Inventor · disambiguated record
Wang-Chang Duan
Also filed as: DUAN WANG-CHANG
14 granted patents·16 pending applications·23 citations·filing 2008–2010
87Inventor score
Files withHONGFUJIN PREC IND SHENZHEN21DAI LUNG4HUNG CHUN-LUNG2HON FU JIN PREC INDUSTRY SHENZ1HONG FU JIN PREC INDUSTRY CO L1
Top patents by PatentIndex Score
30 records- 0169US8243977B2Media player system, media player, and earphoneDAI LUNG·Filed 2008·Granted Aug 14, 2012·5 cites·9 claims
- 0269US8082513B2Method and system for saving images from web pagesDAI LUNG·Filed 2009·Granted Dec 20, 2011·4 cites·9 claims
- 0364US7997090B2Air conditioning system, method of operation thereof, and vehicle using the sameHONGFUJIN PREC IND SHENZHEN·Filed 2008·Granted Aug 16, 2011·1 cites·14 claims
- 0463US8373392B2Battery system and protection apparatus thereofHONGFUJIN PREC IND SHENZHEN·Filed 2009·Granted Feb 12, 2013·4 cites·16 claims
- 0562US7804195B2Power supply system and protection methodHONGFUJIN PREC IND SHENZHEN·Filed 2008·Granted Sep 28, 2010·6 cites·19 claims
- 0660US8376638B2Keyboard with rotation detection module and pivotable supporting memberHONGFUJIN PREC IND SHENZHEN·Filed 2009·Granted Feb 19, 2013·2 cites·17 claims
- 0753US8086095B2Audio and video apparatus and method for controlling the sameHUNG CHUN-LUNG·Filed 2008·Granted Dec 27, 2011·0 cites·10 claims
- 0853US2009172607A1Electronic device and method for controlling screen saver operations thereofHONGFUJIN PREC IND SHENZHEN·Filed 2008·Application pending·0 cites
- 0951US2009240360A1Media player and audio processing method thereofHON FU JIN PREC INDUSTRY SHENZ·Filed 2009·Application pending·0 cites
- 1050US2009219130A1Portable electronic device and recovery method thereforHONGFUJIN PREC IND SHENZHEN·Filed 2008·Application pending·0 cites
- 1150US2010231793A1Communication method and device and television employing the sameHONGFUJIN PREC IND SHENZHEN·Filed 2009·Application pending·0 cites
- 1249US2009267563A1Electronic deviceHONG FU JIN PREC SHENZHEN CO L·Filed 2008·Application pending·0 cites
- 1347US2009235197A1System and method for password entryHONGFUJIN PREC IND SHENZHEN·Filed 2009·Application pending·0 cites
- 1447US2009180639A1Media player system, media player, earphone, and method thereofHONGFUJIN PREC IND SHENZHEN·Filed 2008·Application pending·0 cites
- 1547US2009216706A1Multiple user computer system and method for modifying display parameters thereofHONGFUJIN PREC IND SHENZHEN·Filed 2008·Application pending·0 cites
- 1647US2009268300A1Light shade for display panelHONGFUJIN PREC IND SHENZHEN·Filed 2008·Application pending·0 cites
- 1746US2009265391A1Apparatus and method for managing network storageHONGFUJIN PREC IND SHENZHEN·Filed 2009·Application pending·0 cites
- 1846US2009213075A1Computer system, display control method and display controllerHONGFUJIN PREC IND SHENZHEN·Filed 2008·Application pending·0 cites
- 1945US7990107B2Electronic device and charging control circuitHONGFUJIN PREC IND SHENZHEN·Filed 2008·Granted Aug 2, 2011·0 cites·18 claims
- 2045US2010145612A1Navigation device and methodHONGFUJIN PREC IND SHENZHEN·Filed 2009·Application pending·0 cites
- 2145US2010245101A1Communicating device and communicating methodHONGFUJIN PREC IND SHENZHEN·Filed 2009·Application pending·0 cites
- 2245US2009248673A1Method of sorting web pages, search terminal and client terminalHONG FU JIN PREC INDUSTRY CO L·Filed 2009·Application pending·0 cites
- 2344US7663433B2Audio amplifierHONGFUJIN PREC IND SHENZHEN·Filed 2008·Granted Feb 16, 2010·1 cites·10 claims
- 2444US2009168822A1Laser control apparatus and electronic device using the sameHONGFUJIN PREC IND SHENZHEN·Filed 2008·Application pending·0 cites
- 2543US8072784B2Electronic device and power supply unit thereofHUNG CHUN-LUNG·Filed 2008·Granted Dec 6, 2011·0 cites·17 claims
- 2643US7916440B2Power interface circuit and electronic device using the sameHONGFUJIN PREC IND SHENZHEN·Filed 2008·Granted Mar 29, 2011·0 cites·11 claims
- 2739US8058912B2Electronic device and signal generator thereofDAI LUNG·Filed 2009·Granted Nov 15, 2011·0 cites·16 claims
- 2837US8103021B2Audio reproducing apparatusDAI LUNG·Filed 2009·Granted Jan 24, 2012·0 cites·6 claims
- 2936US2009134934A1Electronic deviceHONGFUJIN PREC IND SHENZHEN·Filed 2008·Application pending·0 cites
- 3035US8022737B2Electronic device and delay circuit thereofHONGFUJIN PREC IND SHENZHEN·Filed 2010·Granted Sep 20, 2011·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →