Inventor · disambiguated record
Ryoji Kojima
Also filed as: KOJIMA RYOJI
35 granted patents·12 pending applications·163 citations·filing 1988–2019
96Inventor score
Top patents by PatentIndex Score
47 records- 0197US8022132B2Rubber composition for studless tire and studless tireSUMITOMO RUBBER IND·Filed 2010·Granted Sep 20, 2011·16 cites·8 claims
- 0294US10071598B2Studless winter tireSUMITOMO RUBBER IND·Filed 2014·Granted Sep 11, 2018·11 cites·6 claims
- 0393US8426508B2Studless tireHATTORI TAKAYUKI·Filed 2009·Granted Apr 23, 2013·15 cites·8 claims
- 0492US8754158B2Studless tire for passenger vehicleHATTORI TAKAYUKI·Filed 2009·Granted Jun 17, 2014·13 cites·9 claims
- 0590US10189974B2TireSUMITOMO RUBBER IND·Filed 2016·Granted Jan 29, 2019·4 cites·2 claims
- 0690US8022121B2Rubber composition for studless tire and studless tireSUMITOMO RUBBER IND·Filed 2010·Granted Sep 20, 2011·13 cites·10 claims
- 0788US9132698B2Rubber composition for studless tire and studless tire using the sameKOJIMA RYOJI·Filed 2009·Granted Sep 15, 2015·11 cites·4 claims
- 0879US11261314B2Pneumatic tireSUMITOMO RUBBER IND·Filed 2018·Granted Mar 1, 2022·1 cites·7 claims
- 0979US9695302B2Rubber composition for studless winter tires, and studless winter tireKOJIMA RYOJI·Filed 2012·Granted Jul 4, 2017·2 cites·2 claims
- 1078US10336890B2Rubber composition for studless winter tires, and studless winter tireSUMITOMO RUBBER IND·Filed 2015·Granted Jul 2, 2019·1 cites·2 claims
- 1177US6032015AApparatus for printing on both sides of an image printing medium by one processHITACHI KOKI KK·Filed 1998·Granted Feb 29, 2000·23 cites·6 claims
- 1276US8329799B2Rubber composition for studless tire and studless tireKOJIMA RYOJI·Filed 2010·Granted Dec 11, 2012·2 cites·7 claims
- 1376US7838583B2Rubber composition for cap tread and pneumatic tire having cap tread using sameSUMITOMO RUBBER IND·Filed 2007·Granted Nov 23, 2010·2 cites·4 claims
- 1473US9190381B2Connection method, connection structure, insulating adhesive member, electronic component having adhesive member, and method for manufacturing sameDEXERIALS CORP·Filed 2012·Granted Nov 17, 2015·3 cites·10 claims
- 1569US5848323AApparatus for printing images on both sides of an image printing medium by one processHITACHI KOKI KK·Filed 1996·Granted Dec 8, 1998·18 cites·7 claims
- 1668US10808082B2Method for kneading a polymerSUMITOMO RUBBER IND·Filed 2019·Granted Oct 20, 2020·0 cites·9 claims
- 1765US8119721B2Tread rubber composition for studless tire and studless tireKIKUCHI NAOHIKO·Filed 2009·Granted Feb 21, 2012·1 cites·5 claims
- 1859US8859660B2Rubber composition for studless tire and studless tire using the sameHATTORI TAKAYUKI·Filed 2009·Granted Oct 14, 2014·0 cites·6 claims
- 1959US7524559B2Resin particle, conductive particle, and anisotropic conductive adhesive containing the sameSONY CHEM & INF DEVICE CORP·Filed 2007·Granted Apr 28, 2009·0 cites·3 claims
- 2058US7338710B2Resin particle, conductive particle and anisotropic conductive adhesive containing the sameSONY CHEMICALS & INFORMATION D·Filed 2003·Granted Mar 4, 2008·7 cites·13 claims
- 2157US7919560B2Rubber composition and studless tire obtained by using the rubber compositionSUMITOMO RUBBER IND·Filed 2008·Granted Apr 5, 2011·0 cites·8 claims
- 2256US2010078853A1Method of manufacturing studless tireKOJIMA RYOJI·Filed 2009·Application pending·0 cites
- 2355US8567462B2Rubber composition for studless tire and studless tireKOJIMA RYOJI·Filed 2011·Granted Oct 29, 2013·0 cites·10 claims
- 2455US2018118896A1Polymer ready for introduction into kneading machineSUMITOMO RUBBER IND·Filed 2017·Application pending·0 cites
- 2554US8592510B2Rubber composition for studless tire and studless tire using thereofKIKUCHI NAOHIKO·Filed 2008·Granted Nov 26, 2013·0 cites·4 claims
- 2651US2010184908A1Rubber composition for tread used for studless tire and studless tire having tread using thereofSUMITOMO RUBBER INDUSRIES LTD·Filed 2008·Application pending·0 cites
- 2751US2013281610A1Rubber composition for tread and pneumatic tire using the same for treadSUMITOMO RUBBER IND·Filed 2013·Application pending·0 cites
- 2849US9657121B2Rubber composition for tire, tire member, method for producing biomass-derived rubber, and pneumatic tireSUMITOMO RUBBER IND·Filed 2013·Granted May 23, 2017·0 cites·10 claims
- 2949US4777499AMethod and apparatus for image recordingHITACHI LTD·Filed 1988·Granted Oct 11, 1988·8 cites·14 claims
- 3048US8293844B2Rubber composition for cap tread and studless tireKOJIMA RYOJI·Filed 2010·Granted Oct 23, 2012·0 cites·4 claims
- 3145US2012259038A1Rubber composition for cap tread and winter tireKOJIMA RYOJI·Filed 2012·Application pending·0 cites
- 3243US10967677B2Pneumatic tireSUMITOMO RUBBER IND·Filed 2017·Granted Apr 6, 2021·0 cites·4 claims
- 3343US9879109B2Rubber composition for tires, tire member, and pneumatic tireSUMITOMO RUBBER IND·Filed 2013·Granted Jan 30, 2018·0 cites·18 claims
- 3443US2012048437A1Rubber composition for tire, production method thereof, and studless tireKOJIMA RYOJI·Filed 2011·Application pending·0 cites
- 3542US8791197B2Rubber composition for winter tire, and winter tireKOJIMA RYOJI·Filed 2012·Granted Jul 29, 2014·0 cites·1 claims
- 3642US2017313859A1Process for preparing vulcanized rubber composition, vulcanized rubber composition and studless tire using sameSUMITOMO RUBBER IND·Filed 2015·Application pending·0 cites
- 3742US2011112214A1Rubber composition for cap tread and studless tireKOJIMA RYOJI·Filed 2010·Application pending·0 cites
- 3841US10494515B2Process for preparing vulcanized rubber composition, vulcanized rubber composition and studless tire using sameSUMITOMO RUBBER IND·Filed 2015·Granted Dec 3, 2019·0 cites·17 claims
- 3941US9318353B2Method of manufacturing connection structureKOJIMA RYOJI·Filed 2012·Granted Apr 19, 2016·0 cites·9 claims
- 4041US2019062531A1Pneumatic tireKRATON CHEMICAL LLC·Filed 2017·Application pending·0 cites
- 4140US2015247027A1Studless winter tireSUMITOMO RUBBER IND·Filed 2015·Application pending·0 cites
- 4238US5773213AMethod for conducting sequential nucleic acid hybridization stepsBRIGHAM & WOMENS HOSPITAL·Filed 1994·Granted Jun 30, 1998·6 cites·17 claims
- 4338US4977415AElectrostatic recording head, image recording apparatus, developing agent supplying device, display device and method of producing electrostatic recording headHITACHI LTD·Filed 1989·Granted Dec 11, 1990·4 cites·29 claims
- 4437US2017313860A1Process for preparing vulcanized rubber composition, vulcanized rubber composition and studless tire using sameSUMITOMO RUBBER IND·Filed 2015·Application pending·0 cites
- 4537US2015329716A1Studless winter tireSUMITOMO RUBBER IND·Filed 2015·Application pending·0 cites
- 4630US5144343AImage recording method and apparatusHITACHI LTD·Filed 1990·Granted Sep 1, 1992·2 cites·6 claims
- 4727US5021810APrinting machineHITACHI LTD·Filed 1990·Granted Jun 4, 1991·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →