P

Inventor

SOMEYA SINZO

JP8 patents
⚠️ This page may combine multiple inventors who share the name “SOMEYA SINZO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ISHIHARA MINING & CHEMICAL CO

4 patents

TOSOH CORP

3 patents

AGRO KANESHO CO LTD

1 patent