Inventor · disambiguated record
Chih-Jen Yen
Also filed as: YEN CHIH-JEN
35 granted patents·10 pending applications·317 citations·filing 2005–2014
97Inventor score
Top patents by PatentIndex Score
45 records- 0194US8111054B2Voltage conversion device capable of enhancing conversion efficiencyYEN CHIH-JEN·Filed 2007·Granted Feb 7, 2012·78 cites·21 claims
- 0294US7279957B2Charge pump for generating arbitrary voltage levelsNOVATEK MICROELECTRONICS CORP·Filed 2005·Granted Oct 9, 2007·50 cites·26 claims
- 0389US7282985B2Charge pump with at least two outputsNOVATEK MICROELECTRONICS CORP·Filed 2005·Granted Oct 16, 2007·37 cites·9 claims
- 0487US7233272B1Digital data driver and display device using the sameNOVATEK MICROELECTRONICS CORP·Filed 2006·Granted Jun 19, 2007·8 cites·12 claims
- 0585US7518415B2Voltage buffer and source driver thereofNOVATEK MICROELECTRONICS CORP·Filed 2006·Granted Apr 14, 2009·6 cites·63 claims
- 0685US7486128B2Charge pump control circuit and control method thereofNOVATEK MICROELECTRONICS CORP·Filed 2006·Granted Feb 3, 2009·21 cites·14 claims
- 0781US8907939B2Frame maintaining circuit and frame maintaining methodLIU YUEH-HSIU·Filed 2012·Granted Dec 9, 2014·7 cites·14 claims
- 0880US8593389B2Gamma-voltage generatorYEN CHIH-JEN·Filed 2012·Granted Nov 26, 2013·3 cites·14 claims
- 0978US7511560B2Charge pump circuitNOVATEK MICROELECTRONICS CORP·Filed 2007·Granted Mar 31, 2009·14 cites·25 claims
- 1076US7221304B2Apparatus for driving display panel and digital-to-analog converter thereofNOVATEK MICROELECTRONICS CORP·Filed 2005·Granted May 22, 2007·10 cites·20 claims
- 1174US8040180B2Operational amplifier capable of compensating offset voltageNOVATEK MICROELECTRONICS CORP·Filed 2007·Granted Oct 18, 2011·8 cites·23 claims
- 1274US7508184B2Current source apparatus for reducing interference with noiseNOVATEK MICROELECTRONICS CORP·Filed 2006·Granted Mar 24, 2009·9 cites·16 claims
- 1373US9196209B2Charge recycling circuitYEN CHIH-JEN·Filed 2012·Granted Nov 24, 2015·2 cites·8 claims
- 1472US7541786B2Voltage regulatorNOVATEK MICROELECTRONICS CORP·Filed 2006·Granted Jun 2, 2009·8 cites·11 claims
- 1571US7538605B2Amplifier device capable of reducing offset voltageNOVATEK MICROELECTRONICS CORP·Filed 2007·Granted May 26, 2009·7 cites·31 claims
- 1671US7365666B1Voltage conversion device having non-linear gain and changeable gain polarityNOVATEK MICROELECTRONICS CORP·Filed 2007·Granted Apr 29, 2008·2 cites·22 claims
- 1770US8106601B2LED illuminant driving circuit and automatic brightness compensation method thereofLIU YI-TE·Filed 2009·Granted Jan 31, 2012·4 cites·9 claims
- 1869US8013540B2Light adjusting device for a light emitting diode and related light adjusting method and light emitting deviceNOVATEK MICROELECTRONICS CORP·Filed 2008·Granted Sep 6, 2011·3 cites·29 claims
- 1969US7417415B2Voltage-controlled current sourceNOVATEK MICROELECTRONICS CORP·Filed 2005·Granted Aug 26, 2008·8 cites·28 claims
- 2066US7750881B2Voltage conversion device having non-linear gainNOVATEK MICROELECTRONICS CORP·Filed 2007·Granted Jul 6, 2010·3 cites·42 claims
- 2165US7688131B2Charge pump circuitNOVATEK MICROELECTRONICS CORP·Filed 2008·Granted Mar 30, 2010·7 cites·14 claims
- 2264US7388532B2Overdrive digital-to-analog converter, source driver and method thereofNOVATEK MICROELECTRONICS CORP·Filed 2006·Granted Jun 17, 2008·5 cites·35 claims
- 2363US8115408B2Light source apparatus and light source adjusting moduleLIU YI-TE·Filed 2008·Granted Feb 14, 2012·2 cites·17 claims
- 2459US9013392B2Gamma-voltage generatorNOVATEK MICROELECTRONICS CORP·Filed 2013·Granted Apr 21, 2015·0 cites·11 claims
- 2555US7459943B2High accuracy sample and hold circuit having a common negative input terminalNOVATEK MICROELECTRONICS CORP·Filed 2006·Granted Dec 2, 2008·3 cites·18 claims
- 2653US7403046B2Sample-and-hold circuitsNOVATEK MICROELECTRONICS CORP·Filed 2005·Granted Jul 22, 2008·3 cites·40 claims
- 2750US7541846B2Sample-and-hold apparatus and operating method thereofNOVATEK MICROELECTRONICS CORP·Filed 2007·Granted Jun 2, 2009·2 cites·36 claims
- 2849US2007296272A1Driving device with common driverNOVATEK MICROELECTRONICS CORP·Filed 2006·Application pending·0 cites
- 2949US2012104963A1Light source apparatus and light source adjusting moduleLIU YI-TE·Filed 2012·Application pending·0 cites
- 3048US7271625B2Sample-and-hold device having input stages of amplifier coupled to capacitorsNOVATEK MICROELECTRONICS CORP·Filed 2005·Granted Sep 18, 2007·2 cites·16 claims
- 3147US8350544B2Voltage conversion device capable of enhancing conversion efficiencyNOVATEK MICROELECTRONICS CORP·Filed 2012·Granted Jan 8, 2013·0 cites·37 claims
- 3247US7605663B2Method and apparatus for stabilizing output frequency of PLL (phase lock loop) and phase lock loop thereofNOVATEK MICROELECTRONICS CORP·Filed 2005·Granted Oct 20, 2009·2 cites·12 claims
- 3347US7598801B2Voltage regulator, voltage regulating method thereof and voltage generator using the sameNOVATEK MICROELECTRONICS CORP·Filed 2007·Granted Oct 6, 2009·1 cites·20 claims
- 3447US2007242023A1Driving apparatusYEN CHIH-JEN·Filed 2006·Application pending·0 cites
- 3547US2007229440A1Source driver of an lcd panel with reduced voltage buffers and method of driving the sameYEN CHIH-JEN·Filed 2006·Application pending·0 cites
- 3646US7479833B2Dynamic biasing amplifier apparatus, dynamic biasing apparatus and methodNOVATEK MICROELECTRONICS CORP·Filed 2007·Granted Jan 20, 2009·2 cites·13 claims
- 3746US2013033527A1Driving apparatus for display and driving method thereofNOVATEK MICROELECTRONICS CORP·Filed 2012·Application pending·0 cites
- 3843US2008218221A1Analog source driving apparatusNOVATEK MICROELECTRONICS CORP·Filed 2007·Application pending·0 cites
- 3942US2015117070A1Ac-dc converting apparatus and operating method thereofNOVATEK MICROELECTRONICS CORP·Filed 2014·Application pending·0 cites
- 4039US8314597B2Load driving apparatusHSIEH CHIH-YUAN·Filed 2010·Granted Nov 20, 2012·0 cites·10 claims
- 4139US2010039842A1Power conversion system and power conversion method thereofNOVATEK MICROELECTRONICS CORP·Filed 2009·Application pending·0 cites
- 4236US7355487B2Method for reducing phase lock time and jittering and phase lock loop using the sameNOVATEK MICROELECTRONICS CORP·Filed 2006·Granted Apr 8, 2008·0 cites·19 claims
- 4335US7330380B2Digital-to-analog conversion deviceNOVATEK MICROELECTRONICS CORP·Filed 2005·Granted Feb 12, 2008·0 cites·15 claims
- 4435US2006197583A1Method of enhancing efficiency of charge pump circuit and charge pump selector circuitYEN CHIH-JEN·Filed 2005·Application pending·0 cites
- 4535US2006220727A1Electronic switch and operational method for transistorYEN CHIH-JEN·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →