P

Inventor

OKAMOTO SETSUO

JP9 patents
⚠️ This page may combine multiple inventors who share the name “OKAMOTO SETSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUMITOMO SITIX CORP

7 patents

SUMITOMO SITIX OF AMAGASAKI IN

1 patent

TOKUYAMA SODA KK

1 patent