Inventor
SAKAGUCHI AYUMU
JP3 patents
Patents
3 patentsUS9683195B2Jun 20, 2017
Viscosity index improver and lubricating oil composition
SANYO CHEMICAL IND LTD15 citations78
US10336961B2Jul 2, 2019
Viscosity index improver, lubricant composition, and method for manufacturing lubricant composition
SANYO CHEMICAL IND LTD5 citations68
US11008528B2May 18, 2021
Viscosity index improver and lubricating oil composition
SANYO CHEMICAL IND LTD2 citations66