P

Inventor

KAWAMURA TOSHIFUMI

JP11 patents
⚠️ This page may combine multiple inventors who share the name “KAWAMURA TOSHIFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PETOCA LTD

4 patents

JX NIPPON MINING & METALS CORP

4 patents

NIPPON MINING CO

2 patents

JX METALS CORP

1 patent