P

Inventor

TOTSUKA Yasuhito

JP7 patents
⚠️ This page may combine multiple inventors who share the name “TOTSUKA Yasuhito”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON STEEL & SUMITOMO METAL CORP

3 patents

NIPPON STEEL & SUMIKIN WELDING CO LTD

2 patents

NIPPON STEEL CORP

1 patent

NIPPON STEEL WELDING & ENG CO LTD

1 patent