P

Inventor

NAGAKAWA HIROSHI

JP10 patents
⚠️ This page may combine multiple inventors who share the name “NAGAKAWA HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

IDEMITSU KOSAN CO

8 patents

KANEDA TAKESHI

1 patent

AOYAMA SHOJI

1 patent