Inventor · disambiguated record
Chulkyu Lee
Also filed as: LEE CHULKYU
57 granted patents·12 pending applications·487 citations·filing 2007–2025
98Inventor score
Files withQUALCOMM INC55MICRON TECHNOLOGY INC4NAT INSTITUTE OF METEOROLOGICAL SCIENCES4HYUNDAI MOTOR CO LTD3LEE CHULKYU2
Top patents by PatentIndex Score
69 records- 0197US9148198B1Programmable pre-emphasis circuit for MIPI C-PHYQUALCOMM INC·Filed 2014·Granted Sep 29, 2015·50 cites·30 claims
- 0297US8996740B2N-phase polarity output pin mode multiplexerQUALCOMM INC·Filed 2013·Granted Mar 31, 2015·64 cites·40 claims
- 0396US11545980B1Clock and data recovery for multi-phase, multi-level encodingQUALCOMM INC·Filed 2021·Granted Jan 3, 2023·9 cites·30 claims
- 0496US9553635B1Time based equalization for a C-PHY 3-phase transmitterQUALCOMM INC·Filed 2015·Granted Jan 24, 2017·24 cites·30 claims
- 0595US10454725B1C-PHY receiver equalizationQUALCOMM INC·Filed 2018·Granted Oct 22, 2019·20 cites·30 claims
- 0695US10298381B1Multiphase clock data recovery with adaptive tracking for a multi-wire, multi-phase interfaceQUALCOMM INC·Filed 2018·Granted May 21, 2019·19 cites·30 claims
- 0795US9496879B1Multiphase clock data recovery for a 3-phase interfaceQUALCOMM INC·Filed 2015·Granted Nov 15, 2016·37 cites·25 claims
- 0895US9319218B2Multi-wire signaling with matched propagation delay among wire pairsQUALCOMM INC·Filed 2014·Granted Apr 19, 2016·27 cites·43 claims
- 0994US11240077B2C-PHY half-rate wire state encoder and decoderQUALCOMM INC·Filed 2020·Granted Feb 1, 2022·4 cites·12 claims
- 1094US9680666B2N-phase phase and polarity encoded serial interfaceQUALCOMM INC·Filed 2015·Granted Jun 13, 2017·13 cites·30 claims
- 1194US9485080B1Multiphase clock data recovery circuit calibrationQUALCOMM INC·Filed 2015·Granted Nov 1, 2016·30 cites·28 claims
- 1294US9231790B2N-phase phase and polarity encoded serial interfaceQUALCOMM INC·Filed 2013·Granted Jan 5, 2016·21 cites·60 claims
- 1392US11108604B2Driver architecture for multiphase and amplitude encoding transmittersQUALCOMM INC·Filed 2020·Granted Aug 31, 2021·3 cites·23 claims
- 1492US9819523B2Intelligent equalization for a three-transmitter multi-phase systemQUALCOMM INC·Filed 2017·Granted Nov 14, 2017·11 cites·25 claims
- 1592US9143362B2N-phase polarity output pin mode multiplexerQUALCOMM INC·Filed 2013·Granted Sep 22, 2015·17 cites·44 claims
- 1691US10333690B1Calibration pattern and duty-cycle distortion correction for clock data recovery in a multi-wire, multi-phase interfaceQUALCOMM INC·Filed 2018·Granted Jun 25, 2019·9 cites·30 claims
- 1791US9369237B2Run-length detection and correctionQUALCOMM INC·Filed 2014·Granted Jun 14, 2016·16 cites·30 claims
- 1891US9071220B2Efficient N-factorial differential signaling termination networkQUALCOMM INC·Filed 2013·Granted Jun 30, 2015·12 cites·36 claims
- 1990US9337997B2Transcoding method for multi-wire signaling that embeds clock information in transition of signal stateQUALCOMM INC·Filed 2014·Granted May 10, 2016·10 cites·20 claims
- 2089US9313058B2Compact and fast N-factorial single data rate clock and data recovery circuitsQUALCOMM INC·Filed 2014·Granted Apr 12, 2016·11 cites·29 claims
- 2188US10978437B2Analog-mixed signal circuit cells with universal Fin pitch and poly pitchQUALCOMM INC·Filed 2019·Granted Apr 13, 2021·7 cites·24 claims
- 2287US9363071B2Circuit to recover a clock signal from multiple wire data signals that changes state every state cycle and is immune to data inter-lane skew as well as data state transition glitchesQUALCOMM INC·Filed 2014·Granted Jun 7, 2016·7 cites·24 claims
- 2386US7956642B2Level shifter having low duty cycle distortionQUALCOMM INC·Filed 2007·Granted Jun 7, 2011·15 cites·20 claims
- 2485US12276993B2Charge pump based low dropout regulatorQUALCOMM INC·Filed 2021·Granted Apr 15, 2025·2 cites·25 claims
- 2584US10263766B1Independent pair 3-phase eye sampling circuitQUALCOMM INC·Filed 2018·Granted Apr 16, 2019·4 cites·27 claims
- 2684US9521058B2Multi-wire signaling with matched propagation delay among wire pairsQUALCOMM INC·Filed 2016·Granted Dec 13, 2016·5 cites·30 claims
- 2781US9998099B2Feed-forward bias circuitQUALCOMM INC·Filed 2014·Granted Jun 12, 2018·5 cites·30 claims
- 2879US10289600B2Reducing transmitter encoding jitter in a C-PHY interface using multiple clock phases to launch symbolsQUALCOMM INC·Filed 2016·Granted May 14, 2019·3 cites·20 claims
- 2979US9137008B2Three phase clock recovery delay calibrationQUALCOMM INC·Filed 2014·Granted Sep 15, 2015·4 cites·30 claims
- 3078US12259521B2Method and system of analyzing ingredients of artificial rainfall for verification of cloud seeding effectNAT INSTITUTE OF METEOROLOGICAL SCIENCES·Filed 2022·Granted Mar 25, 2025·1 cites·6 claims
- 3177US12134443B2Drop assist apparatus of unmanned marine observation apparatus and controlling method thereofNAT INSTITUTE OF METEOROLOGICAL SCIENCES·Filed 2023·Granted Nov 5, 2024·1 cites·3 claims
- 3275US9998154B2Low power physical layer driver topologiesQUALCOMM INC·Filed 2016·Granted Jun 12, 2018·2 cites·16 claims
- 3375US9130735B2Multi-phase clock generation methodQUALCOMM INC·Filed 2014·Granted Sep 8, 2015·3 cites·25 claims
- 3474US9276731B2N-phase signal transition alignmentQUALCOMM INC·Filed 2014·Granted Mar 1, 2016·2 cites·28 claims
- 3573US10127167B2N-phase signal transition alignmentQUALCOMM INC·Filed 2016·Granted Nov 13, 2018·1 cites·30 claims
- 3670US9998300B2N-phase phase and polarity encoded serial interfaceQUALCOMM INC·Filed 2017·Granted Jun 12, 2018·1 cites·30 claims
- 3770US9215063B2Specifying a 3-phase or N-phase eye patternQUALCOMM INC·Filed 2014·Granted Dec 15, 2015·2 cites·30 claims
- 3869US8970248B2Sharing hardware resources between D-PHY and N-factorial termination networksQUALCOMM INC·Filed 2014·Granted Mar 3, 2015·2 cites·26 claims
- 3967US10007320B2Serializer and deserializer for odd ratio parallel data busQUALCOMM INC·Filed 2014·Granted Jun 26, 2018·3 cites·20 claims
- 4063US9172426B2Voltage mode driver circuit for N-phase systemsQUALCOMM INC·Filed 2014·Granted Oct 27, 2015·1 cites·28 claims
- 4163US8619762B2Low power deserializer and demultiplexing methodLEE CHULKYU·Filed 2008·Granted Dec 31, 2013·5 cites·28 claims
- 4261US11641294B2C-PHY half-rate wire state encoder and decoderQUALCOMM INC·Filed 2022·Granted May 2, 2023·0 cites·20 claims
- 4357US9961174B2Analog behavior modeling for 3-phase signalingQUALCOMM INC·Filed 2014·Granted May 1, 2018·1 cites·48 claims
- 4457US9762228B2High-speed programmable clock dividerQUALCOMM INC·Filed 2015·Granted Sep 12, 2017·1 cites·21 claims
- 4557US8746056B2Disdrometer system having a three-dimensional laser array unitJUNG JAE-WON·Filed 2010·Granted Jun 10, 2014·1 cites·9 claims
- 4657US2025329361A1Signal delay control with inverted feedbackMICRON TECHNOLOGY INC·Filed 2025·Application pending·0 cites
- 4756US10833899B2Low power physical layer driver topologiesQUALCOMM INC·Filed 2019·Granted Nov 10, 2020·0 cites·8 claims
- 4856US10419252B2Low power physical layer driver topologiesQUALCOMM INC·Filed 2018·Granted Sep 17, 2019·0 cites·16 claims
- 4956US8405426B2Method and apparatus to serialize parallel data input valuesLEE CHULKYU·Filed 2010·Granted Mar 26, 2013·1 cites·36 claims
- 5054US9673969B2Transcoding method for multi-wire signaling that embeds clock information in transition of signal stateQUALCOMM INC·Filed 2016·Granted Jun 6, 2017·0 cites·19 claims
Showing the top 50 of 69 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Chulkyu Lee files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →