P

Inventor

OTSUKA SUMIO

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

SONY CORP

4 patents

JAPAN HYDRAZINE CO INC

2 patents

DAICEL CHEM

1 patent

MISAWA JUNICHIRO

1 patent