P

Inventor

YAMAGUCHI YASUHIDE

JP13 patents
⚠️ This page may combine multiple inventors who share the name “YAMAGUCHI YASUHIDE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUI MINING & SMELTING CO

12 patents

MITSUI MINIG & SMELTING CO LTD

1 patent