Inventor · disambiguated record
Joonhoi Hur
Also filed as: HUR JOONHOI
64 granted patents·34 pending applications·156 citations·filing 2009–2025
98Inventor score
Top patents by PatentIndex Score
98 records- 0194US11828871B2Electronic devices having spatial ranging calibration capabilitiesAPPLE INC·Filed 2021·Granted Nov 28, 2023·3 cites·20 claims
- 0294US11265038B1Wideband balanced duplexerAPPLE INC·Filed 2020·Granted Mar 1, 2022·6 cites·20 claims
- 0394US10491176B1Reconfigurable radio frequency (RF) power amplifier circuitQUALCOMM INC·Filed 2018·Granted Nov 26, 2019·18 cites·28 claims
- 0493US12040772B2Machine-learning based tuning algorithm for duplexer systemsAPPLE INC·Filed 2021·Granted Jul 16, 2024·3 cites·20 claims
- 0593US10938542B1Electrical balanced duplexer-based duplexerAPPLE INC·Filed 2019·Granted Mar 2, 2021·8 cites·24 claims
- 0692US12047101B2Background noise recorderAPPLE INC·Filed 2022·Granted Jul 23, 2024·2 cites·20 claims
- 0792US11757486B2Reconfigurable electrical balance duplexer (EBD) supporting frequency division duplex (FDD) and time division duplex (TDD)APPLE INC·Filed 2020·Granted Sep 12, 2023·3 cites·20 claims
- 0890US10530615B1Adaptive power equalization in electrical balance duplexersAPPLE INC·Filed 2019·Granted Jan 7, 2020·7 cites·20 claims
- 0990US9979352B2Systems and methods for linearizing operation of a power amplifierQUALCOMM INC·Filed 2016·Granted May 22, 2018·9 cites·23 claims
- 1090US9231527B2Circuits and methods for power amplification with extended high efficiencyQUALCOMM INC·Filed 2013·Granted Jan 5, 2016·16 cites·24 claims
- 1189US10715204B2Reconfigurable electrical balance duplexer (EBD) supporting frequency division duplex (FDD) and time division duplex (TDD)APPLE INC·Filed 2018·Granted Jul 14, 2020·6 cites·11 claims
- 1289US10277173B1Amplifier linearizer with wide bandwidthQUALCOMM INC·Filed 2017·Granted Apr 30, 2019·8 cites·16 claims
- 1389US10056864B2Efficient wideband envelope tracking power amplifierQUALCOMM INC·Filed 2017·Granted Aug 21, 2018·8 cites·30 claims
- 1488US11791973B2Full-duplex electrical balanced duplexerAPPLE INC·Filed 2020·Granted Oct 17, 2023·2 cites·20 claims
- 1588US11309860B1Single ladder duplexer with impedance gradientAPPLE INC·Filed 2020·Granted Apr 19, 2022·2 cites·20 claims
- 1688US9344038B2Tri-phase digital polar modulatorQUALCOMM INC·Filed 2014·Granted May 17, 2016·11 cites·33 claims
- 1787US11368342B2Electrical phase balanced duplexerAPPLE INC·Filed 2020·Granted Jun 21, 2022·2 cites·20 claims
- 1886US10541716B1Radio frequency front-end circuitry amplifier gain calibration systems and methodsAPPLE INC·Filed 2018·Granted Jan 21, 2020·5 cites·20 claims
- 1986US9385669B2Class-E outphasing power amplifier with efficiency and output power enhancement circuits and methodTEXAS INSTRUMENTS INC·Filed 2014·Granted Jul 5, 2016·8 cites·6 claims
- 2086US2025167814A1Duplexer with impedance invertersAPPLE INC·Filed 2024·Application pending·0 cites
- 2184US2025337383A1Machine-learning based tuning algorithm for duplexer systemsAPPLE INC·Filed 2025·Application pending·0 cites
- 2283US11522742B2Electrical phase balanced duplexerAPPLE INC·Filed 2021·Granted Dec 6, 2022·1 cites·20 claims
- 2382US12455368B2Electronic devices with non-static object detectionAPPLE INC·Filed 2023·Granted Oct 28, 2025·0 cites·20 claims
- 2482US2025119113A1Single ladder duplexer with impedance gradientAPPLE INC·Filed 2024·Application pending·0 cites
- 2582US2024411006A1Electronic Devices with Angular Location Detection CapabilitiesAPPLE INC·Filed 2024·Application pending·0 cites
- 2681US12368429B2Machine-learning based tuning algorithm for duplexer systemsAPPLE INC·Filed 2024·Granted Jul 22, 2025·0 cites·20 claims
- 2781US12166509B2Duplexer with impedance invertersAPPLE INC·Filed 2023·Granted Dec 10, 2024·0 cites·20 claims
- 2881US11438131B2Electrical balanced duplexer-based duplexerAPPLE INC·Filed 2021·Granted Sep 6, 2022·1 cites·20 claims
- 2980US12411223B2Electronic devices with angular location detection capabilitiesAPPLE INC·Filed 2023·Granted Sep 9, 2025·0 cites·18 claims
- 3080US9806673B2Class-E outphasing power amplifier with efficiency and output power enhancement circuits and methodTEXAS INSTRUMENTS INC·Filed 2016·Granted Oct 31, 2017·3 cites·12 claims
- 3179US11424900B2Leakage and noise cancelling for double balanced duplexersAPPLE INC·Filed 2020·Granted Aug 23, 2022·1 cites·20 claims
- 3278US12388481B2Background noise recorderAPPLE INC·Filed 2024·Granted Aug 12, 2025·0 cites·20 claims
- 3377US12498473B2Electronic devices with background-cancelled ultra short range object detectionAPPLE INC·Filed 2022·Granted Dec 16, 2025·0 cites·18 claims
- 3477US10826545B1Efficient dual-polarization multi-input and multi-output systemAPPLE INC·Filed 2019·Granted Nov 3, 2020·2 cites·20 claims
- 3577US8831085B2Digital time-interleaved RF-PWM transmitterHEZAR RAHMI·Filed 2011·Granted Sep 9, 2014·5 cites·8 claims
- 3677US2024036165A1Electronic Devices Having Spatial Ranging Calibration CapabilitiesAPPLE INC·Filed 2023·Application pending·0 cites
- 3776US2025155565A1Electronic Devices with Angular Location Detection CapabilitiesAPPLE INC·Filed 2025·Application pending·0 cites
- 3875US10833723B2Downlink receiver channel isolationAPPLE INC·Filed 2019·Granted Nov 10, 2020·2 cites·19 claims
- 3973US12052047B2Electronic devices having quadratic phase generation circuitryAPPLE INC·Filed 2023·Granted Jul 30, 2024·0 cites·16 claims
- 4073US11652675B2Electrical phase balanced duplexerAPPLE INC·Filed 2022·Granted May 16, 2023·0 cites·20 claims
- 4173US8744378B2LINC transmitter with improved efficiencyHUR JOONHOI·Filed 2012·Granted Jun 3, 2014·4 cites·16 claims
- 4273US2023353188A1Duplexer with balanced impedance ladderAPPLE INC·Filed 2023·Application pending·0 cites
- 4372US11782151B2Electronic devices with non-static object detectionAPPLE INC·Filed 2021·Granted Oct 10, 2023·0 cites·14 claims
- 4472US11705927B2Duplexer with impedance invertersAPPLE INC·Filed 2021·Granted Jul 18, 2023·0 cites·20 claims
- 4571US12244546B2Full-duplex electrical balanced duplexerAPPLE INC·Filed 2022·Granted Mar 4, 2025·0 cites·20 claims
- 4671US12176877B2Single ladder duplexer with impedance gradientAPPLE INC·Filed 2021·Granted Dec 24, 2024·0 cites·20 claims
- 4771US12013455B2Electronic devices with background-cancelled ultra short range object detectionAPPLE INC·Filed 2021·Granted Jun 18, 2024·0 cites·20 claims
- 4871US11700029B2Duplexer with balanced impedance ladderAPPLE INC·Filed 2022·Granted Jul 11, 2023·0 cites·20 claims
- 4971US2022302900A1Reconfigurable Feed-Forward for Electrical Balance Duplexers (EBD)APPLE INC·Filed 2022·Application pending·0 cites
- 5070US12181559B2Electronic devices with angular location detection capabilitiesAPPLE INC·Filed 2021·Granted Dec 31, 2024·0 cites·16 claims
Showing the top 50 of 98 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →