Inventor · disambiguated record
Koohyun Um
Also filed as: UM KOOHYUN
10 granted patents·170 citations·filing 2015–2021
89Inventor score
Files withAMAZON TECH INC10
Top patents by PatentIndex Score
10 records- 0198US9590298B1Orientation of directional antennasAMAZON TECH INC·Filed 2015·Granted Mar 7, 2017·37 cites·19 claims
- 0297US10305766B1Coexistence-insensitive presence detectionAMAZON TECH INC·Filed 2018·Granted May 28, 2019·60 cites·20 claims
- 0394US11271629B1Human activity and transition detectionAMAZON TECH INC·Filed 2018·Granted Mar 8, 2022·18 cites·20 claims
- 0494US10674331B1Indoor location estimation for wireless deviceAMAZON TECH INC·Filed 2019·Granted Jun 2, 2020·20 cites·20 claims
- 0594US10310079B1Presence detection using wireless signals confirmed with ultrasound and/or audioAMAZON TECH INC·Filed 2018·Granted Jun 4, 2019·23 cites·20 claims
- 0688US9698857B1Pattern 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
- 0781US11925447B1Out-of-bed zone generation and monitoring associated with respiratory activity trackingAMAZON TECH INC·Filed 2021·Granted Mar 12, 2024·1 cites·16 claims
- 0881US10771939B1Orientation of directional antennas using horizontal position informationAMAZON TECH INC·Filed 2018·Granted Sep 8, 2020·2 cites·23 claims
- 0955US10149115B1Orientation of directional antennas using horizontal position informationAMAZON TECH INC·Filed 2017·Granted Dec 4, 2018·0 cites·20 claims
- 1048US11793425B1Phase disambiguation for radar-based breathing measurementsAMAZON TECH INC·Filed 2020·Granted Oct 24, 2023·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →