P

Inventor

YAGUCHI AKIRA

JP15 patents
⚠️ This page may combine multiple inventors who share the name “YAGUCHI AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATSUI SHIGEKI

5 patents
US8642517B2Feb 4, 2014

Lubricant oil composition

MATSUI SHIGEKI14 citations82
US8999904B2Apr 7, 2015

Lubricant oil composition and method for making the same

MATSUI SHIGEKI13 citations78
US9029303B2May 12, 2015

Lubricant oil composition

MATSUI SHIGEKI0 citations47
US9447359B2Sep 20, 2016

Lubricant composition

MATSUI SHIGEKI0 citations40
US9637703B2May 2, 2017

Lubricant composition

MATSUI SHIGEKI0 citations34

YAGUCHI AKIRA

3 patents
US8258087B2Sep 4, 2012

Lubricating oil composition for internal combustion engine

YAGUCHI AKIRA4 citations59
US9404062B2Aug 2, 2016

Lubricant oil composition

YAGUCHI AKIRA1 citations48
US8785359B2Jul 22, 2014

Lubricant oil composition

YAGUCHI AKIRA0 citations37

NIPPON OIL CORP

2 patents
US7838709B2Nov 23, 2010

Lubricating base oil and lubricating oil composition

NIPPON OIL CORP6 citations62
US7790659B2Sep 7, 2010

Lubricating oil compositions

NIPPON OIL CORP3 citations62

NIPPON OIL CO LTD

1 patent
US5744430AApr 28, 1998

Engine oil composition

NIPPON OIL CO LTD123 citations97

YAGISHITA KAZUHIRO

1 patent
US8071518B2Dec 6, 2011

Low ash engine oil composition

YAGISHITA KAZUHIRO7 citations83

JX NIPPON OIL & ENERGY CORP

1 patent
US9376645B2Jun 28, 2016

Lubricating oil composition for internal combustion engine

JX NIPPON OIL & ENERGY CORP3 citations72

MUTOU AKIO

1 patent
US8796194B2Aug 5, 2014

Lubricant composition

MUTOU AKIO0 citations32

MIYAMOTO HIROYA

1 patent
US9353329B2May 31, 2016

Lubricating oil composition

MIYAMOTO HIROYA0 citations31