Inventor · disambiguated record
Gwangzeen Ko
Also filed as: KO GWANGZEEN
20 granted patents·22 pending applications·15 citations·filing 2006–2025
89Inventor score
Files withELECTRONICS & TELECOMMUNICATIONS RES INST14KOREA ELECTRONICS TELECOMM11HWANG SUNG HYUN5KO GWANGZEEN4UM JUNG-SUN2
Top patents by PatentIndex Score
42 records- 0176US11862382B2Spiral coil and wireless power transmission and reception circuit including the sameELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2022·Granted Jan 2, 2024·0 cites·15 claims
- 0271US8326336B2Apparatus and method for communication in cognitive radio networkUM JUNG-SUN·Filed 2010·Granted Dec 4, 2012·3 cites·20 claims
- 0369US8477799B2Method for using flexible bandwidth in OFDMA-based cognitive radio system, base station and subscriber station using the sameHWANG SUNG HYUN·Filed 2006·Granted Jul 2, 2013·4 cites·39 claims
- 0466US2024153689A1Fraunhofer resonant coil coupled with electromagnetic fieldELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2023·Application pending·0 cites
- 0565US8787271B2Method and device for communication between devices with different transmission coverageUM JUNG SUN·Filed 2010·Granted Jul 22, 2014·2 cites·13 claims
- 0664US12142932B2Wireless power transmission resonator using conducting wire with vertical rectangular cross-sectionELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2022·Granted Nov 12, 2024·0 cites·15 claims
- 0761US9270501B2Method for removing signal interference based on multiple input multiple outputKOREA ELECTRONICS TELECOMM·Filed 2014·Granted Feb 23, 2016·1 cites·10 claims
- 0861US8964640B2Hybrid beaconing methodKO GWANGZEEN·Filed 2009·Granted Feb 24, 2015·2 cites·12 claims
- 0961US2024213814A1Wireless charging system, method of removing foreign object in wireless charging system, and computing device for performing the methodELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2023·Application pending·0 cites
- 1060US12260565B2Image processing-based foreign substance detection method in wireless charging system and device performing methodELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2022·Granted Mar 25, 2025·0 cites·12 claims
- 1159US2022394854A1Method and system for making coil for wireless chargingELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2022·Application pending·0 cites
- 1258US2024322601A1Wireless power transmitter that changes operation frequency and operation method of the sameELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2024·Application pending·0 cites
- 1358US2024257489A1Image processing method of multi-dimensional region of interest in wireless charging system, and computing apparatus performing the methodELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2023·Application pending·0 cites
- 1457US2024356380A1Wireless charging system for attenuating electromagnetic wavesELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2024·Application pending·0 cites
- 1556US8675594B2Method for sensing spectrum and arranging quiet period in cognitive radio system, customer premise equipment, base station and superframe structure using the sameKANG BUB-JOO·Filed 2007·Granted Mar 18, 2014·1 cites·5 claims
- 1656US2025323531A1Method and apparatus for detecting foreign objects using variable monitoring area in wireless charging systemELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2025·Application pending·0 cites
- 1756US2023352977A1Method of wirelessly transmitting power and device for performing the methodELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2023·Application pending·0 cites
- 1855US8619699B2Channel switching apparatus and method of a base station and channel switching apparatus and method of a terminal based on the cognitive radio systemKO GWANGZEEN·Filed 2008·Granted Dec 31, 2013·1 cites·24 claims
- 1954US8661143B2Reserving resources in centralized network by scanning superframes equal to or greater than maximum number of superframes allowed without listening to beacon periodLEE MOON-WON·Filed 2010·Granted Feb 25, 2014·1 cites·8 claims
- 2053US2024129749A1Reflector/scatterer for use in expanding communication service coverage areaELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2023·Application pending·0 cites
- 2151US2022352758A1Apparatuses and methods for wirelessly transmitting and receiving powerELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2022·Application pending·0 cites
- 2250US8600418B2Relay station for cell information exchange between adjacent BSs over air links in cellular systemsKO GWANGZEEN·Filed 2009·Granted Dec 3, 2013·0 cites·13 claims
- 2350US8488526B2Network communication method and network device using preambleHWANG SUNG-HYUN·Filed 2008·Granted Jul 16, 2013·0 cites·14 claims
- 2448US2011129026A1Method and apparatus for transmitting and receiving data using frequency diversity schemeKOREA ELECTRONICS TELECOMM·Filed 2009·Application pending·0 cites
- 2546US8693410B2Method and apparatus of hybrid burst mapping in OFDMA systemsHWANG SUNG-HYUN·Filed 2008·Granted Apr 8, 2014·0 cites·18 claims
- 2646US2010272039A1Method of managing multiple channels in single network and network management deviceKOREA ELECTRONICS TELECOMM·Filed 2008·Application pending·0 cites
- 2745US12456882B2Wireless power reception apparatusELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2023·Granted Oct 28, 2025·0 cites·11 claims
- 2845US2010265871A1Beacon re-broadcasting apparatus, beacon re-broadcasting method, and initial access request method in wireless networkKOREA ELECTRONICS TELECOMM·Filed 2008·Application pending·0 cites
- 2944US2010284355A1Handshaking method, and transmission power determining method and apparatus thereof for parallel transmission of multiple streams in single radio channelKOREA ELECTRONICS TELECOMM·Filed 2008·Application pending·0 cites
- 3043US8639736B2Method and apparatus for detecting signal using cyclo-stationary characterisiticsLIM SUNMIN·Filed 2008·Granted Jan 28, 2014·0 cites·16 claims
- 3143US2011249589A1Channel sensing scheme using natural quiet period in cognitive radio systemELECTRONICS & TELECOMM RES·Filed 2009·Application pending·0 cites
- 3242US8780940B2Method and apparatus for compressing frameYOU SUNG-JIN·Filed 2009·Granted Jul 15, 2014·0 cites·13 claims
- 3341US9385834B2Method for interference alignment using multiple antennas in overlapped multi-cell overlapped environmentKOREA ELECTRONICS TELECOMM·Filed 2014·Granted Jul 5, 2016·0 cites·18 claims
- 3441US2009190537A1Method, apparatus for dynamic resource allocation method in ofdma-based cognitive radio system and forward link frame structure thereofHWANG SUNG HYUN·Filed 2006·Application pending·0 cites
- 3540US2014286244A1Method and apparatus for controlling near field wireless networkKOREA ELECTRONICS TELECOMM·Filed 2013·Application pending·0 cites
- 3640US2014349581A1Apparatus and method for partial interference alignment in multi-antenna communication systemKOREA ELECTRONICS TELECOMM·Filed 2013·Application pending·0 cites
- 3740US2009219909A1Method for switching and managing frequency access in cognitive radio system, base station and subscriber station using the sameKO GWANGZEEN·Filed 2006·Application pending·0 cites
- 3840US2014146736A1Method of grouping stations in multi-transmissionKOREA ELECTRONICS TELECOMM·Filed 2013·Application pending·0 cites
- 3938US9215661B2Transmission power control method and device for cognitive radio deviceHWANG SUNG-HYUN·Filed 2010·Granted Dec 15, 2015·0 cites·16 claims
- 4036US2011103320A1Contention-based data communication apparatus and methodKOREA ELECTRONICS TELECOMM·Filed 2010·Application pending·0 cites
- 4135US8594585B2Wireless communication system and method for sharing sensing antenna, sensing receiver, data transceiver antenna, and data transceiverJUNG HOIYOON·Filed 2010·Granted Nov 26, 2013·0 cites·17 claims
- 4231US2015341090A1Apparatus and method for processing transmission/reception signals for interference alignment in mu-mimo interfering broadcast channelKOREA ELECTRONICS TELECOMM·Filed 2015·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Gwangzeen Ko files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →