Inventor · disambiguated record
Tokihiro Umemura
Also filed as: UMEMURA TOKIHIRO
6 granted patents·1 pending application·71 citations·filing 1990–2009
79Inventor score
Top patents by PatentIndex Score
7 records- 0175US5075629APartial discharge detecting device for electrical equipmentsTOSHIBA KK·Filed 1990·Granted Dec 24, 1991·45 cites·4 claims
- 0252US6812591B2Power control device with electric double layer capacitor unit cellsTOSHIBA KK·Filed 2001·Granted Nov 2, 2004·10 cites·19 claims
- 0347US5258310AMethod of diagnosing aged degradation of oil-filled electrical equipmentsTOSHIBA KK·Filed 1991·Granted Nov 2, 1993·16 cites·5 claims
- 0442US8319958B2Phase modulator, phase modulator assembly, and photosensorSASAKI KINICHI·Filed 2009·Granted Nov 27, 2012·0 cites·24 claims
- 0535US2004017647A1Electrical double-layer capacitorTOSHIBA KK·Filed 2003·Application pending·0 cites
- 0634US8115473B2Optical voltage transformerSATO JUNICHI·Filed 2008·Granted Feb 14, 2012·0 cites·7 claims
- 0733US8829890B2Optical voltage sensorTAKAHASHI MASAO·Filed 2009·Granted Sep 9, 2014·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →