P

Inventor

SEKIZAWA OSAMU

JP4 patents
⚠️ This page may combine multiple inventors who share the name “SEKIZAWA OSAMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHINETSU CHEMICAL CO

2 patents

MAIDA SHIGERU

1 patent

OTSUKA HISATOSHI

1 patent