Assignee
TOHOKU ELECTRIC POWER CO
US·20 granted patents·1 pending application·509 citations·filing 1975–2013
Top patents by PatentIndex Score
21 records- 0190US6015953ATension clamp for stranded conductorTOHOKU ELECTRIC POWER CO·Filed 1997·Granted Jan 18, 2000·105 cites·24 claims
- 0287US5070537ASystem for detecting defective point on power transmission line by utilizing satelliteTOHOKU ELECTRIC POWER CO·Filed 1989·Granted Dec 3, 1991·59 cites·4 claims
- 0382US6173561B1Steam cooling method for gas turbine combustor and apparatus thereforTOHOKU ELECTRIC POWER CO·Filed 1998·Granted Jan 16, 2001·44 cites·3 claims
- 0479US6523352B1Piping support of gas turbine steam cooled combustorTOHOKU ELECTRIC POWER CO·Filed 2000·Granted Feb 25, 2003·40 cites·2 claims
- 0573US5279760ACleaning agent compositions used for gas turbine air compressorsTOHOKU ELECTRIC POWER CO·Filed 1992·Granted Jan 18, 1994·39 cites·5 claims
- 0672US5843386AHydrothermal reaction apparatusTOHOKU ELECTRIC POWER CO·Filed 1996·Granted Dec 1, 1998·32 cites·11 claims
- 0771US4662712ANon-metallic self-supporting aerial optical cableTOHOKU ELECTRIC POWER CO·Filed 1983·Granted May 5, 1987·35 cites·7 claims
- 0869US6107532AProcess and system for converting plastics waste into oilTOHOKU ELECTRIC POWER CO·Filed 1998·Granted Aug 22, 2000·23 cites·7 claims
- 0967US6612751B1Optical repeating device with monitoring functionTOHOKU ELECTRIC POWER CO·Filed 2000·Granted Sep 2, 2003·14 cites·5 claims
- 1061US6164075ASteam cooling type gas turbine combustorTOHOKU ELECTRIC POWER CO·Filed 1998·Granted Dec 26, 2000·26 cites·4 claims
- 1158US4830747AFilter apparatus for removing planktonTOHOKU ELECTRIC POWER CO·Filed 1987·Granted May 16, 1989·23 cites·11 claims
- 1257US6137391AFlux-controlled type variable transformerTOHOKU ELECTRIC POWER CO·Filed 1997·Granted Oct 24, 2000·15 cites·7 claims
- 1342US4759988AGrain for construction materialTOHOKU ELECTRIC POWER CO·Filed 1987·Granted Jul 26, 1988·8 cites·4 claims
- 1440US6066263AApparatus for converting waste plastic into oilTOHOKU ELECTRIC POWER CO·Filed 1998·Granted May 23, 2000·12 cites·9 claims
- 1538US2015293264A1Lightning-strike electric charge estimation system and methodTOHOKU ELECTRIC POWER CO·Filed 2013·Application pending·0 cites
- 1636US4025788ARadiometric analyzerTOHOKU ELECTRIC POWER CO·Filed 1976·Granted May 24, 1977·7 cites·4 claims
- 1735US6277327B1Method for the anticorrosive treatment of waste plastics treating equipmentTOHOKU ELECTRIC POWER CO·Filed 1999·Granted Aug 21, 2001·2 cites·4 claims
- 1832US6259255B1Surge locating system of power transmission line and method thereofTOHOKU ELECTRIC POWER CO·Filed 1998·Granted Jul 10, 2001·3 cites·9 claims
- 1930US4815286AAir flow check valve and system incorporating the sameTOHOKU ELECTRIC POWER CO·Filed 1987·Granted Mar 28, 1989·9 cites·9 claims
- 2030US4001589ARadiometric analyzer with plural radiation sources and detectorsTOHOKU ELECTRIC POWER CO·Filed 1975·Granted Jan 4, 1977·5 cites·2 claims
- 2126US6265853B1Power source unit for transferring energy between power sources that power an electric vehicleTOHOKU ELECTRIC POWER CO·Filed 1998·Granted Jul 24, 2001·8 cites·9 claims
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