SK

Saburo Koyama

IC Idemitsu Kosan Co.: 1 patents #14 of 55Top 30%
Overall (2003): #124,737 of 273,478Top 50%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

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