P

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 patents
US10174396B2Jan 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 patents

NIPPON KOKAN KK

5 patents

TAKAGI SHUSAKU

2 patents

SHINETSU CHEMICAL CO

2 patents

MITSUBISHI ELECTRIC CORP

2 patents

SUMITOMO HEAVY INDUSTRIES

1 patent

TOJI YUKI

1 patent

DAISHINKU CORP

1 patent

HIRASAWA JUNICHIRO

1 patent

KI CHEMICAL INDUSTRY CO LTD

1 patent

MAKIMIZU YOICHI

1 patent

TAKASHIMA KATSUTOSHI

1 patent

BRIDGESTONE CORP

1 patent