Inventor · disambiguated record
In Chul Hyun
Also filed as: HYUN IN CHUL
42 granted patents·562 citations·filing 2010–2022
98Inventor score
Top patents by PatentIndex Score
42 records- 0197US11043985B1Cable loss compensation system for time domain duplexed (TDD) radios using embedded radio frequency (RF) controlAMAZON TECH INC·Filed 2020·Granted Jun 22, 2021·9 cites·20 claims
- 0297US10193236B1Highly isolated sector antenna for concurrent radio operationAMAZON TECH INC·Filed 2016·Granted Jan 29, 2019·29 cites·18 claims
- 0397US9385795B1Four-by-four downlink (4×4 DL) multiple-input-multiple output (MIMO) with existing antenna structuresAMAZON TECH INC·Filed 2015·Granted Jul 5, 2016·40 cites·22 claims
- 0496US9337539B1Combined antenna element with multiple matched feeds for multiple component carrier aggregationAMAZON TECH INC·Filed 2014·Granted May 10, 2016·46 cites·20 claims
- 0596US9331835B1Radio frequency (RF) front-end circuitry for wireless local area network (WLAN), wide area network (WAN) and global positioning system (GPS) communicationsAMAZON TECH INC·Filed 2014·Granted May 3, 2016·22 cites·15 claims
- 0696US9130279B1Multi-feed antenna with independent tuning capabilityAMAZON TECH INC·Filed 2013·Granted Sep 8, 2015·33 cites·20 claims
- 0796US8792930B1Power management for wireless transmissionsGOPALAKRISHNAN VARADARAJAN·Filed 2010·Granted Jul 29, 2014·67 cites·22 claims
- 0895US11218203B1Coordinated dynamic analog beamformerAMAZON TECH INC·Filed 2020·Granted Jan 4, 2022·8 cites·18 claims
- 0995US10361490B1Pattern diversity assisted antenna systemsAMAZON TECH INC·Filed 2015·Granted Jul 23, 2019·14 cites·16 claims
- 1095US9641205B1Active interference cancellationAMAZON TECH INC·Filed 2015·Granted May 2, 2017·19 cites·16 claims
- 1195US8957827B1Antenna structure with multiple matching circuitsLEE TZUNG-I·Filed 2012·Granted Feb 17, 2015·36 cites·22 claims
- 1294US10616904B1Intelligently-switched, concurrently-operated omnidirectional and directional antennasAMAZON TECH INC·Filed 2018·Granted Apr 7, 2020·21 cites·20 claims
- 1394US9887708B2Antenna switching circuitry of a mesh network deviceAMAZON TECH INC·Filed 2016·Granted Feb 6, 2018·9 cites·20 claims
- 1494US9871300B1Steerable phased array antennaAMAZON TECH INC·Filed 2016·Granted Jan 16, 2018·14 cites·20 claims
- 1594US9711858B1Impedance-controlled dual-feed antennaAMAZON TECH INC·Filed 2013·Granted Jul 18, 2017·22 cites·23 claims
- 1694US9431717B1Wideband dual-arm antenna with parasitic elementAMAZON TECH INC·Filed 2013·Granted Aug 30, 2016·18 cites·20 claims
- 1793US10447378B1Wireless mesh network for broadband connectivityAMAZON TECH INC·Filed 2016·Granted Oct 15, 2019·11 cites·19 claims
- 1893US10075198B1Radio frequency (RF) front-end circuitry for wireless local area network (WLAN), wide area network (WAN) and global positioning system (GPS) communicationsAMAZON TECH INC·Filed 2016·Granted Sep 11, 2018·8 cites·21 claims
- 1993US9991914B1Bi-directional radio frequency front-end (RFFE)AMAZON TECH INC·Filed 2017·Granted Jun 5, 2018·9 cites·17 claims
- 2093US9307499B2Using sensors to trigger transmit power managementAMAZON TECH INC·Filed 2014·Granted Apr 5, 2016·9 cites·19 claims
- 2192US9900880B1Mesh network configuration to create spatial separation between simultaneously operated radiosAMAZON TECH INC·Filed 2016·Granted Feb 20, 2018·8 cites·22 claims
- 2292US9786994B1Co-located, multi-element antenna structureAMAZON TECH INC·Filed 2014·Granted Oct 10, 2017·16 cites·20 claims
- 2391US8934937B1Using sensors to trigger transmit power managementZEHR GREGG·Filed 2010·Granted Jan 13, 2015·11 cites·28 claims
- 2490US11949634B1Automatic gain control loop (AGC) for wireless local area network (WLAN) communicationsAMAZON TECH INC·Filed 2022·Granted Apr 2, 2024·4 cites·20 claims
- 2589US11388573B1Enhanced near-field communications for wireless devicesAMAZON TECH INC·Filed 2020·Granted Jul 12, 2022·4 cites·20 claims
- 2689US8878602B1Reducing noise effects in an electronic computing deviceAMAZON TECH INC·Filed 2013·Granted Nov 4, 2014·12 cites·25 claims
- 2788US9698857B1Pattern diversity assisted single-input-single-output and two-by-two multiple-input-multiple output (MIMO) antenna systemsAMAZON TECH INC·Filed 2015·Granted Jul 4, 2017·9 cites·20 claims
- 2888US9391362B1Configurable antennaAMAZON TECH INC·Filed 2013·Granted Jul 12, 2016·10 cites·23 claims
- 2988US8965441B1Reducing wireless interference with transmit power level managementNARASIMHAN SUBRAM·Filed 2010·Granted Feb 24, 2015·8 cites·25 claims
- 3087US10291698B2Antenna structures and isolation chambers of a multi-radio, multi-channel (MRMC) mesh network deviceAMAZON TECH INC·Filed 2017·Granted May 14, 2019·5 cites·20 claims
- 3187US9839006B1Dual radio architecture for an electronic device operable in a wireless local area networkAMAZON TECH INC·Filed 2014·Granted Dec 5, 2017·10 cites·20 claims
- 3286US9295004B2Duty cycling to reduce average transmit powerAMAZON TECH INC·Filed 2014·Granted Mar 22, 2016·5 cites·14 claims
- 3384US10523247B2Network hardware devices organized in a wireless mesh network for content distribution to client devices having no internet connectivityAMAZON TECH INC·Filed 2016·Granted Dec 31, 2019·3 cites·20 claims
- 3483US10615514B2Antenna structures of a multi-radio, multi-channel (MRMC) mesh network deviceAMAZON TECH INC·Filed 2017·Granted Apr 7, 2020·4 cites·20 claims
- 3578US11368173B2Network hardware devices organized in a wireless mesh network for content distribution to client device having no internet connectivityAMAZON TECH INC·Filed 2019·Granted Jun 21, 2022·1 cites·20 claims
- 3674US11075465B2Surface-link antenna architectureAMAZON TECH INC·Filed 2018·Granted Jul 27, 2021·2 cites·20 claims
- 3773US11158952B1Low profile omnidirectional antennaAMAZON TECH INC·Filed 2020·Granted Oct 26, 2021·1 cites·19 claims
- 3872US11134298B2Media device with on-board patch antennasAMAZON TECH INC·Filed 2018·Granted Sep 28, 2021·2 cites·20 claims
- 3972US9153869B1Harmonic suppressed dual feed antennaAMAZON TECH INC·Filed 2012·Granted Oct 6, 2015·3 cites·16 claims
- 4054US10560127B2Antenna structures and reflective chambers of a multi-radio, multi-channel (MRMC) mesh network deviceAMAZON TECH INC·Filed 2016·Granted Feb 11, 2020·0 cites·25 claims
- 4150US11196155B1Collocated radios with improved antenna isolationAMAZON TECH INC·Filed 2019·Granted Dec 7, 2021·0 cites·20 claims
- 4244US11140353B2Media device with on-board patch antenna with dual antenna feedsAMAZON TECH INC·Filed 2019·Granted Oct 5, 2021·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →