P

Inventor

HAGIWARA ZENJI

JP15 patents
⚠️ This page may combine multiple inventors who share the name “HAGIWARA ZENJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HAGIWARA RESEARCH CORP

8 patents

KANEBO LTD

4 patents

KANEBO LTD KANTO CHEMICAL CO

1 patent

HAGIWARA ZENJI

1 patent

OSAKA OXYGEN IND

1 patent