Inventor

KURIHARA ISAO

JP6 patents

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

CITIZEN WATCH CO LTD

1 patent

USD243318SFeb 8, 1977

Combined wrist-watch case with band

CITIZEN WATCH CO LTD48 citations93

NIPPON MITSUBISHI OIL CORP

1 patent

US6642189B2Nov 4, 2003

Engine oil compositions

NIPPON MITSUBISHI OIL CORP37 citations91

NIPPON OIL CORP

1 patent

US7612025B2Nov 3, 2009

Lubricating oil composition

NIPPON OIL CORP8 citations79

HITACHI LTD

1 patent

US6704386B2Mar 9, 2004

Fuel channel box and a method of manufacturing the same

HITACHI LTD4 citations60

KURIHARA ISAO

1 patent

US8415283B2Apr 9, 2013

Lubricating oil composition for diesel engine

KURIHARA ISAO1 citations43

JX NIPPON OIL & ENERGY CORP

1 patent

US10087389B2Oct 2, 2018

Lubricating oil composition

JX NIPPON OIL & ENERGY CORP0 citations34