Inventor · disambiguated record
Tetsuji Kawazura
Also filed as: KAWAZURA TETSUJI
50 granted patents·12 pending applications·1,429 citations·filing 1990–2011
99Inventor score
Top patents by PatentIndex Score
62 records- 0197US6062283APneumatic tire made by using lowly permeable thermoplastic elastomer composition in gas-barrier layer and thermoplastic elastomer composition for use thereinYOKOHAMA RUBBER CO LTD·Filed 1997·Granted May 16, 2000·134 cites·2 claims
- 0297US5910544AThermoplastic elastomer composition and process for production thereof and low permeability hose using the sameYOKOHAMA RUBBER CO LTD·Filed 1996·Granted Jun 8, 1999·188 cites·20 claims
- 0396US6538066B2Thermoplastic elastomer composition and process for producing the same and pneumatic tire and hose using the sameYOKOHAMA RUBBER CO LTD·Filed 2001·Granted Mar 25, 2003·53 cites·4 claims
- 0496US6179008B1Thermoplastic elastomer composition, process for the preparation there of, hose made by using the composition, and process for the production thereofYOKOHAMA RUBBER CO LTD·Filed 1997·Granted Jan 30, 2001·138 cites·38 claims
- 0596US6079465APolymer composition for tire and pneumatic tire using sameYOKOHAMA RUBBER CO LTD·Filed 1996·Granted Jun 27, 2000·132 cites·5 claims
- 0695US6397912B1Pneumatic tire with colored thermoplastic elastomer layer adjacent a black-concealing layerYOKOHAMA RUBBER CO LTD·Filed 2000·Granted Jun 4, 2002·55 cites·7 claims
- 0794US6334919B1Polymer composition for tire and pneumatic tire using sameYOKOHAMA RUBBER CO LTD·Filed 1999·Granted Jan 1, 2002·87 cites·2 claims
- 0893US6359071B1Thermoplastic elastomer composition, process for producing the same, and pneumatic tire and hose made with the sameYOKOHAMA RUBBER CO LTD·Filed 1999·Granted Mar 19, 2002·60 cites·8 claims
- 0993US5679728ASurface-treated carbon black and rubber composition containing sameYOKOHAMA RUBBER CO LTD·Filed 1995·Granted Oct 21, 1997·107 cites·12 claims
- 1091US7772325B2Thermoplastic elastomer compositionYOKOHAMA RUBBER CO LTD·Filed 2009·Granted Aug 10, 2010·11 cites·8 claims
- 1190US7754819B2Thermoplastic elastomerYOKOHAMA RUBBER CO LTD·Filed 2005·Granted Jul 13, 2010·13 cites·16 claims
- 1289US7196144B2Process for modification of polymerYOKOHAMA RUBBER CO LTD·Filed 2005·Granted Mar 27, 2007·11 cites·7 claims
- 1388US6861470B2Thermoplastic elastomer composition and process for producing the same and pneumatic tire and hose using the sameYOKOHAMA RUBBER CO LTD·Filed 2003·Granted Mar 1, 2005·21 cites·2 claims
- 1487US6191247B1Polysiloxane composition having superior storage stability and rubber composition containing sameYOKOHAMA RUBBER CO LTD·Filed 1997·Granted Feb 20, 2001·49 cites·5 claims
- 1586US6355728B1Block copolymer rubber composition comprising the same and pneumatic tire made therefromYOKOHAMA RUBBER CO LTD·Filed 2000·Granted Mar 12, 2002·22 cites·10 claims
- 1682US6077899AProcess for production of rubber compositionYOKOHAMA RUBBER CO LTD·Filed 1996·Granted Jun 20, 2000·38 cites·15 claims
- 1780US7956134B2Modified butyl rubber compositionYOKOHAMA RUBBER CO LTD·Filed 2008·Granted Jun 7, 2011·3 cites·5 claims
- 1878US6653409B2Radical-modified polymer and polymer composition containing the sameYOKOHAMA RUBBER CO LTD·Filed 2002·Granted Nov 25, 2003·14 cites·12 claims
- 1977US8557926B2Method for producing modified polymerKAWAZURA TETSUJI·Filed 2011·Granted Oct 15, 2013·7 cites·16 claims
- 2077US8293827B2Method for producing a rubber compositionMATSUDA TAKASHI·Filed 2009·Granted Oct 23, 2012·2 cites·20 claims
- 2177US7019086B2Process for producing modified polymerYOKOHAMA RUBBER CO LTD·Filed 2003·Granted Mar 28, 2006·9 cites·5 claims
- 2275US6313213B1Rubber composition for tire treadYOKOHAMA RUBBER CO LTD·Filed 2000·Granted Nov 6, 2001·13 cites·5 claims
- 2374US7589155B2Modified butyl rubber compositionYOKOHAMA RUBBER CO LTD·Filed 2006·Granted Sep 15, 2009·2 cites·18 claims
- 2472US7700695B2Modified butyl rubber compositionYOKOHAMA RUBBER CO LTD·Filed 2008·Granted Apr 20, 2010·2 cites·6 claims
