Inventor · disambiguated record
Yoshitaka Kojima
Also filed as: KOJIMA YOSHITAKA
35 granted patents·17 pending applications·794 citations·filing 1982–2024
98Inventor score
Top patents by PatentIndex Score
52 records- 0196US12165430B2Detection deviceJAPAN DISPLAY INC·Filed 2023·Granted Dec 10, 2024·4 cites·16 claims
- 0294US5630314AThermal stress relaxation type ceramic coated heat-resistant elementHITACHI LTD·Filed 1994·Granted May 20, 1997·84 cites·2 claims
- 0393US5840434AThermal stress relaxation type ceramic coated heat-resistant element and method for producing the sameHITACHI LTD·Filed 1996·Granted Nov 24, 1998·85 cites·20 claims
- 0490US4873150AHigh water-resistant member, and valve gear using the same for use in internal combustion engineHITACHI LTD·Filed 1987·Granted Oct 10, 1989·63 cites·37 claims
- 0588US12035476B2Detection deviceJAPAN DISPLAY INC·Filed 2022·Granted Jul 9, 2024·1 cites·10 claims
- 0687US8460799B2High-temperature resistant component and gas turbine hot partARIKAWA HIDEYUKI·Filed 2010·Granted Jun 11, 2013·5 cites·22 claims
- 0784US8801373B2High-reliability turbine metal sealing materialKOJIMA YOSHITAKA·Filed 2010·Granted Aug 12, 2014·4 cites·4 claims
- 0884US6521293B1Method for producing a ceramic-coated blade of gas turbineHITACHI LTD·Filed 2000·Granted Feb 18, 2003·27 cites·3 claims
- 0983US5852266AVacuum circuit breaker as well as vacuum valve and electric contact used in sameHITACHI LTD·Filed 1997·Granted Dec 22, 1998·32 cites·10 claims
- 1082US5209645ACeramics-coated heat resisting alloy memberHITACHI LTD·Filed 1990·Granted May 11, 1993·58 cites·35 claims
- 1181US9822659B2Gas turbine with honeycomb sealMITSUBISHI HITACHI POWER SYS·Filed 2014·Granted Nov 21, 2017·8 cites·5 claims
- 1280US4966820ACeramics-coated heat resisting alloy memberHITACHI LTD·Filed 1989·Granted Oct 30, 1990·42 cites·13 claims
- 1377US5507623AAlloy-coated gas turbine blade and manufacturing method thereofHITACHI LTD·Filed 1994·Granted Apr 16, 1996·39 cites·15 claims
- 1475US6452101B1Multi-core conductive wire and a method of manufacturing the sameHITACHI LTD·Filed 1999·Granted Sep 17, 2002·32 cites·10 claims
- 1574US8485788B2Rotor for steam turbine and method of manufacturing the sameARIKAWA HIDEYUKI·Filed 2006·Granted Jul 16, 2013·3 cites·3 claims
- 1674US5756130AStamper for producing recording mediumHITACI MAXELL LTD·Filed 1994·Granted May 26, 1998·37 cites·4 claims
- 1774US5557083AVacuum circuit breaker and electric contactHITACHI LTD·Filed 1994·Granted Sep 17, 1996·22 cites·31 claims
- 1873US5203984AMonitoring system for plant operation condition and its in-situ electrochemical electrodeHITACHI LTD·Filed 1990·Granted Apr 20, 1993·40 cites·16 claims
- 1971US6248969B1Vacuum circuit breaker, and vacuum bulb and vacuum bulb electrode used thereforHITACHI LTD·Filed 1998·Granted Jun 19, 2001·24 cites·14 claims
- 2069US7901790B2High temperature component with thermal barrier coating and gas turbine using the sameHITACHI LTD·Filed 2005·Granted Mar 8, 2011·6 cites·18 claims
- 2169US6042951ACeramic-coated blade of gas turbine and method of producing sameHITACHI LTD·Filed 1998·Granted Mar 28, 2000·30 cites·3 claims
- 2268US6048216AVacuum circuit breaker as well as vacuum valve and electric contact used in sameHITACHI LTD·Filed 1998·Granted Apr 11, 2000·18 cites·3 claims
- 2363US5697150AMethod forming an electric contact in a vacuum circuit breakerHITACHI LTD·Filed 1995·Granted Dec 16, 1997·17 cites·9 claims
- 2462US2025008759A1Detection deviceJAPAN DISPLAY INC·Filed 2024·Application pending·0 cites
