Assignee
CHANG SHIH HSIEN
TW·6 granted patents·3 pending applications·57 citations·filing 2009–2012
Top patents by PatentIndex Score
9 records- 0196US8194417B2Two-stage switching power supplyCHANG SHIH-HSIEN·Filed 2010·Granted Jun 5, 2012·29 cites·20 claims
- 0285US8106596B2Light source driving circuitCHANG SHIH-HSIEN·Filed 2009·Granted Jan 31, 2012·12 cites·19 claims
- 0382US8080947B2Current-sharing transformer and power supply circuit having such current-sharing transformerCHANG SHIH-HSIEN·Filed 2009·Granted Dec 20, 2011·12 cites·20 claims
- 0471US8111015B2Brightness-adjustable illumination driving systemCHANG SHIH-HSIEN·Filed 2009·Granted Feb 7, 2012·4 cites·16 claims
- 0540US2012293072A1Frequency-variable dimming control apparatus for light-emitting diodes and method for operating the sameCHANG SHIH-HSIEN·Filed 2011·Application pending·0 cites
- 0640US2014168962A1Direct-current light-emitting diode lamp with polarity-holding functionCHANG SHIH HSIEN·Filed 2012·Application pending·0 cites
- 0739US8569967B2LED backlight module and backlight driving circuitCHANG SHIH-HSIEN·Filed 2011·Granted Oct 29, 2013·0 cites·15 claims
- 0839US2012268024A1Current-sharing backlight driving circuit for light-emitting diodes and method for operating the sameCHANG SHIH-HSIEN·Filed 2011·Application pending·0 cites
- 0934US8310217B2Power conversion circuit for decentralizing input currentCHANG SHIH-HSIEN·Filed 2009·Granted Nov 13, 2012·0 cites·13 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →