HM

Hiroshige Matsuoka

IC Idemitsu Kosan Co.: 1 patents #14 of 55Top 30%
Overall (2003): #211,839 of 273,478Top 80%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6562766 Metal working oil composition Saburo Koyama, Ryouichi Okuda 2003-05-13