Inventor · disambiguated record
Chih-Hsien Chang
Also filed as: CHANG CHIH-HSIEN
131 granted patents·35 pending applications·338 citations·filing 1999–2025
99Inventor score
Files withTAIWAN SEMICONDUCTOR MFG CO LTD103CHANG CHIH-HSIEN9INER AEC EXECUTIVE YUAN6DELL PRODUCTS LP5LI MING HSIN4
Top patents by PatentIndex Score
166 records- 0197US11424751B1Programmable regulator voltage controlled ring oscillatorTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2021·Granted Aug 23, 2022·4 cites·20 claims
- 0297US10868562B1Loop gain auto calibration using loop gain detectorTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2020·Granted Dec 15, 2020·9 cites·20 claims
- 0397US10784872B1Fractional realignment techniques for PLLsTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2019·Granted Sep 22, 2020·15 cites·20 claims
- 0496US11853112B2Impedance measurement circuit and impedance measurement method thereofTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2022·Granted Dec 26, 2023·3 cites·20 claims
- 0596US11543851B1Impedance measurement circuit and impedance measurement method thereofTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2021·Granted Jan 3, 2023·5 cites·20 claims
- 0696US11296684B2Gated tri-state inverter, and low power reduced area phase interpolator system including same, and method of operating sameTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2020·Granted Apr 5, 2022·5 cites·20 claims
- 0796US11211936B1Delay lock loop circuits and methods for operating sameTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2021·Granted Dec 28, 2021·4 cites·20 claims
- 0896US9853807B2Automatic detection of change in PLL locking trendTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2016·Granted Dec 26, 2017·19 cites·20 claims
- 0994US11855643B2Gated tri-state inverter, and low power reduced area phase interpolator system including same, and method of operating sameTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2022·Granted Dec 26, 2023·2 cites·19 claims
- 1093US11961580B2Sense amplifier and method thereofTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2022·Granted Apr 16, 2024·2 cites·20 claims
- 1193US11909399B2System and semiconductor device thereinTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2022·Granted Feb 20, 2024·2 cites·20 claims
- 1293US10939573B1Electronic module carrier for an information handling systemDELL PRODUCTS LP·Filed 2019·Granted Mar 2, 2021·19 cites·20 claims
- 1393US10523218B2Track-and-hold charge pump and PLLTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2017·Granted Dec 31, 2019·11 cites·20 claims
- 1493US8410818B1High speed communication interface with an adaptive swing driver to reduce power consumptionHSU YING-YU·Filed 2012·Granted Apr 2, 2013·16 cites·20 claims
- 1592US11533056B2Circuit, chip and semiconductor deviceTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2019·Granted Dec 20, 2022·3 cites·20 claims
- 1692US10090994B2Automatic detection of change in PLL locking trendTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2017·Granted Oct 2, 2018·7 cites·20 claims
- 1791US12021537B2Circuit, chip and semiconductor deviceTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2022·Granted Jun 25, 2024·2 cites·20 claims
- 1888US11545983B2Systems and methods for phase locked loop realignment with skew cancellationTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2021·Granted Jan 3, 2023·2 cites·20 claims
- 1988US10222412B2IC degradation management circuit, system and methodTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2016·Granted Mar 5, 2019·3 cites·19 claims
- 2088US10164649B2Hybrid phase lock loopTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2017·Granted Dec 25, 2018·5 cites·20 claims
- 2188US8453043B2Built-in bit error rate test circuitCHIEN JINN-YEH·Filed 2010·Granted May 28, 2013·13 cites·20 claims
- 2287US11374584B2Frequency divider circuit, and method for frequency divider circuitTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2021·Granted Jun 28, 2022·2 cites·20 claims
- 2387US10924125B2Frequency divider circuit, method and compensation circuit for frequency divider circuitTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2019·Granted Feb 16, 2021·4 cites·20 claims
- 2487US10644869B2Automatic detection of change in PLL locking trendTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2019·Granted May 5, 2020·3 cites·20 claims
- 2587US9621171B1Frequency scaling method, circuit and associated all-digital phase-locked loopTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2015·Granted Apr 11, 2017·6 cites·20 claims
- 2687US2025323649A1Systems and Methods for Phase Locked Loop Realignment With Skew CancellationTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2025·Application pending·0 cites
- 2787US2025323635A1Gated tri-state inverter, and method of operating sameTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2025·Application pending·0 cites
- 2886US11031927B2Systems and methods for generating a controllable-width pulse signalTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2020·Granted Jun 8, 2021·2 cites·20 claims
- 2986US10965293B1Voltage controlled delay line gain calibrationTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2020·Granted Mar 30, 2021·3 cites·20 claims
- 3086US10514417B2IC degradation management circuit, system and methodTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2019·Granted Dec 24, 2019·2 cites·20 claims
- 3186US8405529B2Using bus inversion to reduce simultaneous signal switchingCHANG CHIH-HSIEN·Filed 2011·Granted Mar 26, 2013·10 cites·19 claims
- 3286US2025306625A1Impedance measurement circuit and impedance measurement method thereofTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2025·Application pending·0 cites
- 3385US8589831B1Skew sensitive calculation for misalignment from multi patterningCHANG CHIH-HSIEN·Filed 2012·Granted Nov 19, 2013·9 cites·20 claims
- 3485US2025392316A1Methods and apparatus of charge-sharing locking with digital controlled oscillatorsTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2025·Application pending·0 cites
- 3584US10158364B1Realignment strength controller for solving loop conflict of realignment phase lock loopTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2018·Granted Dec 18, 2018·5 cites·20 claims
- 3683US9035464B23D IC with serial gate MOS device, and method of making the 3D ICTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2013·Granted May 19, 2015·6 cites·20 claims
- 3782US10439794B2Automatic detection of change in PLL locking trendTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2018·Granted Oct 8, 2019·2 cites·20 claims
- 3882US9148135B2Real time automatic and background calibration at embedded duty cycle correlationLI MATT·Filed 2012·Granted Sep 29, 2015·10 cites·20 claims
- 3982US8762897B2Semiconductor device design system and method of using the sameCHANG CHIH-HSIEN·Filed 2012·Granted Jun 24, 2014·7 cites·21 claims
- 4082US2025266815A1System and semiconductor device thereinTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2025·Application pending·0 cites
- 4181US2025202492A1Programmable Regulator Voltage Controlled Ring OscillatorTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2025·Application pending·0 cites
- 4280US12360551B2Impedance measurement circuit and impedance measurement method thereofTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2023·Granted Jul 15, 2025·0 cites·20 claims
- 4380US12323151B2System and semiconductor device thereinTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2024·Granted Jun 3, 2025·0 cites·20 claims
- 4480US2025317128A1Circuit and method for duty cycle adjustmentTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2025·Application pending·0 cites
- 4579US12273116B2Programmable regulator voltage controlled ring oscillatorTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2023·Granted Apr 8, 2025·0 cites·20 claims
- 4679US11268689B2Illuminable icon with a light guide film and an isolation blockDELL PRODUCTS LP·Filed 2019·Granted Mar 8, 2022·2 cites·18 claims
- 4778US12499918B2Sense amplifier and method thereofTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2024·Granted Dec 16, 2025·0 cites·20 claims
- 4878US12362737B2Gated tri-state inverter, and method of operating sameTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2023·Granted Jul 15, 2025·0 cites·20 claims
- 4978US2025307509A1Apparatus and method of optimizing an integrated circuit designTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2025·Application pending·0 cites
- 5077US12149264B2Loop gain auto calibration using loop gain detectorTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2023·Granted Nov 19, 2024·0 cites·20 claims
Showing the top 50 of 166 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →