P

Inventor

UMEZAWA HIROSHI

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

SHINETSU CHEMICAL CO

7 patents

NARITA MITSUO

5 patents

SHIN ETU CHEMICAL CO LTD

1 patent

MARUYAMA NAOSUKE

1 patent

KAWAKEN FINE CHEMICALS CO

1 patent