Inventor · disambiguated record
Kempei Seki
Also filed as: SEKI KEMPEI
7 granted patents·3 pending applications·60 citations·filing 2004–2012
83Inventor score
Top patents by PatentIndex Score
10 records- 0180US7701090B2Active filterMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Apr 20, 2010·7 cites·8 claims
- 0278US7006935B2Synchronous vector measuring deviceMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Feb 28, 2006·24 cites·4 claims
- 0373US7504818B2Rotation phase angle measuring device, and control-protecting devices of electric power system using the sameMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Mar 17, 2009·3 cites·14 claims
- 0466US8190387B2Frequency measurement apparatusSEKI KEMPEI·Filed 2007·Granted May 29, 2012·6 cites·5 claims
- 0565US6985824B2Frequency measuring deviceTMT & D CORP·Filed 2004·Granted Jan 10, 2006·14 cites·4 claims
- 0664US8198904B2Synchrophasor 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
- 0764US8129980B2AC electric quantity measuring deviceSEKI KEMPEI·Filed 2007·Granted Mar 6, 2012·5 cites·11 claims
- 0842US2013338954A1Alternating-current electrical quantity measuring apparatus and alternating-current electrical quantity measuring methodSEKI KEMPEI·Filed 2011·Application pending·0 cites
- 0937US2015204920A1Electric-quantity measuring apparatus and electric-quantity measuring methodSEKI KEMPEI·Filed 2012·Application pending·0 cites
- 1035US2013030731A1Alternating-current electric quantity measuring apparatus and alternating-current electric quantity measuring methodMITSBBISHI ELECTRIC CORP·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →