P

Inventor

KOGA HIDETOSHI

JP12 patents
⚠️ This page may combine multiple inventors who share the name “KOGA HIDETOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

IDEMITSU KOSAN CO

9 patents

SEKIGUCHI HIROKI

2 patents

KOSHIMA HIROAKI

1 patent