Koohyun Um

Person

Sunnyvale, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Out-of-bed zone generation and monitoring associated with respirato...
- Patent number 11,925,447
- Issue date Mar 12, 2024
- Amazon Technologies, Inc.
- Pratik Kalpesh Patel
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Phase disambiguation for radar-based breathing measurements
- Patent number 11,793,425
- Issue date Oct 24, 2023
- Amazon Technologies, Inc.
- Durgaprasad Kashinath Shamain
- G01 - MEASURING TESTING
Information Patent Grant
Human activity and transition detection
- Patent number 11,271,629
- Issue date Mar 8, 2022
- Amazon Technologies, Inc.
- Koohyun Um
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Orientation of directional antennas using horizontal position infor...
- Patent number 10,771,939
- Issue date Sep 8, 2020
- Amazon Technologies, Inc.
- Daniel Buchmueller
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Indoor location estimation for wireless device
- Patent number 10,674,331
- Issue date Jun 2, 2020
- Amazon Technologies, Inc.
- Rongsheng Huang
- G01 - MEASURING TESTING
Information Patent Grant
Presence detection using wireless signals confirmed with ultrasound...
- Patent number 10,310,079
- Issue date Jun 4, 2019
- Amazon Technologies, Inc.
- Koohyun Um
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Coexistence-insensitive presence detection
- Patent number 10,305,766
- Issue date May 28, 2019
- Amazon Technologies, Inc.
- Ce Zhang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Orientation of directional antennas using horizontal position infor...
- Patent number 10,149,115
- Issue date Dec 4, 2018
- Amazon Technologies, Inc.
- Daniel Buchmueller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Pattern diversity assisted single-input-single-output and two-by-tw...
- Patent number 9,698,857
- Issue date Jul 4, 2017
- Amazon Technologies, Inc.
- Tzung-I Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Orientation of directional antennas
- Patent number 9,590,298
- Issue date Mar 7, 2017
- Amazon Technologies, Inc.
- Daniel Buchmueller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Person

Patents Grantslast 30 patents

Out-of-bed zone generation and monitoring associated with respirato...

Phase disambiguation for radar-based breathing measurements

Human activity and transition detection

Orientation of directional antennas using horizontal position infor...

Indoor location estimation for wireless device

Presence detection using wireless signals confirmed with ultrasound...

Coexistence-insensitive presence detection

Orientation of directional antennas using horizontal position infor...

Pattern diversity assisted single-input-single-output and two-by-tw...

Orientation of directional antennas