P

Inventor

KAMATA KIYOHIKO

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

OHI SEISAKUSHO CO LTD

4 patents

KAMATA KIYOHIKO

3 patents

MITSUI MINING & SMELTING CO

1 patent

MITSUI KINZOKU ACT CORP

1 patent

MAJIMA SANJI

1 patent