Assignee
SEKI KEMPEI
JP·3 granted patents·2 pending applications·12 citations·filing 2007–2012
Top patents by PatentIndex Score
5 records- 0166US8190387B2Frequency measurement apparatusSEKI KEMPEI·Filed 2007·Granted May 29, 2012·6 cites·5 claims
- 0264US8198904B2Synchrophasor measuring device and inter-bus-line phase angle difference measurement unit using the sameSEKI KEMPEI·Filed 2007·Granted Jun 12, 2012·1 cites·5 claims
- 0364US8129980B2AC electric quantity measuring deviceSEKI KEMPEI·Filed 2007·Granted Mar 6, 2012·5 cites·11 claims
- 0442US2013338954A1Alternating-current electrical quantity measuring apparatus and alternating-current electrical quantity measuring methodSEKI KEMPEI·Filed 2011·Application pending·0 cites
- 0537US2015204920A1Electric-quantity measuring apparatus and electric-quantity measuring methodSEKI KEMPEI·Filed 2012·Application pending·0 cites
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