- 2561US5545484AHeat and oxidation resistive high strength material and its production methodHITACHI LTD·Filed 1994·Granted Aug 13, 1996·16 cites·41 claims
- 2659US2010227180A1Coating material for metallic base material surfaceBABCOCK HITACHI KK·Filed 2009·Application pending·0 cites
- 2758US5691521AVacuum circuit breaker with improved contact assemblyHITACHI LTD·Filed 1995·Granted Nov 25, 1997·16 cites·12 claims
- 2858US4486462AMethod for coating by glow dischargeHITACHI LTD·Filed 1982·Granted Dec 4, 1984·14 cites·17 claims
- 2957US2014064939A1High-reliablity turbine metal sealing materialKOJIMA YOSHITAKA·Filed 2013·Application pending·0 cites
- 3056US2008261069A1High temperature component with thermal barrier coatingHITACHI LTD·Filed 2008·Application pending·0 cites
- 3156US2023301125A1Detection deviceJAPAN DISPLAY INC·Filed 2023·Application pending·0 cites
- 3255US2014112758A1High Temperature Components With Thermal Barrier Coatings for Gas TurbineHITACHI LTD·Filed 2013·Application pending·0 cites
- 3354US2013323069A1Turbine Blade for Industrial Gas Turbine and Industrial Gas TurbineUNIV HOKKAIDO NAT UNIV CORP·Filed 2013·Application pending·0 cites
- 3454US2011165334A1Coating material for metallic base material surfaceBABCOCK HITACHI KK·Filed 2011·Application pending·0 cites
- 3553US5242264AMachine on ground provided with heat resistant wall used for isolating from environment and heat resistant wall used thereforHITACHI LTD·Filed 1990·Granted Sep 7, 1993·16 cites·12 claims
- 3653US2009117282A1Diffusion aluminide coating processARIKAWA HIDEYUKI·Filed 2007·Application pending·0 cites
- 3751US5009070ACombustion apparatus for gas turbineHITACHI LTD·Filed 1987·Granted Apr 23, 1991·20 cites·5 claims
- 3850US7449251B2Heat resistant article having thermal barrier coatingHITACHI LTD·Filed 2004·Granted Nov 11, 2008·3 cites·20 claims
- 3948US2012159952A1Gas turbine component having thermal barrier coating and a gas turbine using the componentARIKAWA HIDEYUKI·Filed 2011·Application pending·0 cites
- 4047US9732411B2Method for manufacturing gas turbine blade, and gas turbine bladeMITSUBISHI HITACHI POWER SYS·Filed 2014·Granted Aug 15, 2017·0 cites·4 claims
- 4147US7162354B2Apparatus and method for determining date of gas turbine washingHITACHI LTD·Filed 2004·Granted Jan 9, 2007·8 cites·15 claims
- 4246US4777396ARotor of induction motorHITACHI LTD·Filed 1987·Granted Oct 11, 1988·12 cites·32 claims
- 4345US7286966B2Rotation planning apparatus and rotation planning systemHITACHI LTD·Filed 2003·Granted Oct 23, 2007·7 cites·10 claims
- 4444US8656723B2Operation control method for gas turbine and operation controller for gas turbineHARUYAMA HIROSHI·Filed 2009·Granted Feb 25, 2014·1 cites·14 claims
- 4542US2014017511A1Thermal barrier coating for industrial gas turbine blade, and industrial gas turbine using the sameUNIV HOKKAIDO NAT UNIV CORP·Filed 2013·Application pending·0 cites
- 4641US2008172267A1Rotation Planning Apparatus and Rotation Planning SystemHITACHI LTD·Filed 2007·Application pending·0 cites
- 4740US8008028B2Panel cell used for granulocyte antibody detectionJAPAN RED CROSS·Filed 2007·Granted Aug 30, 2011·0 cites·11 claims
- 4840US2016024637A1Method for Forming Aluminide Coating Film on Base MaterialHITACHI LTD·Filed 2013·Application pending·0 cites
- 4938US2010278645A1Seal Structure and Control Method ThereforHITACHI LTD·Filed 2010·Application pending·0 cites
- 5037US2012084981A1Method of working cooling hole of turbine bladeARIKAWA HIDEYUKI·Filed 2011·Application pending·0 cites
Showing the top 50 of 52 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →