Inventor · disambiguated record
Hongtao Ma
Also filed as: MA HONGTAO
33 granted patents·10 pending applications·106 citations·filing 2004–2024
95Inventor score
Top patents by PatentIndex Score
43 records- 0191US8823193B1Method and system for limitation of power output variation in variable generation renewable facilitiesYAZGHI NAJLAE M·Filed 2013·Granted Sep 2, 2014·19 cites·26 claims
- 0286US9190845B2Method and apparatus for adaptively controlling wind park turbinesNELSON ROBERT J·Filed 2012·Granted Nov 17, 2015·6 cites·16 claims
- 0385US9450416B2Wind turbine generator controller responsive to grid frequency changeSIEMENS AG·Filed 2013·Granted Sep 20, 2016·11 cites·19 claims
- 0485US8219256B2Bang-bang controller and control method for variable speed wind turbines during abnormal frequency conditionsNELSON ROBERT J·Filed 2009·Granted Jul 10, 2012·10 cites·25 claims
- 0583US8798848B2Method for detecting whether performance of aircraft components is in the deterioration periodGU ZHUPING·Filed 2012·Granted Aug 5, 2014·12 cites·31 claims
- 0681US12015286B2System and method for controlling battery charger cabinetNEUTRON HOLDINGS INC·Filed 2021·Granted Jun 18, 2024·1 cites·20 claims
- 0781US9377634B2Polarizer removing device and method of using itBOE TECHNOLOGY GROUP CO LTD·Filed 2014·Granted Jun 28, 2016·4 cites·12 claims
- 0877US10516085B2Devices and methods including an LED and reflective die attach materialLUMINUS INC·Filed 2015·Granted Dec 24, 2019·3 cites·14 claims
- 0977US7552524B2Method for preventing TMR MRR drop of a sliderSAE MAGNETICS HK LTD·Filed 2006·Granted Jun 30, 2009·9 cites·3 claims
- 1073US8735310B2Method of regenerating lower hydrocarbon aromatizing catalystMA HONGTAO·Filed 2008·Granted May 27, 2014·3 cites·4 claims
- 1172US11217735B2LED package with surface textures and methods of formationLUMINUS INC·Filed 2015·Granted Jan 4, 2022·2 cites·3 claims
- 1271US7886423B2Slider with micro-texture and method for forming the sameSAE MAGNETICS HK LTD·Filed 2007·Granted Feb 15, 2011·2 cites·19 claims
- 1368US9790826B2System and method for monitoring lubricant of an engineAIR CHINA LTD·Filed 2014·Granted Oct 17, 2017·1 cites·29 claims
- 1468US9358536B2Method for producing aromatic hydrocarbon and apparatus for producing aromatic hydrocarbonOGAWA YUJI·Filed 2010·Granted Jun 7, 2016·1 cites·3 claims
- 1567US7715867B2Mobile communication terminal and wireless communication module thereofLENOVO BEIJING LTD·Filed 2004·Granted May 11, 2010·14 cites·12 claims
- 1664US8018684B2Method for preventing TMR MRR drop of a slider and method for manufacturing slidersSAE MAGNETICS HK LTD·Filed 2008·Granted Sep 13, 2011·1 cites·13 claims
- 1763US9960329B2LED packages using highly reflective die attach material and enhanced reflective substratesLUMINUS INC·Filed 2015·Granted May 1, 2018·1 cites·10 claims
- 1859US10042374B2Method and apparatus for determining a weakened grid condition and controlling a power plant in a manner appropriate to the grid conditionSIEMENS AG·Filed 2014·Granted Aug 7, 2018·1 cites·17 claims
- 1953US9969050B1Grinding head and grinding deviceBOE TECHNOLOGY GROUP CO LTD·Filed 2016·Granted May 15, 2018·0 cites·16 claims
- 2053US9521955B2Subdural electro-optical sensorMA HONGTAO·Filed 2008·Granted Dec 20, 2016·3 cites·19 claims
- 2153US9458828B2Controlling wind power plant with negative power capability to respond to grid frequency instabilityNIELSEN KAJ SKOV·Filed 2013·Granted Oct 4, 2016·0 cites·16 claims
