Inventor · disambiguated record
Yaw-Guang Chang
Also filed as: CHANG YAW-GUANG
106 granted patents·33 pending applications·202 citations·filing 2003–2024
99Inventor score
Top patents by PatentIndex Score
139 records- 0196US10976857B1Method and apparatus for driving touch display driver integrated circuit of touch-sensitive display panelHIMAX TECH LTD·Filed 2020·Granted Apr 13, 2021·6 cites·6 claims
- 0295US11620023B1Touch event processing circuitHIMAX TECH LTD·Filed 2022·Granted Apr 4, 2023·4 cites·13 claims
- 0394US10739909B1Position input system and methodHIMAX TECH LTD·Filed 2019·Granted Aug 11, 2020·13 cites·14 claims
- 0492US11449172B1Touch control apparatus and touch panel thereofHIMAX TECH LTD·Filed 2021·Granted Sep 20, 2022·2 cites·9 claims
- 0592US7786779B2Buffer for driving circuit and method thereofHIMAX TECH LTD·Filed 2009·Granted Aug 31, 2010·28 cites·8 claims
- 0691US10067603B1Touch panel and sensing method of touch panel capable of simultaneously activating columns of sensors within one drive cycleHIMAX TECH LTD·Filed 2017·Granted Sep 4, 2018·9 cites·6 claims
- 0791US7652533B2Operation amplifier for improving slew rateHIMAX TECH LTD·Filed 2008·Granted Jan 26, 2010·24 cites·12 claims
- 0890US12100240B1Fingerprint recognition driving deviceHIMAX TECH LTD·Filed 2023·Granted Sep 24, 2024·2 cites·18 claims
- 0990US11842560B1Fingerprint sensing circuitHIMAX TECH LTD·Filed 2023·Granted Dec 12, 2023·2 cites·16 claims
- 1087US7432922B2Source driver and source driving methodHIMAX TECH INC·Filed 2005·Granted Oct 7, 2008·8 cites·25 claims
- 1186US10802648B1Charge-pump circuit adaptable to TDDIHIMAX TECH LTD·Filed 2019·Granted Oct 13, 2020·4 cites·16 claims
- 1285US9767339B1Fingerprint identification deviceHIMAX TECH LTD·Filed 2016·Granted Sep 19, 2017·5 cites·13 claims
- 1385US7663439B2Operational amplifierHIMAX TECH LTD·Filed 2008·Granted Feb 16, 2010·15 cites·3 claims
- 1484US9013434B2Touch display panel and driving method thereofHIMAX TECH LTD·Filed 2013·Granted Apr 21, 2015·8 cites·15 claims
- 1581US10528158B2Active stylus, touch sensor, and signal transmission and sensing method for active stylus and touch sensorHIMAX TECH LTD·Filed 2017·Granted Jan 7, 2020·3 cites·20 claims
- 1681US8564374B2Oscillator calibration apparatus and oscillator calibration methodCHIU CHUN-YU·Filed 2011·Granted Oct 22, 2013·7 cites·10 claims
- 1781US8326568B2Temperature sensor and temperature sensing methodHSU CHEN-MING·Filed 2010·Granted Dec 4, 2012·6 cites·12 claims
- 1879US10768744B2Touch panel and controlling method of touch panelHIMAX TECH LTD·Filed 2019·Granted Sep 8, 2020·2 cites·10 claims
- 1977US11086443B1Touch apparatus, touch driving device and operation method thereofHIMAX TECH LTD·Filed 2020·Granted Aug 10, 2021·2 cites·21 claims
- 2077US10146379B2Touch screen capable of detecting touch pressure and a system of controlling the sameHIMAX TECH LTD·Filed 2016·Granted Dec 4, 2018·2 cites·14 claims
- 2176US12153756B2Circuit for performing display driving function and fingerprint and touch detecting functionHIMAX TECH LTD·Filed 2022·Granted Nov 26, 2024·0 cites·6 claims
- 2276US12093483B2Circuit for performing display driving function and fingerprint and touch detecting functionHIMAX TECH LTD·Filed 2022·Granted Sep 17, 2024·0 cites·7 claims
- 2376US10684724B1In-cell touch panel sensing system and sensing method for the in-cell touch panel sensing systemHIMAX TECH LTD·Filed 2019·Granted Jun 16, 2020·2 cites·10 claims
- 2476US9740349B2Touch driving apparatus, touch driving method and touch display systemHIMAX TECH LTD·Filed 2015·Granted Aug 22, 2017·2 cites·9 claims
- 2576US9007341B2Touch systemHIMAX TECH LTD·Filed 2013·Granted Apr 14, 2015·4 cites·11 claims
- 2676US7362293B2Low power multi-phase driving method for liquid crystal displayHIMAX TECH INC·Filed 2005·Granted Apr 22, 2008·3 cites·17 claims
- 2775US12265678B2Touch event processing circuitHIMAX TECH LTD·Filed 2024·Granted Apr 1, 2025·0 cites·8 claims
- 2875US10078392B2Low loading driving method, driver integrated circuit applying the method, and touch display systemHIMAX TECH LTD·Filed 2015·Granted Sep 18, 2018·2 cites·20 claims
- 2975US8144143B2Liquid crystal display and charge pump thereofHUANG HSIEN-TING·Filed 2009·Granted Mar 27, 2012·4 cites·20 claims
- 3073US7327297B2Source driver of liquid crystal display and the driving methodHIMAX TECH LTD·Filed 2006·Granted Feb 5, 2008·2 cites·15 claims
- 3170US7511650B2Digital to analog converterHIMAX TECH LTD·Filed 2007·Granted Mar 31, 2009·6 cites·11 claims
- 3269US10866662B2Touch display apparatus and method for touch display panelHIMAX TECH LTD·Filed 2017·Granted Dec 15, 2020·1 cites·15 claims
- 3368US12307044B1Touch detection circuitHIMAX TECH LTD·Filed 2024·Granted May 20, 2025·0 cites·17 claims
- 3468US10684731B2Touch apparatus and sensing method and touch sensing circuit thereofHIMAX TECH LTD·Filed 2017·Granted Jun 16, 2020·1 cites·15 claims
- 3567US11977705B2Touch event processing circuitHIMAX TECH LTD·Filed 2022·Granted May 7, 2024·0 cites·7 claims
- 3667US11520424B2Circuit for performing display driving function and fingerprint and touch detecting functionHIMAX TECH LTD·Filed 2020·Granted Dec 6, 2022·0 cites·7 claims
- 3767US8279190B2Filter for removing DC signal and high frequency noise and method thereof for touch sensorCHANG YAW-GUANG·Filed 2010·Granted Oct 2, 2012·2 cites·20 claims
- 3865US9753575B2In-cell touch screen and a controller adapted theretoHIMAX TECH LTD·Filed 2016·Granted Sep 5, 2017·1 cites·20 claims
- 3964US9471168B2Touch screen, touch sensing device and a method of driving the sameHIMAX TECH LTD·Filed 2015·Granted Oct 18, 2016·1 cites·21 claims
- 4063US12321550B2Signal processing method and related circuit having backup processing circuitHIMAX TECH LTD·Filed 2023·Granted Jun 3, 2025·0 cites·8 claims
- 4161US12096557B2Display system and a pad configuration adaptable theretoHIMAX TECH LTD·Filed 2022·Granted Sep 17, 2024·0 cites·13 claims
- 4261US10417475B1Fingerprint sensing circuit, electronic device and method for processing fingerprint imageHIMAX TECH LTD·Filed 2019·Granted Sep 17, 2019·0 cites·4 claims
- 4361US10121053B2Touch device and waking up method thereofHIMAX TECH LTD·Filed 2016·Granted Nov 6, 2018·1 cites·16 claims
- 4461US9495036B2Input system utilizing stylus pen which receives electrical signals via connection linkCHANG YAW-GUANG·Filed 2012·Granted Nov 15, 2016·1 cites·11 claims
- 4560US11494038B2Touch panelHIMAX TECH LTD·Filed 2020·Granted Nov 8, 2022·0 cites·10 claims
- 4660US11137853B2Touch panel and controlling method of touch panelHIMAX TECH LTD·Filed 2020·Granted Oct 5, 2021·0 cites·8 claims
- 4760US2025283922A1Current sensing circuit adaptable to mosfet circuitsHIMAX TECH LTD·Filed 2024·Application pending·0 cites
- 4859US12176903B1Duty cycle correction device for use in cascaded circuits and related large touch and display driver integration systemHIMAX TECH LTD·Filed 2023·Granted Dec 24, 2024·0 cites·8 claims
- 4959US12131678B1Safety detection method for use in display device and related touch control circuit and touch and display driver integrationHIMAX TECH LTD·Filed 2023·Granted Oct 29, 2024·0 cites·18 claims
- 5059US7994759B2System and method for driving a power supply device in an initial activation stageHIMAX TECH LTD·Filed 2009·Granted Aug 9, 2011·5 cites·18 claims
Showing the top 50 of 139 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →