Inventor
CHANG SANG-HYUN
KR35 patents
⚠️ This page may combine multiple inventors who share the name “CHANG SANG-HYUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAMSUNG ELECTRONICS CO LTD
21 patentsUS10139484B2Nov 27, 2018
Apparatus and method for wireless distance measurement
SAMSUNG ELECTRONICS CO LTD8 citations83
US10097252B2Oct 9, 2018
Method and apparatus for beamforming in wireless communication system
SAMSUNG ELECTRONICS CO LTD6 citations83
US10028089B2Jul 17, 2018
Method and apparatus for estimating location in a terminal
SAMSUNG ELECTRONICS CO LTD8 citations83
US9629122B2Apr 18, 2017
Method and apparatus for beamforming in wireless device
SAMSUNG ELECTRONICS CO LTD14 citations83
US10149107B2Dec 4, 2018
Method and apparatus for estimating position of terminal
SAMSUNG ELECTRONICS CO LTD5 citations72
US10080227B2Sep 18, 2018
Apparatus and method for transmitting data signals in wireless communication system
SAMSUNG ELECTRONICS CO LTD2 citations72
US10353048B2Jul 16, 2019
Apparatus and method for location estimation in a wireless communication system
SAMSUNG ELECTRONICS CO LTD3 citations71
US9867091B2Jan 9, 2018
Apparatus and method for searching target cell for handover in wireless communication system
SAMSUNG ELECTRONICS CO LTD5 citations71
US9661575B2May 23, 2017
Methods and apparatuses for discovering central nodes in wireless communication system
SAMSUNG ELECTRONICS CO LTD2 citations70
US10698102B2Jun 30, 2020
Method and apparatus for reading code using short-range millimeter wave (mmWave) radar
SAMSUNG ELECTRONICS CO LTD2 citations69
US11264714B2Mar 1, 2022
Method and apparatus for beamforming in wireless communication system
SAMSUNG ELECTRONICS CO LTD0 citations62
US10732275B2Aug 4, 2020
Error compensation apparatus and method for measuring distance in wireless communication system
SAMSUNG ELECTRONICS CO LTD1 citations60
US10291305B2May 14, 2019
Beam training method and device in communication system
SAMSUNG ELECTRONICS CO LTD1 citations59
US9467611B2Oct 11, 2016
Method and apparatus for operating camera with interchangeable lens
SAMSUNG ELECTRONICS CO LTD0 citations52
US10070341B2Sep 4, 2018
Method and apparatus for transmitting and receiving buffer status information in wireless communication system
SAMSUNG ELECTRONICS CO LTD0 citations51
US9973886B2May 15, 2018
Wireless device searching apparatus and method in wireless communication system
SAMSUNG ELECTRONICS CO LTD1 citations51
US9807798B2Oct 31, 2017
Apparatus and method for operating resource in wireless local area network system supporting multi-user transmission scheme
SAMSUNG ELECTRONICS CO LTD0 citations51
US10228458B2Mar 12, 2019
Method and apparatus for reading code using short-range millimeter wave (MMWAVE) radar
SAMSUNG ELECTRONICS CO LTD0 citations48
US10251179B2Apr 2, 2019
Method and apparatus for communicating data between station and neighbor access point in communication system
SAMSUNG ELECTRONICS CO LTD0 citations41
US10720989B2Jul 21, 2020
Apparatus and method for transmitting and receiving signal in communication system
SAMSUNG ELECTRONICS CO LTD0 citations40
US10602544B2Mar 24, 2020
Method and apparatus for determining carrier sense threshold in wireless communication system
SAMSUNG ELECTRONICS CO LTD0 citations40
SEOUL VIOSYS CO LTD
13 patentsUSD854118SJul 16, 2019
Insect trap
SEOUL VIOSYS CO LTD17 citations94
US11864547B2Jan 9, 2024
Adhesive-type insect trap having a cover with a light refracting portion formed thereon
SEOUL VIOSYS CO LTD5 citations84
US11225419B2Jan 18, 2022
Sterilization module, water purification device, and system comprising water purification device
SEOUL VIOSYS CO LTD4 citations83
US10550011B2Feb 4, 2020
Sterilization module, water purification device, and system comprising water purification device
SEOUL VIOSYS CO LTD10 citations83
USD826367SAug 21, 2018
Insect trap
SEOUL VIOSYS CO LTD13 citations82
USD814603SApr 3, 2018
Insect trap
SEOUL VIOSYS CO LTD15 citations82
US10827738B2Nov 10, 2020
Insect trap using UV LEDS
SEOUL VIOSYS CO LTD4 citations73
USD854117SJul 16, 2019
Insect trap
SEOUL VIOSYS CO LTD4 citations73
US11787707B2Oct 17, 2023
Sterilization module, water purification device, and system comprising water purification device
SEOUL VIOSYS CO LTD2 citations72
US11406095B2Aug 9, 2022
Adhesive-type insect trap having a light source seat and a light source mount
SEOUL VIOSYS CO LTD4 citations71
US12168617B2Dec 17, 2024
Sterilization module, water purification device, and system comprising water purification device
SEOUL VIOSYS CO LTD0 citations62
US11751554B2Sep 12, 2023
Adhesive-type insect trap having a main body for guiding and stopping movement of an adhesive sheet
SEOUL VIOSYS CO LTD1 citations61
US11102971B2Aug 31, 2021
Slim insect trap using UV LED
SEOUL VIOSYS CO LTD0 citations50