AK

Akio Kojima

IC Idemitsu Kosan Co.: 1 patents #45 of 106Top 45%
Overall (2025): #463,308 of 469,880Top 100%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12275910 Lubricating oil composition Yukio Yoshida, Kenichi Ogata, Shota KATO, Keiichi Narita 2025-04-15