Inventor
TOMOKIYO TOSHIMASA
JP22 patents
⚠️ This page may combine multiple inventors who share the name “TOMOKIYO TOSHIMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON STEEL & SUMITOMO METAL CORP
12 patentsUS10072324B2Sep 11, 2018
Cold-rolled steel sheet and method for manufacturing same, and hot-stamp formed body
NIPPON STEEL & SUMITOMO METAL CORP12 citations84
US9945013B2Apr 17, 2018
Hot stamped steel and method for producing hot stamped steel
NIPPON STEEL & SUMITOMO METAL CORP11 citations84
US9920407B2Mar 20, 2018
Cold rolled steel sheet and method for producing cold rolled steel sheet
NIPPON STEEL & SUMITOMO METAL CORP11 citations84
US9896736B2Feb 20, 2018
Method for manufacturing hot stamped body having vertical wall and hot stamped body having vertical wall
NIPPON STEEL & SUMITOMO METAL CORP12 citations84
US9725782B2Aug 8, 2017
Hot stamped steel and method for producing the same
NIPPON STEEL & SUMITOMO METAL CORP14 citations84
US9605329B2Mar 28, 2017
Cold rolled steel sheet and manufacturing method thereof
NIPPON STEEL & SUMITOMO METAL CORP16 citations84
US9840751B2Dec 12, 2017
Method for manufacturing hot stamped body and hot stamped body
NIPPON STEEL & SUMITOMO METAL CORP14 citations82
US10407748B2Sep 10, 2019
High-carbon steel sheet and method of manufacturing the same
NIPPON STEEL & SUMITOMO METAL CORP2 citations72
US9353424B2May 31, 2016
High strength steel sheet excellent in delayed fracture resistance and low temperature toughness, and high strength member manufactured using the same
NIPPON STEEL & SUMITOMO METAL CORP3 citations71
US9523134B2Dec 20, 2016
Method for producing a high strength hot-rolled steel plate exhibiting excellent acid pickling property, chemical conversion processability, fatigue property, stretch flangeability, and resistance to surface deterioration during molding, and having isotropic strength and ductility
NIPPON STEEL & SUMITOMO METAL CORP0 citations51
US10161023B2Dec 25, 2018
Steel sheet for hot stamping, method for production thereof, and hot stamping steel material
NIPPON STEEL & SUMITOMO METAL CORP0 citations50
US10011888B2Jul 3, 2018
Cold-rolled steel sheet for vitreous enameling and its named enameled product thereof
NIPPON STEEL & SUMITOMO METAL CORP0 citations41
HAYASHI KUNIO
3 patentsUS9598745B2Mar 21, 2017
Method for manufacturing hot stamped body and hot stamped body
HAYASHI KUNIO18 citations89
US10030280B2Jul 24, 2018
Steel sheet and method for manufacturing steel sheet
HAYASHI KUNIO12 citations82
US8888933B2Nov 18, 2014
High-strength steel sheet, hot-dipped steel sheet, and alloy hot-dipped steel sheet that have excellent fatigue, elongation, and collision characteristics, and manufacturing method for said steel sheets
HAYASHI KUNIO11 citations82