisopreneBRIDGESTONE CORP·Filed 2014·Granted Apr 10, 2018·0 cites·5 claims
- 4647US2019375923A1Method of producing modified conjugated diene-based polymer, modified conjugated diene-based polymer, rubber composition and tireBRIDGESTONE CORP·Filed 2019·Application pending·0 cites
- 4746US9688798B2Method for manufacturing a hydroxy group terminated olefin or conjugated diene polymerKAITA SHOJIRO·Filed 2012·Granted Jun 27, 2017·0 cites·5 claims
- 4844US2014005321A1Copolymer, rubber composition, rubber composition for tire side use, crosslinked rubber composition and tireHORIKAWA YASUO·Filed 2012·Application pending·0 cites
- 4943US9346907B2Method for producing copolymerBRIDGESTONE CORP·Filed 2014·Granted May 24, 2016·0 cites·8 claims
- 5043US2009264608A1Method for producing norbornene based addition (co)polymerUNIV NIHON·Filed 2005·Application pending·0 cites
Showing the top 50 of 56 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Shojiro Kaita 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 →