Inventor

SAKAMOTO TETSURO

JP3 patents

Patents

3 patents

US5370809ADec 6, 1994

Synthetic lubricating oils

NIPPON OIL CO LTD21 citations91

US5080816AJan 14, 1992

Lubricant for refrigerating machine

NIPPON OIL CO LTD18 citations71

US5443745AAug 22, 1995

Lubricant for refrigerating machine

NIPPON OIL CO LTD6 citations60