P

Inventor

TATSUMI TOMIO

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

IDEMITSU KOSAN CO

4 patents

IDEMITSU PETROCHEMICAL CO

4 patents

MACHIDA SHUJI

1 patent