Inventor

HAMAYA TSUYOSHI

JP2 patents

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

NIPPON STEEL CORP

1 patent

US5685920ANov 11, 1997

Annealing separator having excellent reactivity for grain-oriented electrical steel sheet and method of use the same

NIPPON STEEL CORP10 citations71

NIPPON STEEL & SUMITOMO METAL CORP

1 patent

US10370733B2Aug 6, 2019

Method of annealing metal member

NIPPON STEEL & SUMITOMO METAL CORP0 citations50