Inventor
UTAKA TOSHIMASA
JP6 patents
Patents
6 patentsUS6238640B1May 29, 2001
Conversion method of carbon monoxide and catalyst
IDEMITSU KOSAN CO24 citations87
US10472583B2Nov 12, 2019
Lubricating oil composition
IDEMITSU KOSAN CO1 citations57
US12043813B2Jul 23, 2024
Lubricating oil composition
IDEMITSU KOSAN CO0 citations47
US10865360B2Dec 15, 2020
Lubricating oil composition for engine equipped with supercharging mechanism, method for suppressing low-speed pre-ignition in engine equipped with supercharging mechanism using lubricating oil composition, and method for manufacturing lubricating oil composition
IDEMITSU KOSAN CO0 citations38
US9587200B2Mar 7, 2017
Lubricant composition for internal combustion engine
IDEMITSU KOSAN CO0 citations38
US9938482B2Apr 10, 2018
Lubricating oil composition for internal combustion engine
IDEMITSU KOSAN CO0 citations36