Inventor

KAWAGOISHI NOBUCHIKA

JP2 patents

Patents

2 patents

US6638897B2Oct 28, 2003

Lubricant oil composition for internal combustion engines (law859)

TONENGENERAL SEKIYU K K30 citations86

US7148186B2Dec 12, 2006

Lubricant oil composition for diesel engines (LAW964)

TONENGENERAL SEKIYU K K3 citations59