Inventor

NIIYA Ryohta

JP2 patents

Patents

2 patents

US10087499B2Oct 2, 2018

Hot-rolled steel sheet and manufacturing method thereof

NIPPON STEEL & SUMITOMO METAL CORP5 citations70

US10513749B2Dec 24, 2019

Hot-rolled steel sheet and production method of therefor

NIPPON STEEL & SUMITOMO METAL CORP0 citations39