Inventor
ICHIHASHI TOSHIHIKO
JP10 patents
⚠️ This page may combine multiple inventors who share the name “ICHIHASHI TOSHIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IDEMITSU KOSAN CO
8 patentsUS4776967AOct 11, 1988
Lubricating oil composition
IDEMITSU KOSAN CO55 citations93
US5972854AOct 26, 1999
Lubricating oil composition for automatic transmission
IDEMITSU KOSAN CO24 citations91
US5756429AMay 26, 1998
Lubricating oil composition for high-speed gear
IDEMITSU KOSAN CO20 citations91
US4853139AAug 1, 1989
Lubricating oil composition having improved temperature characteristics
IDEMITSU KOSAN CO41 citations91
US5792731AAug 11, 1998
Lubricant composition for continuous variable transmissions and method for lubricating them with said lubricant composition
IDEMITSU KOSAN CO35 citations90
US6232275B1May 15, 2001
Lubricating oil composition for automatic transmissions
IDEMITSU KOSAN CO34 citations89
US6048826AApr 11, 2000
Lubricating oil composition
IDEMITSU KOSAN CO6 citations56
US9624453B2Apr 18, 2017
Lubricating oil composition and automotive transmission oil using same
IDEMITSU KOSAN CO0 citations46