RO

Ryouichi Okuda

IC Idemitsu Kosan Co.: 1 patents #699 of 1,237Top 60%
Overall (All Time): #3,511,163 of 4,157,543Top 85%
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Showing 1–1 of 1 patents

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