Assignee
HIMAX ANALOGIC INC
TW·46 granted patents·3 pending applications·135 citations·filing 2007–2014
Top patents by PatentIndex Score
49 records- 0185US7642805B1Short detection circuitHIMAX ANALOGIC INC·Filed 2008·Granted Jan 5, 2010·8 cites·14 claims
- 0285US7592756B1Driving circuit for light emitting diodesHIMAX ANALOGIC INC·Filed 2008·Granted Sep 22, 2009·7 cites·10 claims
- 0383US7768212B2LED driver and circuit for controlling a power switch to provide a driving voltage to at least one LEDHIMAX ANALOGIC INC·Filed 2008·Granted Aug 3, 2010·11 cites·18 claims
- 0481US7986108B2LED driver and start-up feedback circuit thereinHIMAX ANALOGIC INC·Filed 2009·Granted Jul 26, 2011·9 cites·20 claims
- 0580US9203390B1Functional device and test mode activation circuit of the sameHIMAX ANALOGIC INC·Filed 2014·Granted Dec 1, 2015·4 cites·12 claims
- 0680US7816982B2Switching audio power amplifier with de-noise functionHIMAX ANALOGIC INC·Filed 2008·Granted Oct 19, 2010·10 cites·12 claims
- 0778US8004201B2LED circuitHIMAX ANALOGIC INC·Filed 2009·Granted Aug 23, 2011·8 cites·6 claims
- 0877US7999486B2Driving circuit and method for light emitting diodeHIMAX ANALOGIC INC·Filed 2008·Granted Aug 16, 2011·6 cites·21 claims
- 0976US9246490B1One-shot circuitHIMAX ANALOGIC INC·Filed 2014·Granted Jan 26, 2016·4 cites·12 claims
- 1074US9288855B2Driving circuit for driving LED loadHIMAX ANALOGIC INC·Filed 2013·Granted Mar 15, 2016·3 cites·14 claims
- 1172US8368316B2LED circuit and operation method of the same having minimum output voltage selection mechanism to generate feedback voltageHIMAX ANALOGIC INC·Filed 2010·Granted Feb 5, 2013·3 cites·12 claims
- 1272US7741787B2Light-emitting diode driving circuitHIMAX ANALOGIC INC·Filed 2008·Granted Jun 22, 2010·11 cites·9 claims
- 1371US8049690B2Circuit and method for driving light emitting diodesHIMAX ANALOGIC INC·Filed 2008·Granted Nov 1, 2011·4 cites·20 claims
- 1464US7902898B2Delay circuitHIMAX ANALOGIC INC·Filed 2009·Granted Mar 8, 2011·7 cites·10 claims
- 1562US8648543B1Illumination driving circuitHIMAX ANALOGIC INC·Filed 2012·Granted Feb 11, 2014·1 cites·16 claims
- 1662US7940136B2OscillatorHIMAX ANALOGIC INC·Filed 2009·Granted May 10, 2011·4 cites·8 claims
- 1761US8054059B2DC/DC converter and current sense circuit thereofHIMAX ANALOGIC INC·Filed 2008·Granted Nov 8, 2011·5 cites·22 claims
- 1861US7843263B2Power amplifier with noise shaping functionHIMAX ANALOGIC INC·Filed 2007·Granted Nov 30, 2010·7 cites·16 claims
- 1959US7920011B1Voltage trimming circuitHIMAX ANALOGIC INC·Filed 2009·Granted Apr 5, 2011·4 cites·9 claims
- 2059US7626429B2Driving circuit to drive an output stageHIMAX ANALOGIC INC·Filed 2008·Granted Dec 1, 2009·4 cites·8 claims
- 2158US8384655B2LED driving circuit and method of controlling the sameHIMAX ANALOGIC INC·Filed 2009·Granted Feb 26, 2013·1 cites·15 claims
- 2258US7489190B2Switching audio power amplifier with de-noise functionHIMAX ANALOGIC INC·Filed 2007·Granted Feb 10, 2009·3 cites·13 claims
- 2357US7982412B2LED circuit with high dimming frequencyHIMAX ANALOGIC INC·Filed 2008·Granted Jul 19, 2011·1 cites·8 claims
- 2455US7919987B1Logic signal transmitting circuitHIMAX ANALOGIC INC·Filed 2010·Granted Apr 5, 2011·1 cites·18 claims
- 2552US7701283B2Power amplifier with noise shapingHIMAX ANALOGIC INC·Filed 2008·Granted Apr 20, 2010·2 cites·22 claims
- 2650US7629842B2Class D audio amplifierHIMAX ANALOGIC INC·Filed 2008·Granted Dec 8, 2009·2 cites·7 claims
- 2749US9071137B2Driving circuit and error amplifier thereofHIMAX ANALOGIC INC·Filed 2013·Granted Jun 30, 2015·0 cites·20 claims
- 2847US7839186B2Preset circuit of audio power amplifierHIMAX ANALOGIC INC·Filed 2008·Granted Nov 23, 2010·0 cites·19 claims
- 2947US7839187B2Counter and Frequency divider thereofHIMAX ANALOGIC INC·Filed 2009·Granted Nov 23, 2010·1 cites·12 claims
- 3046US9257898B1Power supplying circuit and soft-start circuit of the sameHIMAX ANALOGIC INC·Filed 2014·Granted Feb 9, 2016·0 cites·18 claims
- 3146US7714646B2Audio power amplifier and a pre-amplifier thereofHIMAX ANALOGIC INC·Filed 2008·Granted May 11, 2010·1 cites·8 claims
- 3246US7709963B2Audio power amplifier packageHIMAX ANALOGIC INC·Filed 2007·Granted May 4, 2010·0 cites·4 claims
- 3343US8368683B2Power-off control circuit and liquid crystal display panel comprising the sameHIMAX ANALOGIC INC·Filed 2010·Granted Feb 5, 2013·0 cites·21 claims
- 3443US7495503B2Current biasing circuitHIMAX ANALOGIC INC·Filed 2007·Granted Feb 24, 2009·1 cites·18 claims
- 3542US8030978B2Soft-start circuitHIMAX ANALOGIC INC·Filed 2009·Granted Oct 4, 2011·2 cites·11 claims
- 3641US9379601B2Charge module, driving circuit, and operating methodHIMAX ANALOGIC INC·Filed 2013·Granted Jun 28, 2016·0 cites·20 claims
- 3741US8054603B2Power converter, short detection circuit thereof, and method for detecting shortHIMAX ANALOGIC INC·Filed 2008·Granted Nov 8, 2011·0 cites·17 claims
- 3841US7876082B2DC/DC converter and slope compensation circuit thereofHIMAX ANALOGIC INC·Filed 2008·Granted Jan 25, 2011·0 cites·28 claims
- 3940US8004264B2Voltage converterHIMAX ANALOGIC INC·Filed 2008·Granted Aug 23, 2011·0 cites·9 claims
- 4040US7973598B2Audio power amplifier and a pre-amplifier thereofHIMAX ANALOGIC INC·Filed 2010·Granted Jul 5, 2011·0 cites·1 claims
- 4140US7482866B2Audio system with power-on/off noise suppression and audio amplifier thereofHIMAX ANALOGIC INC·Filed 2007·Granted Jan 27, 2009·0 cites·11 claims
- 4239US9042066B2Output stage with short-circuit protectionHIMAX ANALOGIC INC·Filed 2013·Granted May 26, 2015·0 cites·19 claims
- 4339US7825729B2Class AB rail-to-rail operational amplifierHIMAX ANALOGIC INC·Filed 2009·Granted Nov 2, 2010·0 cites·16 claims
- 4438US2010213907A1Low Drop Out Linear RegulatorHIMAX ANALOGIC INC·Filed 2009·Application pending·0 cites
- 4538US2010214001A1Level Shift CircuitHIMAX ANALOGIC INC·Filed 2009·Application pending·0 cites
- 4636US8368468B2Error amplifier and LED circuit comprising the sameHIMAX ANALOGIC INC·Filed 2010·Granted Feb 5, 2013·0 cites·18 claims
- 4736US7795646B2Semiconductor deviceHIMAX ANALOGIC INC·Filed 2008·Granted Sep 14, 2010·0 cites·12 claims
- 4831US7830202B2Current mirror circuitHIMAX ANALOGIC INC·Filed 2008·Granted Nov 9, 2010·0 cites·11 claims
- 4922US2009236670A1Semiconductor Device and a Manufacturing Process ThereofHIMAX ANALOGIC INC·Filed 2008·Application pending·0 cites
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