P

Inventor

HIRAMOTO SHIGENORI

JP10 patents
⚠️ This page may combine multiple inventors who share the name “HIRAMOTO SHIGENORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUI KINZOKU ACT CORP

8 patents

MITSUI MINING & SMELTING CO

1 patent

MITSUI MINING AND SMELING CO L

1 patent