P

Inventor

KIM CHEOL-SU

KR47 patents
⚠️ This page may combine multiple inventors who share the name “KIM CHEOL-SU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AMAZON TECH INC

35 patents
US10880903B1Dec 29, 2020

Multi-mode dynamic frequency selection system

AMAZON TECH INC159 citations98
US10193236B1Jan 29, 2019

Highly isolated sector antenna for concurrent radio operation

AMAZON TECH INC29 citations94
US9711858B1Jul 18, 2017

Impedance-controlled dual-feed antenna

AMAZON TECH INC22 citations94
US9130279B1Sep 8, 2015

Multi-feed antenna with independent tuning capability

AMAZON TECH INC33 citations94
US10862518B1Dec 8, 2020

Radio frequency decibel scaled wireless interference detector

AMAZON TECH INC44 citations93
US10616904B1Apr 7, 2020

Intelligently-switched, concurrently-operated omnidirectional and directional antennas

AMAZON TECH INC21 citations93
US9331835B1May 3, 2016

Radio frequency (RF) front-end circuitry for wireless local area network (WLAN), wide area network (WAN) and global positioning system (GPS) communications

AMAZON TECH INC22 citations92
US11043985B1Jun 22, 2021

Cable loss compensation system for time domain duplexed (TDD) radios using embedded radio frequency (RF) control

AMAZON TECH INC9 citations85
US10440584B1Oct 8, 2019

Millimeter-wave radio architecture for multi-channel concurrent operation

AMAZON TECH INC16 citations85
US10447378B1Oct 15, 2019

Wireless mesh network for broadband connectivity

AMAZON TECH INC11 citations84
US10263667B2Apr 16, 2019

Mesh network device with power line communications (PLC) and wireless connections

AMAZON TECH INC7 citations84
US10075198B1Sep 11, 2018

Radio frequency (RF) front-end circuitry for wireless local area network (WLAN), wide area network (WAN) and global positioning system (GPS) communications

AMAZON TECH INC8 citations84
US9991914B1Jun 5, 2018

Bi-directional radio frequency front-end (RFFE)

AMAZON TECH INC9 citations84
US9900880B1Feb 20, 2018

Mesh network configuration to create spatial separation between simultaneously operated radios

AMAZON TECH INC8 citations84
US9786994B1Oct 10, 2017

Co-located, multi-element antenna structure

AMAZON TECH INC16 citations84
US9391362B1Jul 12, 2016

Configurable antenna

AMAZON TECH INC10 citations84
US11218203B1Jan 4, 2022

Coordinated dynamic analog beamformer

AMAZON TECH INC8 citations83
US10887026B1Jan 5, 2021

Antenna disconnection detection of distributed radio frequency ports in a wireless network

AMAZON TECH INC7 citations83
US10581155B1Mar 3, 2020

Active interference cancellation

AMAZON TECH INC19 citations82
US9887708B2Feb 6, 2018

Antenna switching circuitry of a mesh network device

AMAZON TECH INC9 citations82
US9641205B1May 2, 2017

Active interference cancellation

AMAZON TECH INC19 citations82
US11606791B1Mar 14, 2023

Multi-tier coordinated dynamic frequency selection (DFS) system

AMAZON TECH INC2 citations72
US11121693B1Sep 14, 2021

Radio frequency port impedance detection using concurrent radios

AMAZON TECH INC4 citations72
US11075465B2Jul 27, 2021

Surface-link antenna architecture

AMAZON TECH INC2 citations71
US11949634B1Apr 2, 2024

Automatic gain control loop (AGC) for wireless local area network (WLAN) communications

AMAZON TECH INC4 citations70
US9153869B1Oct 6, 2015

Harmonic suppressed dual feed antenna

AMAZON TECH INC3 citations63
US11706635B2Jul 18, 2023

Scalable network architecture

AMAZON TECH INC1 citations62
US11658634B1May 23, 2023

Radio frequency port impedance detection using concurrent radios

AMAZON TECH INC0 citations62
US11483844B1Oct 25, 2022

Multi-mode dynamic frequency selection system

AMAZON TECH INC0 citations62
US11469804B1Oct 11, 2022

Sectorized analog beam search system

AMAZON TECH INC1 citations61
US12035396B2Jul 9, 2024

Multi-functional, software configurable device for fixed wireless networks

AMAZON TECH INC0 citations59
US11546015B1Jan 3, 2023

Cable loss compensation system for time domain duplexed (TDD) radios using embedded radio frequency (RF) control

AMAZON TECH INC0 citations59
US11375561B2Jun 28, 2022

Multi-functional, software configurable device for fixed wireless networks

AMAZON TECH INC0 citations59
US12525693B1Jan 13, 2026

EBG-based electronic filter using multi-layer and multi-cell structure

AMAZON TECH INC0 citations53
US11659588B1May 23, 2023

Multi-tier coordinated channel prioritization system

AMAZON TECH INC0 citations51

SAMSUNG DISPLAY CO LTD

5 patents

KIM YOUNG-DAE

1 patent

LEE IN-WHAN

1 patent

SK PLANET CO LTD

1 patent

SAMSUNG MOBILE DISPLAY CO LTD

1 patent

KOREA INST OF NUCLEAR SAFETY

1 patent

KIM CHEOL-SU

1 patent

KOREA INSITUTE OF NUCLEAR SAFE

1 patent