Inventor · disambiguated record

Kai Liu

Also filed as: LIU KAI · LIU KAI-CHE

61 granted patents·49 pending applications·367 citations·filing 2008–2025

98Inventor score

Technology areasH04W G06T H04N A61B G06F

Files withINTERDIGITAL PATENT HOLDINGS INC29 INTERDIGITAL PATENT HOLDINGS14 IND TECH RES INST7 UNIV SOUTHWEST JIAOTONG6 Baidu online network technology beijing co ltd5

Top patents by PatentIndex Score

110 records

0197US9693366B2End-to-end architecture, API framework, discovery, and access in a virtualized networkINTERDIGITAL PATENT HOLDINGS INC·Filed 2013·Granted Jun 27, 2017·27 cites·36 claims
0297US8467351B2Relay node interface related layer 2 measurements and relay node handling in network load balancingLIU KAI·Filed 2011·Granted Jun 18, 2013·42 cites·20 claims
0396US9264928B2Methods, apparatus and systems for minimization of drive tests (MDT) based on QoS verificationsINTERDIGITAL PATENT HOLDINGS·Filed 2012·Granted Feb 16, 2016·31 cites·30 claims
0496US9148748B2Method and apparatus for triggering machine type communications applicationsINTERDIGITAL PATENT HOLDINGS·Filed 2014·Granted Sep 29, 2015·19 cites·20 claims
0594US11032870B2Methods and apparatus for handling MTC long DRX cycle/sleep lengthsINTERDIGITAL PATENT HOLDINGS INC·Filed 2018·Granted Jun 8, 2021·7 cites·18 claims
0694US9462477B2Flexible network sharingINTERDIGITAL PATENT HOLDINGS INC·Filed 2013·Granted Oct 4, 2016·20 cites·14 claims
0793US8411932B2Example-based two-dimensional to three-dimensional image conversion method, computer readable medium therefor, and systemLIU KAI-CHE·Filed 2009·Granted Apr 2, 2013·71 cites·46 claims
0892US9781654B2Method and apparatus for supporting communication via a relay nodeINTERDIGITAL PATENT HOLDINGS INC·Filed 2015·Granted Oct 3, 2017·5 cites·12 claims
0992US9681480B2Method and apparatus for using non-access stratum procedures in a mobile station to access resources of component carriers belonging to different radio access technologiesADJAKPLE PASCAL M·Filed 2012·Granted Jun 13, 2017·12 cites·11 claims
1090US10433359B2Method and apparatus for multi-rat access mode operationINTERDIGITAL PATENT HOLDINGS INC·Filed 2017·Granted Oct 1, 2019·4 cites·12 claims
1190US9088926B2Relay node interface related layer 2 measurements and relay node handling in network load balancingINTERDIGITAL PATENT HOLDINGS·Filed 2013·Granted Jul 21, 2015·8 cites·20 claims
1289US2025106729A1Method and apparatus for supporting communication via a relay wireless deviceINTERDIGITAL PATENT HOLDINGS INC·Filed 2024·Application pending·0 cites
1387USD890809SDisplay screen or portion thereof with a graphical user interface for an on-board computerBaidu online network technology beijing co ltd·Filed 2018·Granted Jul 21, 2020·31 cites·1 claims
1487US9516546B2Method and apparatus for controlling the application of selected IP traffic offload and local IP accessINTERDIGITAL PATENT HOLDINGS INC·Filed 2015·Granted Dec 6, 2016·4 cites·16 claims
1587US9439060B2Method and apparatus for selected internet protocol (IP) traffic offload (SIPTO) and local IP access (LIPA) mobilityLIU KAI·Filed 2012·Granted Sep 6, 2016·6 cites·20 claims
1687US8718568B2Performing measurements in wireless communications using multiple carriersMARINIER PAUL·Filed 2010·Granted May 6, 2014·8 cites·8 claims
1786US12200598B2Method and apparatus for supporting communication via a relay wireless deviceINTERDIGITAL PATENT HOLDINGS INC·Filed 2023·Granted Jan 14, 2025·0 cites·18 claims
1885US10420010B2Method and apparatus for supporting communication via a relay deviceINTERDIGITAL PATENT HOLDINGS INC·Filed 2017·Granted Sep 17, 2019·2 cites·20 claims
1984US11064547B2Using radio resource control (RRC) procedures to access different radio access technologiesINTERDIGITAL PATENT HOLDINGS INC·Filed 2019·Granted Jul 13, 2021·2 cites·14 claims
2084US2024306235A1Method and apparatus for multi-rat access mode operationINTERDIGITAL PATENT HOLDINGS INC·Filed 2024·Application pending·0 cites
2183US9084224B2Method and apparatus for multimedia broadcast multicast services (MBMS) service feedbackINTERDIGITAL PATENT HOLDINGS·Filed 2014·Granted Jul 14, 2015·4 cites·20 claims
2282USD942476SDisplay screen or portion thereof with a graphical user interface for an on-board deviceBaidu online network technology beijing co ltd·Filed 2021·Granted Feb 1, 2022·6 cites·1 claims
2382US9398555B2Method and apparatus for using control plane to transmit and receive dataWATFA MAHMOUD·Filed 2012·Granted Jul 19, 2016·4 cites·5 claims
2481US9781761B2Method and apparatus for multi-RAT access mode operationADJAKPLE PASCAL M·Filed 2012·Granted Oct 3, 2017·3 cites·16 claims
2580US11946213B1High-speed train derailment arresting system and structural design method thereforUNIV SOUTHWEST JIAOTONG·Filed 2023·Granted Apr 2, 2024·1 cites·3 claims
2678US11076340B2Method and apparatus for supporting communication via a relay wireless deviceINTERDIGITAL PATENT HOLDINGS INC·Filed 2019·Granted Jul 27, 2021·1 cites·20 claims
2778US9084093B2Method and apparatus for controlling the application of selected IP traffic offload and local IP accessWATFA MAHMOUD·Filed 2012·Granted Jul 14, 2015·3 cites·11 claims
2877US11937317B2Method and apparatus for multi-RAT access mode operationINTERDIGITAL PATENT HOLDINGS INC·Filed 2022·Granted Mar 19, 2024·0 cites·14 claims
2975US11765641B2Method and apparatus for supporting communication via a relay wireless deviceINTERDIGITAL PATENT HOLDINGS INC·Filed 2021·Granted Sep 19, 2023·0 cites·20 claims
3075US11521603B2Automatically generating conference minutesBEIJING BAIDU NETCOM SCI & TECH CO LTD·Filed 2020·Granted Dec 6, 2022·1 cites·16 claims
3175US8218854B2Method for synthesizing image with multi-view imagesLIU KAI-CHE·Filed 2008·Granted Jul 10, 2012·14 cites·20 claims
3274US11856639B2Methods and apparatus for handling MTC long DRX cycle/sleep lengthsINTERDIGITAL PATENT HOLDINGS INC·Filed 2021·Granted Dec 26, 2023·0 cites·20 claims
3373USD942478SDisplay screen or portion thereof with a graphical user interface for an on-board deviceBaidu online network technology beijing co ltd·Filed 2021·Granted Feb 1, 2022·3 cites·1 claims
3473US8874072B2Method and apparatus for non-voice emergency servicesWANG PETER S·Filed 2012·Granted Oct 28, 2014·2 cites·25 claims
3573US8699397B2Method and apparatus for multimedia broadcast multicast services (MBMS) service feedbackWANG PETER S·Filed 2011·Granted Apr 15, 2014·2 cites·18 claims
3672US2025051149A1Shelf management method and system, sorting zone and stock sorting systemBEIJING GEEKPLUS TECH CO LTD·Filed 2024·Application pending·0 cites
3770US10748421B2Method for estimating distribution of urban road travel time in considering operation state of taxiUNIV DALIAN TECH·Filed 2017·Granted Aug 18, 2020·4 cites·1 claims
3870US9030469B2Method for generating depth maps from monocular images and systems using the sameHUANG WEI-JIA·Filed 2009·Granted May 12, 2015·7 cites·26 claims
3968US10015692B2Performing measurements in wireless communications using multiple carriersINTERDIGITAL PATENT HOLDINGS INC·Filed 2015·Granted Jul 3, 2018·1 cites·14 claims
4066US11240859B2Method and apparatus for multi-RAT access mode operationINTERDIGITAL PATENT HOLDINGS INC·Filed 2019·Granted Feb 1, 2022·0 cites·9 claims
4163US8947677B2Dual-frequency phase multiplexing (DFPM) and period coded phase measuring (PCPM) pattern strategies in 3-D structured light systems, and lookup table (LUT) based data processingLIU KAI·Filed 2011·Granted Feb 3, 2015·2 cites·12 claims
4262US9066086B2Methods for generating stereoscopic views from monoscopic endoscope images and systems using the sameANGOT LUDOVIC·Filed 2010·Granted Jun 23, 2015·3 cites·25 claims
4361US10743938B2Image registration and augmented reality system and method augmented reality thereofMEDICALTEK CO LTD·Filed 2018·Granted Aug 18, 2020·1 cites·10 claims
4461US2023326369A1Method and apparatus for generating sign language video, computer device, and storage mediumTENCENT TECH SHENZHEN CO LTD·Filed 2023·Application pending·0 cites
4561US2025313827A1AAV Capsid 3D Surface Feature MappingBEIJING HANMOLUOJIE TECH CO LTD·Filed 2023·Application pending·0 cites
4660US12282074B1Method and apparatus for measuring magnetic field intensity in high-temperature superconducting maglev transportation systemsUNIV SOUTHWEST JIAOTONG·Filed 2024·Granted Apr 22, 2025·0 cites·7 claims
4759USD939520SDisplay screen or portion thereof with a graphical user interface for an on-board deviceBaidu online network technology beijing co ltd·Filed 2018·Granted Dec 28, 2021·5 cites·1 claims
4859US10117220B2Method and apparatus for triggering machine type communications applicationsINTERDIGITAL PATENT HOLDINGS INC·Filed 2017·Granted Oct 30, 2018·0 cites·20 claims
4958USD942477SDisplay screen or portion thereof with a graphical user interface for an on-board deviceBaidu online network technology beijing co ltd·Filed 2021·Granted Feb 1, 2022·1 cites·1 claims
5058US9467837B2Method and apparatus for non-voice emergency servicesINTERDIGITAL PATENT HOLDINGS INC·Filed 2014·Granted Oct 11, 2016·0 cites·20 claims

Showing the top 50 of 110 patent records by PatentIndex Score.

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →