Inventor · disambiguated record
Kohei Hasegawa
Also filed as: HASEGAWA KOHEI
42 granted patents·16 pending applications·199 citations·filing 1990–2023
97Inventor score
Top patents by PatentIndex Score
58 records- 0198US10196727B2High strength galvanized steel sheet having excellent bendability and weldability, and method of manufacturing the sameJFE STEEL CORP·Filed 2015·Granted Feb 5, 2019·6 cites·4 claims
- 0297US8828557B2High strength galvanized steel sheet having excellent formability, weldability, and fatigue properties and method for manufacturing the sameTAKAGI SHUSAKU·Filed 2010·Granted Sep 9, 2014·23 cites·18 claims
- 0396US10174396B2High-strength cold-rolled steel sheet and method for manufacturing the same (as amended)JFE STEEL CORP·Filed 2015·Granted Jan 8, 2019·9 cites·4 claims
- 0494US10156005B2High-yield-ratio, high-strength cold rolled steel sheet and production method thereforJFE STEEL CORP·Filed 2014·Granted Dec 18, 2018·8 cites·12 claims
- 0591US10941471B2High-strength steel sheet, high-strength galvanized steel sheet, method for manufacturing high-strength steel sheet, and method for manufacturing high-strength galvanized steel sheetJFE STEEL CORP·Filed 2016·Granted Mar 9, 2021·2 cites·16 claims
- 0691US10084442B2Semiconductor deviceTOSHIBA KK·Filed 2017·Granted Sep 25, 2018·10 cites·16 claims
- 0791US9057123B2Hot-rolled steel sheet and method for producing sameJFE STEEL CORP·Filed 2012·Granted Jun 16, 2015·6 cites·12 claims
- 0888US7919194B2High strength steel sheet having superior ductilityJFE STEEL CORP·Filed 2009·Granted Apr 5, 2011·8 cites·10 claims
- 0987US10077486B2High-strength cold-rolled steel sheet and method of manufacturing the sameJFE STEEL CORP·Filed 2014·Granted Sep 18, 2018·3 cites·21 claims
- 1084US9806706B2Switching unit and power supply circuitTOSHIBA KK·Filed 2016·Granted Oct 31, 2017·5 cites·17 claims
- 1183US9145594B2Method for manufacturing ultra high strength memberTOJI YUKI·Filed 2011·Granted Sep 29, 2015·4 cites·2 claims
- 1282US9574254B2Hot-rolled steel sheet and method for producing sameJFE STEEL CORP·Filed 2012·Granted Feb 21, 2017·2 cites·8 claims
- 1381US8389128B2High tensile-strength galvanized steel sheet and process for manufacturing high tensile-strength galvanized steel sheetTAKAGI SHUSAKU·Filed 2008·Granted Mar 5, 2013·5 cites·7 claims
- 1480US10253389B2High-yield-ratio, high-strength cold-rolled steel sheet and production method thereforJFE STEEL CORP·Filed 2015·Granted Apr 9, 2019·1 cites·16 claims
- 1579US9941874B2Switching unit and power supply circuitTOSHIBA KK·Filed 2017·Granted Apr 10, 2018·3 cites·19 claims
- 1677US10435762B2High-yield-ratio high-strength cold-rolled steel sheet and method of producing the sameJFE STEEL CORP·Filed 2015·Granted Oct 8, 2019·1 cites·8 claims
- 1776US8668789B2Method for manufacturing of high strength cold rolled steel sheet of excellent phosphatabilityHIRASAWA JUNICHIRO·Filed 2010·Granted Mar 11, 2014·2 cites·20 claims
- 1874US9090952B2High-strength cold-rolled steel sheet and method for producing the sameMAKIMIZU YOICHI·Filed 2010·Granted Jul 28, 2015·1 cites·16 claims
- 1966US5075622ASheet thickness measuring apparatus with magnetic and optical sensorsSUMITOMO HEAVY INDUSTRIES·Filed 1990·Granted Dec 24, 1991·32 cites·4 claims
- 2064US12306265B2Diagnostic apparatus, diagnostic system and diagnostic method of electric power converter and non-transitory storage mediumTOSHIBA KK·Filed 2022·Granted May 20, 2025·0 cites·11 claims
- 2163US2009223607A1Method for manufacturing a high strength steel sheetJFE STEEL CORP·Filed 2009·Application pending·0 cites
- 2261US7507307B2Method for producing cold rolled steel plate of super high strengthJFE STEEL CORP·Filed 2003·Granted Mar 24, 2009·3 cites·18 claims
- 2361US6695933B2Ultra-high strength cold rolled steel sheet and method for manufacturing the sameNIPPON KOKAN KK·Filed 2002·Granted Feb 24, 2004·5 cites·27 claims
- 2461US5441582AMethod of manufacturing natural aging-retardated aluminum alloy sheet exhibiting excellent formability and excellent bake hardenabilityNIPPON KOKAN KK·Filed 1994·Granted Aug 15, 1995·14 cites·12 claims
- 2559US10094587B2Heat-exchange ventilation deviceMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Oct 9, 2018·1 cites·9 claims
- 2659US9923464B1Switching device and power supply circuitTOSHIBA KK·Filed 2017·Granted Mar 20, 2018·1 cites·4 claims
- 2758US6245852B1Preparation of organopolysiloxane emulsionSHINETSU CHEMICAL CO·Filed 1999·Granted Jun 12, 2001·13 cites·18 claims
- 2857US9920394B2Bake-hardening galvanized steel sheetJFE STEEL CORP·Filed 2014·Granted Mar 20, 2018·0 cites·4 claims
- 2957US5580402ALow baking temperature hardenable aluminum alloy sheet for press-formingNIPPON KOKAN KK·Filed 1993·Granted Dec 3, 1996·13 cites·6 claims
- 3057US2013071687A1High strength galvanized steel sheet having excellent bendability and weldability, and method of manufacturing the sameTAKAGI SHUSAKU·Filed 2011·Application pending·0 cites
- 3156US10144996B2High strength cold rolled steel sheet with low yield ratio and method of manufacturing the sameJFE STEEL CORP·Filed 2013·Granted Dec 4, 2018·0 cites·6 claims
- 3256US5460666AMethod of manufacturing natural aging-retardated aluminum alloy sheetNIPPON KOKAN KK·Filed 1994·Granted Oct 24, 1995·11 cites·6 claims
- 3355US2022258543A1Pneumatic tireBRIDGESTONE CORP·Filed 2020·Application pending·0 cites
- 3455US2022242173A1Pneumatic tireBRIDGESTONE CORP·Filed 2020·Application pending·0 cites
- 3554US2005173031A1High strength steel sheet and method for manufacturing sameJFE STEEL CORP·Filed 2005·Application pending·0 cites
- 3653US12126321B2Piezoelectric vibrating deviceDAISHINKU CORP·Filed 2020·Granted Oct 22, 2024·0 cites·16 claims
- 3752US9994941B2High strength cold rolled steel sheet with high yield ratio and method for producing the sameJFE STEEL CORP·Filed 2012·Granted Jun 12, 2018·0 cites·7 claims
- 3852US2023080057A1Simulation method of semiconductor device, simulation device of semiconductor device, simulation program of semiconductor device, and data structureTOSHIBA KK·Filed 2022·Application pending·0 cites
- 3951US2023299767A1Semiconductor device and method for controlling semiconductor deviceTOSHIBA KK·Filed 2023·Application pending·0 cites
- 4050US10329636B2High-strength cold-rolled steel sheet with excellent material homogeneity and production method thereforJFE STEEL CORP·Filed 2015·Granted Jun 25, 2019·0 cites·18 claims
- 4150US10000090B2Pneumatic radial tire for passenger vehicleBRIDGESTONE CORP·Filed 2012·Granted Jun 19, 2018·0 cites·24 claims
- 4250US2014234655A1Hot-dip galvanized steel sheet and method for producing sameJFE STEEL CORP·Filed 2012·Application pending·0 cites
- 4349US6689229B2High strength cold rolled steel sheet and method for manufacturing the sameNIPPON KOKAN KK·Filed 2002·Granted Feb 10, 2004·0 cites·5 claims
- 4448US10590504B2High-strength cold-rolled steel sheet and method for manufacturing the sameJFE STEEL CORP·Filed 2015·Granted Mar 17, 2020·0 cites·8 claims
- 4548US2010035079A1High-strength cold-rolled steel sheet and method for manufacturing the sameJFE STEEL CORP·Filed 2007·Application pending·0 cites
- 4646US2024230143A9Heat-exchange ventilation apparatus and heat-exchange ventilation systemMITSUBISHI ELECTRIC CORP·Filed 2021·Application pending·0 cites
- 4745US9914988B2High-strength cold-rolled steel sheet with high yield ratio having excellent formability and method for producing the sameTAKASHIMA KATSUTOSHI·Filed 2011·Granted Mar 13, 2018·0 cites·10 claims
- 4845US9337174B2Semiconductor device for suppressing inductanceTOSHIBA KK·Filed 2014·Granted May 10, 2016·0 cites·20 claims
- 4945US2004020570A1High strength cold rolled steel sheet and method for manufacturing the sameNIPPON KOKAN KK·Filed 2003·Application pending·0 cites
- 5044US5679799AMethod for producing oxyindolesKI CHEMICAL INDUSTRY CO LTD·Filed 1995·Granted Oct 21, 1997·4 cites·11 claims
Showing the top 50 of 58 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →