Inventor · disambiguated record
Chih-Hao Liu
Also filed as: LIU CHIH-HAO
283 granted patents·114 pending applications·590 citations·filing 2007–2025
99Inventor score
Files withQUALCOMM INC364REALTEK SEMICONDUCTOR CORP7IND TECH RES INST5LIGHTLAB IMAGING INC4INNOVART DESIGN INC2
Top patents by PatentIndex Score
397 records- 0198US11438878B1Sub-resource pool for transmission of new radio sidelink over unlicensed bandsQUALCOMM INC·Filed 2021·Granted Sep 6, 2022·7 cites·30 claims
- 0298US10548131B2Wireless communication between wideband eNB and narrowband UEQUALCOMM INC·Filed 2017·Granted Jan 28, 2020·20 cites·44 claims
- 0398US10542543B2Wireless communication between wideband ENB and narrowband UEQUALCOMM INC·Filed 2017·Granted Jan 21, 2020·28 cites·52 claims
- 0498US10411795B2Coverage enhancement mode switching for wireless communications using shared radio frequency spectrumQUALCOMM INC·Filed 2018·Granted Sep 10, 2019·18 cites·44 claims
- 0598US10225818B2Paging user equipments on a shared communication mediumQUALCOMM INC·Filed 2018·Granted Mar 5, 2019·35 cites·10 claims
- 0698US10218406B2Narrowband communication for different device capabilities in unlicensed spectrumQUALCOMM INC·Filed 2017·Granted Feb 26, 2019·40 cites·60 claims
- 0798US10178649B2Paging user equipments on a shared communication mediumQUALCOMM INC·Filed 2018·Granted Jan 8, 2019·35 cites·24 claims
- 0897US11611991B2Frequency resource reservation for sidelink communicationQUALCOMM INC·Filed 2021·Granted Mar 21, 2023·4 cites·29 claims
- 0997US11497036B2Ultra-reliable low-latency communication over sidelinkQUALCOMM INC·Filed 2020·Granted Nov 8, 2022·6 cites·30 claims
- 1097US11483864B2Autonomous sidelink over unlicensed bandQUALCOMM INC·Filed 2020·Granted Oct 25, 2022·5 cites·30 claims
- 1197US10536966B2Physical downlink control channel and hybrid automatic repeat request feedback for multefire coverage enhancementQUALCOMM INC·Filed 2017·Granted Jan 14, 2020·20 cites·44 claims
- 1297US10511987B2Methods and apparatus related to enhanced machine type communicationQUALCOMM INC·Filed 2018·Granted Dec 17, 2019·22 cites·26 claims
- 1397US10461797B2Narrowband communication for different device capabilities in unlicensed spectrumQUALCOMM INC·Filed 2019·Granted Oct 29, 2019·17 cites·60 claims
- 1497US10368348B2Physical control channel signaling on a shared communication mediumQUALCOMM INC·Filed 2016·Granted Jul 30, 2019·19 cites·20 claims
- 1596US10609660B2Synchronization for wideband coverage enhancementQUALCOMM INC·Filed 2018·Granted Mar 31, 2020·15 cites·24 claims
- 1696US10484954B2Synchronization for wideband coverage enhancementQUALCOMM INC·Filed 2017·Granted Nov 19, 2019·15 cites·30 claims
- 1796US10425973B2Random access channel signaling on a shared communication mediumQUALCOMM INC·Filed 2016·Granted Sep 24, 2019·17 cites·41 claims
- 1896US10405228B2System information block providing cell access information supporting wideband coverage enhancement in wireless communication networksQUALCOMM INC·Filed 2018·Granted Sep 3, 2019·15 cites·30 claims
- 1995US11812458B2Relaxed sensing for new radio sidelink over millimeter wave operating frequenciesQUALCOMM INC·Filed 2021·Granted Nov 7, 2023·2 cites·30 claims
- 2095US11671981B2Multi-TTI selective grant for sidelink communication in unlicensed spectrumQUALCOMM INC·Filed 2021·Granted Jun 6, 2023·4 cites·30 claims
- 2195US11632786B2Channel access contention management for ultra-reliable low-latency communication (URLLC)QUALCOMM INC·Filed 2020·Granted Apr 18, 2023·5 cites·28 claims
- 2295US11601976B2Methods, apparatuses and systems for enhanced channel occupancy time (COT) sharing in wireless communicationsQUALCOMM INC·Filed 2020·Granted Mar 7, 2023·3 cites·26 claims
- 2395US10616737B2Enhanced machine type communications physical uplink control channel designQUALCOMM INC·Filed 2018·Granted Apr 7, 2020·16 cites·18 claims
- 2495US10547494B2Unlicensed spectrum coverage enhancement for industrial internet of thingsQUALCOMM INC·Filed 2017·Granted Jan 28, 2020·18 cites·26 claims
- 2595US10542436B2Unlicensed spectrum operation for narrowband internet of things and enhanced machine type communicationQUALCOMM INC·Filed 2017·Granted Jan 21, 2020·18 cites·30 claims
- 2695US10484959B2Positioning techniques in wireless communication systemsQUALCOMM INC·Filed 2018·Granted Nov 19, 2019·18 cites·25 claims
- 2795US10298289B2Synchronization and paging channel design for wireless communicationsQUALCOMM INC·Filed 2017·Granted May 21, 2019·18 cites·30 claims
- 2894US12295035B2Cyclic prefix (CP) extension in channel occupancy time (COT) sharing for sidelink communicationQUALCOMM INC·Filed 2020·Granted May 6, 2025·3 cites·35 claims
- 2993US12082208B2Techniques for granting resources for internet of things communicationsQUALCOMM INC·Filed 2021·Granted Sep 3, 2024·2 cites·21 claims
- 3093US11985632B2Resource allocation mode indication for resource pool sharingQUALCOMM INC·Filed 2021·Granted May 14, 2024·2 cites·30 claims
- 3193US11677508B2Hybrid automatic repeat request responses for primary carrier assisted sidelink accessQUALCOMM INC·Filed 2021·Granted Jun 13, 2023·2 cites·30 claims
- 3292US11902950B2Channel occupancy time (COT) aware autonomous sensing for sidelinkQUALCOMM INC·Filed 2021·Granted Feb 13, 2024·2 cites·30 claims
- 3392US11711849B2Network controlled sidelink off-loading over unlicensed carrierQUALCOMM INC·Filed 2021·Granted Jul 25, 2023·2 cites·30 claims
- 3492US11690074B2Sidelink transmission resource aggregation for in-coverage new radio sidelink operationQUALCOMM INC·Filed 2021·Granted Jun 27, 2023·2 cites·30 claims
- 3592US11683800B2Transmitter multiplexing in multi-opportunity sidelink grantQUALCOMM INC·Filed 2021·Granted Jun 20, 2023·2 cites·38 claims
- 3691US11812474B2Sub-channel-based occupancy time sharing for unlicensed sidelinkQUALCOMM INC·Filed 2021·Granted Nov 7, 2023·2 cites·30 claims
- 3791US11723039B2Directional grant for sidelink communicationQUALCOMM INC·Filed 2021·Granted Aug 8, 2023·2 cites·30 claims
- 3891US11711109B2Nested frequency hopping for data transmissionQUALCOMM INC·Filed 2021·Granted Jul 25, 2023·2 cites·26 claims
- 3991US11470642B2Channel access with variable energy detection thresholdsQUALCOMM INC·Filed 2021·Granted Oct 11, 2022·2 cites·35 claims
- 4091US10707915B2Narrowband frequency hopping mechanisms to overcome bandwidth restrictions in the unlicensed frequency spectrumQUALCOMM INC·Filed 2018·Granted Jul 7, 2020·5 cites·25 claims
- 4190US11979906B2Resource reservation for NR-U SLQUALCOMM INC·Filed 2021·Granted May 7, 2024·2 cites·30 claims
- 4290US11895700B2Listen before talk based resource modification and reduced channel occupancy time sharing signaling for sidelink communication in unlicensed spectrumQUALCOMM INC·Filed 2020·Granted Feb 6, 2024·2 cites·30 claims
- 4390US11758524B2Short transmission time intervals for sidelink feedbackQUALCOMM INC·Filed 2021·Granted Sep 12, 2023·2 cites·30 claims
- 4490US10938441B2Narrowband frequency hopping mechanisms to overcome bandwidth restrictions in the unlicensed frequency spectrumQUALCOMM INC·Filed 2020·Granted Mar 2, 2021·2 cites·30 claims
- 4590US10652889B2Wireless communication between wideband ENB and narrowband UEQUALCOMM INC·Filed 2017·Granted May 12, 2020·4 cites·55 claims
- 4689US11696284B2Interference detection, signaling, and mitigation techniques for low latency transmissionsQUALCOMM INC·Filed 2019·Granted Jul 4, 2023·5 cites·25 claims
- 4789US11483803B2Autonomous sidelink over unlicensed bandQUALCOMM INC·Filed 2020·Granted Oct 25, 2022·2 cites·30 claims
- 4889US10715210B1Synchronization signal repetition pattern for a discovery reference signal in narrowband communicationsQUALCOMM INC·Filed 2018·Granted Jul 14, 2020·5 cites·64 claims
- 4989US8909008B1Active optical rotary couplerTZENG SHING-WU P·Filed 2012·Granted Dec 9, 2014·29 cites·14 claims
- 5088US12445336B1Multiple-port phase change estimation reference signals for discrete Fourier transform-spread orthogonal frequency-division multiplexing (DFT-S-OFDM) transmissionsQUALCOMM INC·Filed 2024·Granted Oct 14, 2025·1 cites·30 claims
Showing the top 50 of 397 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →