Inventor · disambiguated record
Qingxin Chen
Also filed as: CHEN QINGXIN · CHEN QINGXIN DAISY
67 granted patents·70 pending applications·309 citations·filing 1999–2025
98Inventor score
Top patents by PatentIndex Score
137 records- 0193US10492169B2Mitigating page collisions in dual subscriber identity module devicesQUALCOMM INC·Filed 2018·Granted Nov 26, 2019·10 cites·30 claims
- 0293US10237841B1Apparatus and method of using tracking area update (TAU) message to update UE radio capabilityQUALCOMM INC·Filed 2018·Granted Mar 19, 2019·17 cites·14 claims
- 0385US12376152B2Collision mitigation for a dual subscriber identity module (SIM) dual active (DSDA) user equipmentQUALCOMM INC·Filed 2022·Granted Jul 29, 2025·1 cites·30 claims
- 0485US8594021B2Effective timing measurements by a multi-mode deviceCHIN TOM·Filed 2011·Granted Nov 26, 2013·7 cites·40 claims
- 0585US7437172B2Discontinuous transmission (DTX) detection in wireless communication systemsQUALCOMM INC·Filed 2002·Granted Oct 14, 2008·45 cites·22 claims
- 0684US9961600B2Techniques for employing antenna switched diversity in wireless communicationsQUALCOMM INC·Filed 2017·Granted May 1, 2018·7 cites·28 claims
- 0783US12200613B2Radio access technology searching in dual active modeQUALCOMM INC·Filed 2022·Granted Jan 14, 2025·1 cites·26 claims
- 0883US8265039B2Apparatus and method for improved idle state handoffREZA ASHRAFUR MD·Filed 2009·Granted Sep 11, 2012·21 cites·33 claims
- 0982US6430414B1Soft handoff algorithm and wireless communication system for third generation CDMA systemsQUALCOMM INC·Filed 1999·Granted Aug 6, 2002·102 cites·8 claims
- 1081US10085274B2Apparatus and method of improving VoLTE/VT call setup successful rate in a DSDS deviceQUALCOMM INC·Filed 2016·Granted Sep 25, 2018·3 cites·30 claims
- 1181US8472967B2Allocating transmit power among two or more carriers assigned to a wireless communication deviceGHOSH DONNA·Filed 2009·Granted Jun 25, 2013·9 cites·58 claims
- 1280US10231282B1Techniques and apparatuses for tune-away managementQUALCOMM INC·Filed 2017·Granted Mar 12, 2019·3 cites·30 claims
- 1379US10178561B2Enhancing data performance in multi-subscriber identity module (SIM) wireless communication devicesQUALCOMM INC·Filed 2017·Granted Jan 8, 2019·3 cites·20 claims
- 1479US9456337B2Apparatus and method for signaling network capabilities for a wireless deviceQUALCOMM INC·Filed 2013·Granted Sep 27, 2016·5 cites·34 claims
- 1579US8958392B2Inter-radio access technology (IRAT) measurement schedulingQUALCOMM INC·Filed 2013·Granted Feb 17, 2015·4 cites·20 claims
- 1678US12143858B2Method and apparatus to switch uplink transmission on uplink split bearerQUALCOMM INC·Filed 2019·Granted Nov 12, 2024·2 cites·30 claims
- 1778US11533772B2Techniques for configuring bandwidth parts for multiple-subscription communication devicesQUALCOMM INC·Filed 2019·Granted Dec 20, 2022·2 cites·30 claims
- 1877US8553712B2Carrier management in a wireless communication device assigned a set of two or more carriers by a wireless communication networkGHOSH DONNA·Filed 2009·Granted Oct 8, 2013·7 cites·80 claims
- 1977US2025031028A1Dual subscriber coexistence managementQUALCOMM INC·Filed 2024·Application pending·0 cites
- 2076US9277430B2Method and apparatus for enhanced TD-SCDMA to LTE measurement reportingQUALCOMM INC·Filed 2014·Granted Mar 1, 2016·4 cites·30 claims
- 2176US6748215B1Method and apparatus for performing a candidate frequency search in a wireless communication systemQUALCOMM INC·Filed 2000·Granted Jun 8, 2004·22 cites·2 claims
- 2275US9198098B2Inter radio access technology (IRAT) measurement to improve user equipment (UE) battery performanceQUALCOMM INC·Filed 2012·Granted Nov 24, 2015·3 cites·16 claims
- 2375US2024406782A1Capability management for concurrency mode controlQUALCOMM INC·Filed 2024·Application pending·0 cites
- 2474US10178648B2Techniques and apparatus for reducing occurrence of one or more collisions of paging using an asynchronous cellQUALCOMM INC·Filed 2018·Granted Jan 8, 2019·2 cites·29 claims
- 2574US9516694B2Method and apparatus for inter radio access technology (IRAT) cell reselectionQUALCOMM INC·Filed 2013·Granted Dec 6, 2016·3 cites·20 claims
- 2674US2025274878A1Techniques for power control for dual subscribersQUALCOMM INC·Filed 2025·Application pending·0 cites
- 2773US12382397B2Power savings for voice servicesQUALCOMM INC·Filed 2023·Granted Aug 5, 2025·0 cites·18 claims
- 2873US2024314533A1Alert and warning message protection in msimQUALCOMM INC·Filed 2024·Application pending·0 cites
- 2971US12127300B2Extended signaling for multi-subscriber identity module (MSIM) user-equipment (UE) for new radio (NR)QUALCOMM INC·Filed 2019·Granted Oct 22, 2024·1 cites·27 claims
- 3071US9295080B2High-speed tune-away for multi-SIM devicesQUALCOMM INC·Filed 2014·Granted Mar 22, 2016·2 cites·20 claims
- 3171US8825048B2Method and apparatus for determining base station identityQUALCOMM INC·Filed 2012·Granted Sep 2, 2014·2 cites·32 claims
- 3271US8718017B2Confirmation of base station identification to improve handoverCHIN TOM·Filed 2012·Granted May 6, 2014·2 cites·24 claims
- 3370US11043068B2Interactive application processing method and apparatus, and storage mediumTENCENT TECH SHENZHEN CO LTD·Filed 2019·Granted Jun 22, 2021·2 cites·20 claims
- 3470US9125114B2Inter radio access technology (IRAT) measurementQUALCOMM INC·Filed 2012·Granted Sep 1, 2015·2 cites·20 claims
- 3568US11825415B2Power savings for voice servicesQUALCOMM INC·Filed 2021·Granted Nov 21, 2023·0 cites·29 claims
- 3668US7075905B2Quality indicator bit (QIB) generation in wireless communications systemsQUALCOMM INC·Filed 2002·Granted Jul 11, 2006·10 cites·15 claims
- 3767US12177931B2Dual subscriber coexistence managementQUALCOMM INC·Filed 2021·Granted Dec 24, 2024·0 cites·30 claims
- 3867US12004000B2Capability management for concurrency mode controlQUALCOMM INC·Filed 2021·Granted Jun 4, 2024·0 cites·22 claims
- 3966US12302258B2Techniques for power control for dual subscribersQUALCOMM INC·Filed 2022·Granted May 13, 2025·0 cites·12 claims
- 4064US12010599B2Alert and warning message protection in MSIMQUALCOMM INC·Filed 2021·Granted Jun 11, 2024·0 cites·15 claims
- 4164US8958281B2Early termination of a base station identity code procedure in TD-SDCMAQUALCOMM INC·Filed 2013·Granted Feb 17, 2015·1 cites·22 claims
- 4263US12082299B2User equipment assistance information indicating a reduction to one transmit chain for a subscriptionQUALCOMM INC·Filed 2022·Granted Sep 3, 2024·0 cites·30 claims
- 4363US11963053B2Conditional handover with multiple subscriptionsQUALCOMM INC·Filed 2022·Granted Apr 16, 2024·0 cites·30 claims
- 4462US12279302B2Techniques for prioritizing communications for dual subscriber user equipmentQUALCOMM INC·Filed 2022·Granted Apr 15, 2025·0 cites·30 claims
- 4562US9467941B2Power based fast dormancyTSAI SHIAU-HE·Filed 2012·Granted Oct 11, 2016·1 cites·20 claims
- 4661US11997616B2Methods and apparatus to facilitate managing multi-sim concurrent mode for co-banded or spectrum overlap carriersQUALCOMM INC·Filed 2021·Granted May 28, 2024·0 cites·30 claims
- 4760US11337168B2Protecting shared low noise amplifiers by limiting transmission powerQUALCOMM INC·Filed 2020·Granted May 17, 2022·0 cites·30 claims
- 4858US12004020B2Techniques for handling calls associated with user equipment transition from dual active mode to dual standby modeQUALCOMM INC·Filed 2021·Granted Jun 4, 2024·0 cites·30 claims
- 4958US11539410B2Antenna switching for a multiple subscriber identity module user equipmentQUALCOMM INC·Filed 2021·Granted Dec 27, 2022·0 cites·30 claims
- 5057US12193047B2Techniques for protecting radio frequency front-end componentsQUALCOMM INC·Filed 2022·Granted Jan 7, 2025·0 cites·26 claims
Showing the top 50 of 137 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →