Inventor
NAGAO EIICHI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “NAGAO EIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KATO FUKUTARO
4 patentsUS8728565B2May 20, 2014
Method for inhibiting generation of copper sulfide
KATO FUKUTARO2 citations58
US8423301B2Apr 16, 2013
Lifetime assessment apparatus and method for oil-filled electrical device, and degradation suppression apparatus and method for oil-filled electrical device
KATO FUKUTARO3 citations58
US9396835B2Jul 19, 2016
Method for suppressing copper sulfide generation in oil-filled electrical equipment
KATO FUKUTARO0 citations47
US9228992B2Jan 5, 2016
Electric insulating oil inspection method, electric insulating oil treatment method, and oil-filled electric device maintenance method
KATO FUKUTARO0 citations37
MITSUBISHI ELECTRIC CORP
3 patentsNAGAO EIICHI
3 patentsUS8305179B2Nov 6, 2012
Oil immersed electrical apparatus
NAGAO EIICHI0 citations45
US8854068B2Oct 7, 2014
Diagnostic method for oil-filled electrical device, diagnostic device for implementing the diagnostic method, and oil-filled electrical device provided with the diagnostic device
NAGAO EIICHI0 citations35
US8314355B2Nov 20, 2012
Gas insulated breaking device
NAGAO EIICHI0 citations30