Inventor

OOTSUKA KAZUYA

JP7 patents

⚠️ This page may combine multiple inventors who share the name “OOTSUKA KAZUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON STEEL & SUMITOMO METAL CORP

3 patents

US11255005B2Feb 22, 2022

Hot-rolled steel sheet

NIPPON STEEL & SUMITOMO METAL CORP0 citations49

US10718040B2Jul 21, 2020

Hot-rolled steel sheet, steel material, and method for producing hot-rolled steel sheet

NIPPON STEEL & SUMITOMO METAL CORP0 citations48

US10655192B2May 19, 2020

Hot-rolled steel sheet

NIPPON STEEL & SUMITOMO METAL CORP0 citations36

NIPPON STEEL CORP

2 patents

US10900100B2Jan 26, 2021

Hot rolled steel sheet

NIPPON STEEL CORP0 citations49

US10894996B2Jan 19, 2021

Hot rolled steel sheet

NIPPON STEEL CORP0 citations49

YOKOI TATSUO

1 patent

US8157933B2Apr 17, 2012

High-strength hot rolled steel sheet being free from peeling and excellent in surface properties and burring properties, and method for manufacturing the same

YOKOI TATSUO0 citations49

MAEDA DAISUKE

1 patent

US10428409B2Oct 1, 2019

Hot-rolled steel sheet with excellent press formability and production method thereof

MAEDA DAISUKE0 citations38