Inventor · disambiguated record
Eiichi Nagao
Also filed as: NAGAO EIICHI
10 granted patents·4 pending applications·65 citations·filing 1987–2011
85Inventor score
Top patents by PatentIndex Score
14 records- 0176US7848084B2Gas-insulated equipmentMITSUBISHI ELECTRIC CORP·Filed 2010·Granted Dec 7, 2010·6 cites·11 claims
- 0276US7742283B2Gas-insulated equipmentMITSUBISHI ELECTRIC CORP·Filed 2006·Granted Jun 22, 2010·14 cites·11 claims
- 0376US5096549ADehumidifier and method of usingMITSUBISHI ELECTRIC CORP·Filed 1987·Granted Mar 17, 1992·40 cites·30 claims
- 0474US8423301B2Lifetime assessment apparatus and method for oil-filled electrical device, and degradation suppression apparatus and method for oil-filled electrical deviceKATO FUKUTARO·Filed 2010·Granted Apr 16, 2013·3 cites·22 claims
- 0573US8728565B2Method for inhibiting generation of copper sulfideKATO FUKUTARO·Filed 2011·Granted May 20, 2014·2 cites·13 claims
- 0643US8305179B2Oil immersed electrical apparatusNAGAO EIICHI·Filed 2008·Granted Nov 6, 2012·0 cites·20 claims
- 0742US2012197559A1Method of predicting probability of abnormality occurrence in oil-filled electrical deviceNAGAO EIICHI·Filed 2009·Application pending·0 cites
- 0841US9396835B2Method for suppressing copper sulfide generation in oil-filled electrical equipmentKATO FUKUTARO·Filed 2011·Granted Jul 19, 2016·0 cites·6 claims
- 0941US8854068B2Diagnostic method for oil-filled electrical device, diagnostic device for implementing the diagnostic method, and oil-filled electrical device provided with the diagnostic deviceNAGAO EIICHI·Filed 2008·Granted Oct 7, 2014·0 cites·11 claims
- 1041US2013034909A1Diagnosis method and diagnosis apparatus for oil-filled electrical apparatusMITSUBISHI ELECTRIC CORP·Filed 2011·Application pending·0 cites
- 1140US9228992B2Electric insulating oil inspection method, electric insulating oil treatment method, and oil-filled electric device maintenance methodKATO FUKUTARO·Filed 2010·Granted Jan 5, 2016·0 cites·7 claims
- 1238US2012012558A1Gas insulated breaking deviceNAGAO EIICHI·Filed 2011·Application pending·0 cites
- 1335US8314355B2Gas insulated breaking deviceNAGAO EIICHI·Filed 2006·Granted Nov 20, 2012·0 cites·9 claims
- 1433US2014363893A1Diagnosing method for oil-filled electrical equipmentNISHIURA RYUICHI·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →