Koohyun Um has been granted 10 US patents while listed as an inventor at Amazon . The first was granted in 2017 and the most recent in March 2024. Koohyun Um ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Koohyun Um in Sunnyvale, CA, US.
Patents per Year Patents granted per year, 2017 to 2024 Bar chart with a peak of 2 patents in 2017. peak 2 2017: 2 patents 2017 2018: 1 patents 2018 2019: 2 patents 2019 2020: 2 patents 2020 2022: 1 patents 2022 2023: 1 patents 2023 2024: 1 patents 2024
Issued Patents All Time
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Showing 1–10 of 10 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
11925447 Out-of-bed zone generation and monitoring associated with respiratory activity tracking Pratik Kalpesh Patel , Feng Zhang , James J Wolfe 2024-03-12
$473,928,000
11793425 Phase disambiguation for radar-based breathing measurements Durgaprasad Shamain , Morris Yuanhsiang Hsu 2023-10-24
$217,954,000
11271629 Human activity and transition detection Jungtao Liu , Ce Zhang 2022-03-08
$266,964,000
10771939 Orientation of directional antennas using horizontal position information Daniel Buchmueller , Ronald Joseph Degges, Jr. , Jin Dong Kim , Gur Kimchi , Sang Eun Lee +1 more 2020-09-08
$193,427,000
10674331 Indoor location estimation for wireless device Rongsheng Huang , Shao-Cheng Wang , Jungtao Liu 2020-06-02
$166,505,000
10310079 Presence detection using wireless signals confirmed with ultrasound and/or audio Ce Zhang , Jungtao Liu 2019-06-04
$90,540,000
10305766 Coexistence-insensitive presence detection Ce Zhang , Jungtao Liu , Peruvemba Ranganathan Sai Ananthanarayanan 2019-05-28
$107,221,000
10149115 Orientation of directional antennas using horizontal position information Daniel Buchmueller , Ronald Joseph Degges, Jr. , Jin Dong Kim , Gur Kimchi , Sang Eun Lee +1 more 2018-12-04
$108,575,000
9698857 Pattern diversity assisted single-input-single-output and two-by-two multiple-input-multiple output (MIMO) antenna systems Tzung-I Lee , In Chul Hyun , Mercyma Deeba Balachandran 2017-07-04
9590298 Orientation of directional antennas Daniel Buchmueller , Ronald Joseph Degges, Jr. , Jin Dong Kim , Gur Kimchi , Sang Eun Lee +1 more 2017-03-07
$42,187,000
