Inventor
HASEGAWA KOHEI
JP42 patents
⚠️ This page may combine multiple inventors who share the name “HASEGAWA KOHEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JFE STEEL CORP
16 patentsUS10174396B2Jan 8, 2019
High-strength cold-rolled steel sheet and method for manufacturing the same (as amended)
JFE STEEL CORP9 citations84
US10156005B2Dec 18, 2018
High-yield-ratio, high-strength cold rolled steel sheet and production method therefor
JFE STEEL CORP8 citations84
US7919194B2Apr 5, 2011
High strength steel sheet having superior ductility
JFE STEEL CORP8 citations82
US10196727B2Feb 5, 2019
High strength galvanized steel sheet having excellent bendability and weldability, and method of manufacturing the same
JFE STEEL CORP6 citations73
US10077486B2Sep 18, 2018
High-strength cold-rolled steel sheet and method of manufacturing the same
JFE STEEL CORP3 citations73
US9574254B2Feb 21, 2017
Hot-rolled steel sheet and method for producing same
JFE STEEL CORP2 citations73
US9057123B2Jun 16, 2015
Hot-rolled steel sheet and method for producing same
JFE STEEL CORP6 citations73
US10941471B2Mar 9, 2021
High-strength steel sheet, high-strength galvanized steel sheet, method for manufacturing high-strength steel sheet, and method for manufacturing high-strength galvanized steel sheet
JFE STEEL CORP2 citations72
US7507307B2Mar 24, 2009
Method for producing cold rolled steel plate of super high strength
JFE STEEL CORP3 citations63
US10435762B2Oct 8, 2019
High-yield-ratio high-strength cold-rolled steel sheet and method of producing the same
JFE STEEL CORP1 citations62
US10253389B2Apr 9, 2019
High-yield-ratio, high-strength cold-rolled steel sheet and production method therefor
JFE STEEL CORP1 citations62
US10329636B2Jun 25, 2019
High-strength cold-rolled steel sheet with excellent material homogeneity and production method therefor
JFE STEEL CORP0 citations52
US10144996B2Dec 4, 2018
High strength cold rolled steel sheet with low yield ratio and method of manufacturing the same
JFE STEEL CORP0 citations52
US9994941B2Jun 12, 2018
High strength cold rolled steel sheet with high yield ratio and method for producing the same
JFE STEEL CORP0 citations52
US10590504B2Mar 17, 2020
High-strength cold-rolled steel sheet and method for manufacturing the same
JFE STEEL CORP0 citations42
US9920394B2Mar 20, 2018
Bake-hardening galvanized steel sheet
JFE STEEL CORP0 citations41
TOSHIBA KK
7 patentsUS10084442B2Sep 25, 2018
Semiconductor device
TOSHIBA KK10 citations82
US9806706B2Oct 31, 2017
Switching unit and power supply circuit
TOSHIBA KK5 citations82
US9941874B2Apr 10, 2018
Switching unit and power supply circuit
TOSHIBA KK3 citations71
US12306265B2May 20, 2025
Diagnostic apparatus, diagnostic system and diagnostic method of electric power converter and non-transitory storage medium
TOSHIBA KK0 citations50
US9923464B1Mar 20, 2018
Switching device and power supply circuit
TOSHIBA KK1 citations50
US9337174B2May 10, 2016
Semiconductor device for suppressing inductance
TOSHIBA KK0 citations42
US10090753B1Oct 2, 2018
Power conversion device and power conversion system
TOSHIBA KK0 citations40
NIPPON KOKAN KK
5 patentsUS5580402ADec 3, 1996
Low baking temperature hardenable aluminum alloy sheet for press-forming
NIPPON KOKAN KK13 citations72
US5460666AOct 24, 1995
Method of manufacturing natural aging-retardated aluminum alloy sheet
NIPPON KOKAN KK11 citations72
US5441582AAug 15, 1995
Method of manufacturing natural aging-retardated aluminum alloy sheet exhibiting excellent formability and excellent bake hardenability
NIPPON KOKAN KK14 citations72
US6695933B2Feb 24, 2004
Ultra-high strength cold rolled steel sheet and method for manufacturing the same
NIPPON KOKAN KK5 citations60
US6689229B2Feb 10, 2004
High strength cold rolled steel sheet and method for manufacturing the same
NIPPON KOKAN KK0 citations51
TAKAGI SHUSAKU
2 patentsUS8828557B2Sep 9, 2014
High strength galvanized steel sheet having excellent formability, weldability, and fatigue properties and method for manufacturing the same
TAKAGI SHUSAKU23 citations91
US8389128B2Mar 5, 2013
High tensile-strength galvanized steel sheet and process for manufacturing high tensile-strength galvanized steel sheet
TAKAGI SHUSAKU5 citations70