P

Inventor

ISOI MASAAKI

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

TOA NENRYO KOGYO KK

8 patents

JAPAN POLYCHEM CORP

1 patent

TONEN SEKIYUKAGAKU KK

1 patent