Assignee
LOGAH TECHNOLOGY CORP
TW·23 granted patents·10 pending applications·83 citations·filing 2005–2011
Top patents by PatentIndex Score
33 records- 0186US8363434B2Interleaved bridgeless power factor corrector and controlling method thereofLOGAH TECHNOLOGY CORP·Filed 2009·Granted Jan 29, 2013·32 cites·6 claims
- 0280US7262558B2Lamp current control deviceLOGAH TECHNOLOGY CORP·Filed 2005·Granted Aug 28, 2007·8 cites·4 claims
- 0377US7067991B2Feedback sampling control circuit for lamp driving systemLOGAH TECHNOLOGY CORP·Filed 2005·Granted Jun 27, 2006·8 cites·28 claims
- 0475US7893805B2TransformerLOGAH TECHNOLOGY CORP·Filed 2009·Granted Feb 22, 2011·6 cites·3 claims
- 0572US7612644B2Winding structure of a transformerLOGAH TECHNOLOGY CORP·Filed 2008·Granted Nov 3, 2009·4 cites·3 claims
- 0671US7639111B2High voltage transformer for backlight power sourceLOGAH TECHNOLOGY CORP·Filed 2008·Granted Dec 29, 2009·4 cites·6 claims
- 0768US7425139B2Fixation structure for fixing a lamp on a printed circuit boardLOGAH TECHNOLOGY CORP·Filed 2006·Granted Sep 16, 2008·3 cites·2 claims
- 0866US7579936B2Choke transformer used in liquid crystal display backlight driverLOGAH TECHNOLOGY CORP·Filed 2005·Granted Aug 25, 2009·3 cites·2 claims
- 0964US7834559B2Lamp circuit of liquid crystal device backlight sourceLOGAH TECHNOLOGY CORP·Filed 2006·Granted Nov 16, 2010·2 cites·3 claims
- 1064US7612642B2Winding structure of a transformerLOGAH TECHNOLOGY CORP·Filed 2008·Granted Nov 3, 2009·2 cites·2 claims
- 1163US7612643B2Winding structure of a transformerLOGAH TECHNOLOGY CORP·Filed 2008·Granted Nov 3, 2009·2 cites·2 claims
- 1261US7253564B2Lamp current balancing deviceLOGAH TECHNOLOGY CORP·Filed 2005·Granted Aug 7, 2007·2 cites·5 claims
- 1360US7109723B2Bridge type phase detection deviceLOGAH TECHNOLOGY CORP·Filed 2005·Granted Sep 19, 2006·2 cites·10 claims
- 1459US7538651B2Winding structure of a transformerLOGAH TECHNOLOGY CORP·Filed 2007·Granted May 26, 2009·1 cites·2 claims
- 1557US7212045B2Double frequency signal generatorLOGAH TECHNOLOGY CORP·Filed 2005·Granted May 1, 2007·3 cites·1 claims
- 1656US7675243B2Two-end driven lamp controlling deviceLOGAH TECHNOLOGY CORP·Filed 2007·Granted Mar 9, 2010·1 cites·5 claims
- 1750US2010156321A1Lamp Driving DeviceLOGAH TECHNOLOGY CORP·Filed 2009·Application pending·0 cites
- 1849US2010123539A1TransformerLOGAH TECHNOLOGY CORP·Filed 2009·Application pending·0 cites
- 1949US2008024260A1Anti-interference transformerLOGAH TECHNOLOGY CORP·Filed 2007·Application pending·0 cites
- 2048US2010188016A1Discharge Lamp Driving ApparatusLOGAH TECHNOLOGY CORP·Filed 2009·Application pending·0 cites
- 2145US7884796B2Lamp driving structure for backlight moduleLOGAH TECHNOLOGY CORP·Filed 2007·Granted Feb 8, 2011·0 cites·4 claims
- 2245US7402959B2Phase sampling protection deviceLOGAH TECHNOLOGY CORP·Filed 2006·Granted Jul 22, 2008·0 cites·9 claims
- 2344US7268500B2Control device for multiple lamp currents of liquid crystal display backlight sourceLOGAH TECHNOLOGY CORP·Filed 2006·Granted Sep 11, 2007·0 cites·12 claims
- 2443US8378962B2LCD backlight driving device with an isolating transformerLOGAH TECHNOLOGY CORP·Filed 2010·Granted Feb 19, 2013·0 cites·3 claims
- 2543US7397337B2Winding base structure of transformerLOGAH TECHNOLOGY CORP·Filed 2006·Granted Jul 8, 2008·0 cites·13 claims
- 2643US7215234B2Tap-off transformerLOGAH TECHNOLOGY CORP·Filed 2005·Granted May 8, 2007·0 cites·4 claims
- 2743US2008165114A1Lcd backlight driving device with an isolating transformerLOGAH TECHNOLOGY CORP·Filed 2007·Application pending·0 cites
- 2841US2006023834A1High voltage transformer for backlight power sourceLOGAH TECHNOLOGY CORP·Filed 2005·Application pending·0 cites
- 2939US2008076296A1Transformer with a connectorLOGAH TECHNOLOGY CORP·Filed 2006·Application pending·0 cites
- 3039US2010109828A1TransformerLOGAH TECHNOLOGY CORP·Filed 2009·Application pending·0 cites
- 3136US7741789B2Locked phase active power current control circuitLOGAH TECHNOLOGY CORP·Filed 2007·Granted Jun 22, 2010·0 cites·3 claims
- 3234US2011102120A1TransformerLOGAH TECHNOLOGY CORP·Filed 2011·Application pending·0 cites
- 3334US2011193670A1TransformerLOGAH TECHNOLOGY CORP·Filed 2011·Application pending·0 cites
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