Assignee
TOKYO ELECTRIC POWER CO
JP·91 granted patents·15 pending applications·1,632 citations·filing 1974–2014
Top patents by PatentIndex Score
106 records- 0191US5447024AChemical-looping combustion power generation plant systemTOKYO ELECTRIC POWER CO·Filed 1994·Granted Sep 5, 1995·118 cites·13 claims
- 0289US4313169AFault detecting system for locating a fault point with a fault resistance separately measuredTOKYO ELECTRIC POWER CO·Filed 1979·Granted Jan 26, 1982·56 cites·3 claims
- 0386US6500236B2Method for decarbonating waste gas and decarbonating apparatusTOKYO ELECTRIC POWER CO·Filed 2001·Granted Dec 31, 2002·56 cites·12 claims
- 0485US5226928AReforming apparatus for hydrocarbonTOKYO ELECTRIC POWER CO·Filed 1990·Granted Jul 13, 1993·90 cites·3 claims
- 0583US7093619B2Vacuum-insulated pipeTOKYO ELECTRIC POWER CO·Filed 2003·Granted Aug 22, 2006·33 cites·1 claims
- 0682US7786719B2Optical sensor, optical current sensor and optical voltage sensorTOKYO ELECTRIC POWER CO·Filed 2006·Granted Aug 31, 2010·14 cites·6 claims
- 0782US6931945B2Doppler ultrasonic flowmeterTOKYO ELECTRIC POWER CO·Filed 2002·Granted Aug 23, 2005·29 cites·8 claims
- 0882US5617280ASuperconducting fault current limiterTOKYO ELECTRIC POWER CO·Filed 1994·Granted Apr 1, 1997·57 cites·11 claims
- 0981US4545767ATraining operation system and simulator for training in electric power systemTOKYO ELECTRIC POWER CO·Filed 1983·Granted Oct 8, 1985·44 cites·3 claims
- 1078US7826653B2Fluid measuring system and long focal point optical systemTOKYO ELECTRIC POWER CO·Filed 2005·Granted Nov 2, 2010·9 cites·10 claims
- 1178US6815948B1Method of detecting tension wire break in concrete poleTOKYO ELECTRIC POWER CO·Filed 2003·Granted Nov 9, 2004·16 cites·13 claims
- 1278US6529849B2Thermal efficiency diagnostic method and apparatus of a combined power generation plantTOKYO ELECTRIC POWER CO·Filed 2001·Granted Mar 4, 2003·40 cites·5 claims
- 1375US4641248AMethod for determining reliability in electric power systemTOKYO ELECTRIC POWER CO·Filed 1983·Granted Feb 3, 1987·33 cites·4 claims
- 1474US4955082AMobile communication systemTOKYO ELECTRIC POWER CO·Filed 1989·Granted Sep 4, 1990·107 cites·1 claims
- 1573US7184282B2Single-phase power conversion device and three-phase power conversion deviceTOKYO ELECTRIC POWER CO·Filed 2006·Granted Feb 27, 2007·12 cites·14 claims
- 1673US7172741B2Method for reprocessing spent nuclear fuelTOKYO ELECTRIC POWER CO·Filed 2004·Granted Feb 6, 2007·13 cites·12 claims
- 1772US7655900B2Intensity modulation type optical sensor and optical current/voltage sensorTOKYO ELECTRIC POWER CO·Filed 2006·Granted Feb 2, 2010·8 cites·3 claims
- 1872US7279639B2Superconducting cable joint structureTOKYO ELECTRIC POWER CO·Filed 2006·Granted Oct 9, 2007·12 cites·14 claims
- 1972US5103739AApparatus for tracking an overhead line and automatically moving around obstacles on the lineTOKYO ELECTRIC POWER CO·Filed 1990·Granted Apr 14, 1992·41 cites·25 claims
- 2071US4328556AControl system of plants by means of electronic computersTOKYO ELECTRIC POWER CO·Filed 1979·Granted May 4, 1982·30 cites·6 claims
- 2170US6938417B2Exhaust heat recovery systemTOKYO ELECTRIC POWER CO·Filed 2002·Granted Sep 6, 2005·15 cites·9 claims
- 2270US4329637AControl apparatus for a synchronous machineTOKYO ELECTRIC POWER CO·Filed 1980·Granted May 11, 1982·35 cites·10 claims
- 2369US6745533B2Building and construction method thereforTOKYO ELECTRIC POWER CO·Filed 2002·Granted Jun 8, 2004·11 cites·11 claims
- 2469US4831383ASystem for detecting underground objectsTOKYO ELECTRIC POWER CO·Filed 1988·Granted May 16, 1989·37 cites·3 claims
- 2568US7067739B2Joint structure of superconducting cable and insulating spacer for connecting superconducting cableTOKYO ELECTRIC POWER CO·Filed 2004·Granted Jun 27, 2006·17 cites·20 claims
- 2668US6958197B2Control system for sodium-sulfur batteryTOKYO ELECTRIC POWER CO·Filed 2003·Granted Oct 25, 2005·10 cites·8 claims
- 2766US7421915B2Nondestructive inspection apparatusTOKYO ELECTRIC POWER CO·Filed 2006·Granted Sep 9, 2008·6 cites·20 claims
- 2866US5157557AMultitrack system for PCM recording and playback of audio signals and supersonic wavesTOKYO ELECTRIC POWER CO·Filed 1990·Granted Oct 20, 1992·21 cites·11 claims
- 2964US7761402B2Group-based BCU methods for on-line dynamical security assessments and energy margin calculations of practical power systemsTOKYO ELECTRIC POWER CO·Filed 2008·Granted Jul 20, 2010·5 cites·3 claims
- 3064US7094973B2Superconducting cable joint structureTOKYO ELECTRIC POWER CO·Filed 2004·Granted Aug 22, 2006·12 cites·21 claims
- 3164US6951993B2Vacuum switchTOKYO ELECTRIC POWER CO·Filed 2004·Granted Oct 4, 2005·10 cites·10 claims
- 3263US7853065B2Fluid measuring system and fluid measuring methodTOKYO ELECTRIC POWER CO·Filed 2005·Granted Dec 14, 2010·3 cites·16 claims
- 3363US7735359B2Process quantity measurement method and apparatus of engine outputTOKYO ELECTRIC POWER CO·Filed 2005·Granted Jun 15, 2010·4 cites·2 claims
- 3463US7483826B2Group-based BCU methods for on-line dynamical security assessments and energy margin calculations of practical power systemsTOKYO ELECTRIC POWER CO·Filed 2005·Granted Jan 27, 2009·3 cites·3 claims
- 3563US7415893B2Bubble generator for use in doppler ultrasonic flowmeter and doppler ultrasonic flowmeterTOKYO ELECTRIC POWER CO·Filed 2004·Granted Aug 26, 2008·12 cites·19 claims
- 3663US6888060B2Terminal structure of extreme-low temperature equipmentTOKYO ELECTRIC POWER CO·Filed 2002·Granted May 3, 2005·17 cites·10 claims
- 3763US6868311B2Method and system for on-line dynamical screening of electric power systemTOKYO ELECTRIC POWER CO·Filed 2003·Granted Mar 15, 2005·20 cites·61 claims
- 3863US4839654ASystem for detecting underground objectsTOKYO ELECTRIC POWER CO·Filed 1988·Granted Jun 13, 1989·29 cites·6 claims
- 3962US7265297B2Multiphase superconducting cable connection structure and multiphase superconducting cable lineTOKYO ELECTRIC POWER CO·Filed 2004·Granted Sep 4, 2007·13 cites·18 claims
- 4062US6768946B2Lighting strike position locating method, apparatus, system and programTOKYO ELECTRIC POWER CO·Filed 2002·Granted Jul 27, 2004·17 cites·20 claims
- 4162US5663863ALine arresterTOKYO ELECTRIC POWER CO·Filed 1995·Granted Sep 2, 1997·20 cites·21 claims
- 4261US6577103B2Emergency power system, and system for automatically detecting whether or not failure of single cell occurs in battery for use in the systemTOKYO ELECTRIC POWER CO·Filed 2001·Granted Jun 10, 2003·21 cites·9 claims
- 4361US5348080ALatent heat storage apparatus and latent heat storage solution thereforTOKYO ELECTRIC POWER CO·Filed 1991·Granted Sep 20, 1994·24 cites·3 claims
- 4461US4538994ATraining simulator for training an operator in the operation of an electric power systemTOKYO ELECTRIC POWER CO·Filed 1983·Granted Sep 3, 1985·19 cites·3 claims
- 4560US9243419B2Support wire implanting anchorTOKYO ELECTRIC POWER CO·Filed 2014·Granted Jan 26, 2016·3 cites·6 claims
- 4660US7712382B2Doppler type ultrasonic flowmeter, flow rate measuring method using doppler type ultrasonic flowmeter and flow rate measuring program used in this doppler type ultrasonic flowmeterTOKYO ELECTRIC POWER CO·Filed 2003·Granted May 11, 2010·10 cites·18 claims
- 4760US5714665AMethod and apparatus for the decomposition and re-use-as-resource treatment of ozone layer-depleting substances by application of UV lightTOKYO ELECTRIC POWER CO·Filed 1995·Granted Feb 3, 1998·29 cites·6 claims
- 4860US4856965AControl system of pumping operation using AC exciting generator-motorTOKYO ELECTRIC POWER CO·Filed 1988·Granted Aug 15, 1989·21 cites·16 claims
- 4959US7260940B2Heat pump using gas hydrate, and heat utilizing apparatusTOKYO ELECTRIC POWER CO·Filed 2003·Granted Aug 28, 2007·9 cites·13 claims
- 5059US7021056B2Exhaust heat recovery systemTOKYO ELECTRIC POWER CO·Filed 2002·Granted Apr 4, 2006·8 cites·7 claims
Showing the top 50 of 106 patent records by PatentIndex Score.
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