Inventor

NAGAMATSU HIROYUKI

JP6 patents

⚠️ This page may combine multiple inventors who share the name “NAGAMATSU HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHEVRON JAPAN LTD

4 patents

US7960319B2Jun 14, 2011

Lubricating oil composition

CHEVRON JAPAN LTD3 citations58

US7687444B2Mar 30, 2010

Lubricating oil composition having improved oxidation stability at high temperatures

CHEVRON JAPAN LTD2 citations58

US7956021B2Jun 7, 2011

Diesel engine lubricating oil composition for large-bore two-stroke cross-head diesel engines

CHEVRON JAPAN LTD1 citations48

US7875577B2Jan 25, 2011

Diesel engine lubricating oil composition for large-bore two-stroke cross-head diesel engines

CHEVRON JAPAN LTD1 citations48

CHEVRON ORONITE CO

1 patent

US6551965B2Apr 22, 2003

Marine diesel engine lubricating oil composition having improved high temperature performance

CHEVRON ORONITE CO35 citations91

MURAKAMI MITSUHIRO

1 patent

US4855073AAug 8, 1989

Lubricant compositions and methods for preparation of same

MURAKAMI MITSUHIRO3 citations55