P

Inventor

YAMAMOTO SUKEYOSHI

JP12 patents
⚠️ This page may combine multiple inventors who share the name “YAMAMOTO SUKEYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON STEEL & SUMITOMO METAL CORP

6 patents

NIPPON STEEL CORP

2 patents

SUMITOMO METAL IND

1 patent

NIPPON STEEL & SUMITOMO METAL CORPOATION

1 patent

NEGI NORIYUKI

1 patent

NIPPON STEEL CHEMICAL & MAT CO LTD

1 patent