- 2252US9696239B2Method and apparatus for monitoring turbine efficiency of aircraft auxiliary power unitAIR CHINA LTD·Filed 2014·Granted Jul 4, 2017·0 cites·12 claims
- 2350US9657649B2Method and apparatus for detecting performance of an APU fuel assemblyAIR CHINA LTD·Filed 2014·Granted May 23, 2017·0 cites·12 claims
- 2450US8853480B2Method for producing aromatic hydrocarbonOGAWA YUJI·Filed 2011·Granted Oct 7, 2014·0 cites·5 claims
- 2550US2011172478A1Catalyst for aromatization of lower hydrocarbon, and process for production of aromatic compoundMEIDENSHA ELECTRIC MFG CO LTD·Filed 2009·Application pending·0 cites
- 2649US9452847B2System and method for detecting addition of engine lubricantAIR CHINA LTD·Filed 2014·Granted Sep 27, 2016·0 cites·36 claims
- 2749US7560038B2Thin film forming method and systemSAE MAGNETICS HK LTD·Filed 2004·Granted Jul 14, 2009·2 cites·9 claims
- 2845US10359554B2Attaching deviceBOE TECHNOLOGY GROUP CO LTD·Filed 2017·Granted Jul 23, 2019·0 cites·12 claims
- 2945US9880409B2Flat-panel product inspection deviceBOE TECHNOLOGY GROUP CO LTD·Filed 2016·Granted Jan 30, 2018·0 cites·15 claims
- 3045US2022059877A1Electrode assembly unit, manufacturing method and battery cellDO FLUORIDE JIAOZUO NEW ENERGY TECH CO LTD·Filed 2018·Application pending·0 cites
- 3145US2012019007A1Method and apparatus for minimizing harmonic currents in a wind turbine parkNELSON ROBERT J·Filed 2010·Application pending·0 cites
- 3244US2024216631A1Cuff pressure control system and methodCOVIDIEN LP·Filed 2021·Application pending·0 cites
- 3344US2015065335A1Lower-hydrocarbon aromatization catalyst and method for producing lower-hydrocarbon aromatization catalystMEIDENSHA ELECTRIC MFG CO LTD·Filed 2013·Application pending·0 cites
- 3443US12146818B2Experimental device and method for testing foam fluid properties and defoaming separation effectsUNIV CHINA PETROLEUM EAST CHINA·Filed 2020·Granted Nov 19, 2024·0 cites·8 claims
- 3542US2013027994A1Method and system for damping subsynchronous resonant oscillations in a power system using a wind turbineSIEMENS AG·Filed 2011·Application pending·0 cites
- 3639US9593672B2Isochronous wind turbine generator capable of stand-alone operationSIEMENS AG·Filed 2013·Granted Mar 14, 2017·0 cites·14 claims
- 3739US2013012747A1Method of manufacture of aromatic compoundMEIDENSHA ELECTRIC MFG CO LTD·Filed 2011·Application pending·0 cites
- 3839US2008179285A1Wafer holding device for etching process and method for controlling etch rate of a waferSAE MAGNETICS HK LTD·Filed 2007·Application pending·0 cites
- 3937US10364106B2Stopping device for conveying process of object and conveyor systemBOE TECHNOLOGY GROUP CO LTD·Filed 2017·Granted Jul 30, 2019·0 cites·17 claims
- 4037US2013013222A1Method for detecting the performance of auxiliary power unitAIR CHINA LTD·Filed 2012·Application pending·0 cites
- 4136US2012022309A1Method for producing aromatic hydrocarbonMA HONGTAO·Filed 2010·Application pending·0 cites
- 4235US7965471B2Methods for forming micro-texture on an air bearing surface of a magnetic read/write slider and a magnetic read/write slider with micro-textureSAE MAGNETICS HK LTD·Filed 2005·Granted Jun 21, 2011·0 cites·15 claims
- 4324USD1094638SRotomolded water tankFOSHAN REDICLEAN INTELLIGENT TECH CO LTD·Filed 2024·Granted Sep 23, 2025·0 cites·1 claims
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