Inventor
TAMOTO YOSHITAKA
JP5 patents
Patents
5 patentsUS4776967AOct 11, 1988
Lubricating oil composition
IDEMITSU KOSAN CO55 citations93
US5458807AOct 17, 1995
Engine oil composition
IDEMITSU KOSAN CO27 citations88
US7897551B2Mar 1, 2011
Lubricants for power transmission
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US7550414B2Jun 23, 2009
Lube based oil and lubricating oil composition
IDEMITSU KOSAN CO0 citations48
US9624453B2Apr 18, 2017
Lubricating oil composition and automotive transmission oil using same
IDEMITSU KOSAN CO0 citations46