P

Inventor

HIRAO TOSHIKAZU

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

KANEKA CORP

2 patents

IDEMITSU KOSAN CO

1 patent

UNIV OSAKA

1 patent