- 2572US6642291B2Viscoelasticity improving agent for rubber and rubber composition containing the sameYOKOHAMA RUBBER CO LTD·Filed 2001·Granted Nov 4, 2003·8 cites·8 claims
- 2671US5266620ARubber compositionYOKOHAMA RUBBER CO LTD·Filed 1992·Granted Nov 30, 1993·23 cites·5 claims
- 2769US6525110B1Polysiloxane-containing rubber compositionYOKOHAMA RUBBER CO LTD·Filed 2000·Granted Feb 25, 2003·5 cites·2 claims
- 2869US6180717B1Block copolymer and rubber composition and pneumatic tire containing the sameYOKOHAMA RUBBER CO LTD·Filed 1997·Granted Jan 30, 2001·19 cites·7 claims
- 2969US5883179ARubber composition comprising carbon black surface treated with silicaYOKOHAMA RUBBER CO LTD·Filed 1996·Granted Mar 16, 1999·28 cites·9 claims
- 3069US5738158APneumatic tire with air permeation prevention layerYOKOHAMA RUBBER CO LTD·Filed 1996·Granted Apr 14, 1998·36 cites·10 claims
- 3166US8310813B2Sealing material for electrolytic capacitor and electrolytic capacitor employing the sealing materialFUJITA HIROAKI·Filed 2008·Granted Nov 13, 2012·1 cites·23 claims
- 3266US7812096B2Modification method of polymerYOKOHAMA RUBBER CO LTD·Filed 2006·Granted Oct 12, 2010·1 cites·8 claims
- 3366US6809157B2Thermoplastic polymer and thermoplastic elastomer compositionYOKOHAMA RUBBER CO LTD·Filed 2001·Granted Oct 26, 2004·7 cites·6 claims
- 3466US6337361B1Polysiloxane-containing rubber compositionYOKOHAMA RUBBER CO LTD·Filed 2000·Granted Jan 8, 2002·4 cites·6 claims
- 3566US5252405ARubber composition for coating steel cords and rubber product using the sameYOKOHAMA RUBBER CO LTD·Filed 1992·Granted Oct 12, 1993·25 cites·11 claims
- 3665US8034868B2Rubber composition containing modified conjugated diene-based polymer bonded to fullereneYOKOHAMA RUBBER CO LTD·Filed 2009·Granted Oct 11, 2011·0 cites·12 claims
- 3760US6020068AProcess for the production of surface-treated carbon black for the reinforcement of rubbersYOKOHAMA RUBBER CO LTD·Filed 1997·Granted Feb 1, 2000·13 cites·7 claims
- 3858US5173135ARadial tire for pssenger cars with sidewall rubber including electrically conductive carbon blackYOKOHAMA RUBBER CO LTD·Filed 1991·Granted Dec 22, 1992·19 cites·1 claims
- 3958US2008146737A1Thermoplastic elastomer compositionYOKOHAMA RUBBER CO LTD·Filed 2007·Application pending·0 cites
- 4055US7144943B2Process for production of modified carbon black for rubber reinforcement and process of production of rubber composition containing modified carbon blackYOKOHAMA RUBBER CO LTD·Filed 2003·Granted Dec 5, 2006·3 cites·8 claims
- 4154US6652641B2Process for production of modified carbon black for rubber reinforcement and rubber composition containing modified carbon blackYOKOHAMA RUBBER CO LTD·Filed 1999·Granted Nov 25, 2003·11 cites·7 claims
- 4254US5834552ARubber composition and process for producing thereofYOKOHAMA RUBBER CO LTD·Filed 1997·Granted Nov 10, 1998·19 cites·6 claims
- 4353US7538161B2Production and bonding method of elastomer compositionYOKOHAMA RUBBER CO LTD·Filed 2004·Granted May 26, 2009·0 cites·6 claims
- 4453US2009292044A1Modified diene-based rubber and rubber composition containing the sameYOKOHAMA RUBBER CO LTD·Filed 2007·Application pending·0 cites
- 4553US2006135703A1Modified polymer having organic group derived from compound having mono-nitroxide free radicalYOKOHAMA RUBBER CO LTD·Filed 2005·Application pending·0 cites
- 4651US6177505B1Polysiloxane-containing rubber compositionYOKOHAMA RUBBER CO LTD·Filed 1996·Granted Jan 23, 2001·8 cites·17 claims
- 4750US5852089ARubber composition for tire treadsYOKOHAMA RUBBER CO LTD·Filed 1993·Granted Dec 22, 1998·8 cites·7 claims
- 4850US2009156728A1Modified butyl rubber compositionYOKOHAMA RUBBER CO LTD·Filed 2008·Application pending·0 cites
- 4950US2010120956A1Method for Production of Natural RubberYOKOHAMA RUBBER CO LTD·Filed 2008·Application pending·0 cites
- 5049US7282542B2Modification method of polymerYOKOHAMA RUBBER CO LTD·Filed 2006·Granted Oct 16, 2007·0 cites·5 claims
Showing the top 50 of 62 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →