Inventor · disambiguated record
Isao Kurihara
Also filed as: KURIHARA ISAO
6 granted patents·5 pending applications·98 citations·filing 1975–2014
82Inventor score
Files withHITACHI LTD2JX NIPPON OIL & ENERGY CORP2KURIHARA ISAO2NIPPON MITSUBISHI OIL CORP2NIPPON OIL CORP2
Top patents by PatentIndex Score
11 records- 0194USD243318SCombined wrist-watch case with bandCITIZEN WATCH CO LTD·Filed 1975·Granted Feb 8, 1977·48 cites·1 claims
- 0290US6642189B2Engine oil compositionsNIPPON MITSUBISHI OIL CORP·Filed 2002·Granted Nov 4, 2003·37 cites·18 claims
- 0381US7612025B2Lubricating oil compositionNIPPON OIL CORP·Filed 2006·Granted Nov 3, 2009·8 cites·8 claims
- 0464US6704386B2Fuel channel box and a method of manufacturing the sameHITACHI LTD·Filed 2002·Granted Mar 9, 2004·4 cites·9 claims
- 0562US8415283B2Lubricating oil composition for diesel engineKURIHARA ISAO·Filed 2010·Granted Apr 9, 2013·1 cites·4 claims
- 0651US2011190183A1Lubricating oil compositionJX NIPPON OIL & ENERGY CORP·Filed 2009·Application pending·0 cites
- 0744US2004176260A1Lubricating oil composition for internal combustion engineNIPPON OIL CORP·Filed 2004·Application pending·0 cites
- 0842US10087389B2Lubricating oil compositionJX NIPPON OIL & ENERGY CORP·Filed 2014·Granted Oct 2, 2018·0 cites·8 claims
- 0941US2001050968A1Fuel channel box and a method of manufacturing the sameHITACHI LTD·Filed 2001·Application pending·0 cites
- 1041US2007179070A1Lubricating oil composition for diesel engineKURIHARA ISAO·Filed 2005·Application pending·0 cites
- 1139US2001027169A1Engine oil compositionNIPPON MITSUBISHI OIL CORP·Filed 2000·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →