Inventor · disambiguated record
Sung Chang Kim
Also filed as: KIM SUNG CHANG
40 granted patents·18 pending applications·96 citations·filing 2007–2025
96Inventor score
Files withELECTRONICS & TELECOMMUNICATIONS RES INST30KOREA ELECTRONICS TELECOMM10KIM SUNG CHANG4YOO HARK4KIM GEUN YONG3
Top patents by PatentIndex Score
58 records- 0192US9860011B2Method and apparatus for selecting wavelength in hybrid passive optical network systemELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2016·Granted Jan 2, 2018·9 cites·11 claims
- 0289US12218801B2Adaptive deep learning inference apparatus and method in mobile edge computingELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2021·Granted Feb 4, 2025·3 cites·17 claims
- 0389US8768163B2Detecting rogue ONU, OLT and PON systemKIM GEUN YONG·Filed 2011·Granted Jul 1, 2014·19 cites·14 claims
- 0486US10018791B2Multi-channel optical subassembly and method of manufacturing the sameELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2017·Granted Jul 10, 2018·5 cites·10 claims
- 0584US8346082B2Method of saving power in optical access networkKOREA ELECTRONICS TELECOMM·Filed 2008·Granted Jan 1, 2013·11 cites·4 claims
- 0681US8139937B2Automatic optical power control method for OLT in PONKIM SUNG-CHANG·Filed 2007·Granted Mar 20, 2012·9 cites·7 claims
- 0779US9197353B2Wavelength selection and configuration method for multi-wavelength optical communication systemKOREA ELECTRONICS TELECOMM·Filed 2013·Granted Nov 24, 2015·4 cites·15 claims
- 0878US11454770B2Apparatus and method for adjusting optical axis for optical wireless communication in free spaceELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2020·Granted Sep 27, 2022·1 cites·15 claims
- 0976US10648860B2Spectroscopic deviceELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2018·Granted May 12, 2020·2 cites·4 claims
- 1076US8542995B2Optical network terminal, method for time syncronization thereof, optical line terminal, and method for managing network thereofKIM SUNG CHANG·Filed 2010·Granted Sep 24, 2013·4 cites·14 claims
- 1175US9614612B2Fast protection switching method for passive optical networkELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2015·Granted Apr 4, 2017·3 cites·10 claims
- 1274US9553692B2Method and system for determining and controlling power of optical transmitter of optical network unit for time and wavelength division multiplexing passive optical networkELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2015·Granted Jan 24, 2017·2 cites·16 claims
- 1374US8081661B2Dynamic bandwidth allocation device for an optical network and method thereofYOO HARK·Filed 2007·Granted Dec 20, 2011·6 cites·13 claims
- 1473US8938167B2Apparatus and method for managing dynamic bandwidth allocation to support low-power mode in passive optical network (PON)YOO HARK·Filed 2012·Granted Jan 20, 2015·3 cites·6 claims
- 1572US10591714B2Endoscopic apparatus for thermal distribution monitoringELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2017·Granted Mar 17, 2020·2 cites·17 claims
- 1668US9825710B2Method and system for determining and controlling power of optical transmitter of optical network unit for time and wavelength division multiplexing passive optical networkELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2016·Granted Nov 21, 2017·1 cites·19 claims
- 1768US8619590B2Method for transmitting OAM message and processing error in PON systemLEE YOUNG SUK·Filed 2011·Granted Dec 31, 2013·3 cites·11 claims
- 1866US10205524B2Method and apparatus for setting quiet window in passive optical network systemELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2017·Granted Feb 12, 2019·1 cites·15 claims
- 1965US10833763B2Bi-directional wireless optical communication apparatus and method thereofELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2019·Granted Nov 10, 2020·1 cites·16 claims
- 2065US8983295B2Optical line terminal and method of registering optical network terminal thereofKOREA ELECTRONICS TELECOMM·Filed 2013·Granted Mar 17, 2015·1 cites·18 claims
- 2164US10209443B2Multi-wavelength transmission apparatus using cylindrical lensesELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2017·Granted Feb 19, 2019·1 cites·10 claims
- 2263US8351436B2Apparatus and method for efficient bandwidth allocation on time division multiple access-based passive optical network (TDMA-PON)KOREA ELECTRONICS TELECOMM·Filed 2008·Granted Jan 8, 2013·2 cites·9 claims
- 2361US8842999B2Optical network unit and method of saving power thereofKIM SUNG CHANG·Filed 2011·Granted Sep 23, 2014·1 cites·5 claims
- 2460US8639117B2Apparatus and method for allocating dynamic bandwidthYOO HARK·Filed 2010·Granted Jan 28, 2014·1 cites·9 claims
- 2559US9553665B2Apparatus and method for detecting optical line fault in passive optical networkELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2015·Granted Jan 24, 2017·1 cites·18 claims
- 2658US2025141786A1Power grid access security system and method for intermittent communication portsELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2024·Application pending·0 cites
- 2756US2025286925A1Mobile device and selective offloading method of the sameELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2025·Application pending·0 cites
- 2855US9609403B2Method of controlling optical network unit (ONU) in sleep modeELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2014·Granted Mar 28, 2017·0 cites·13 claims
- 2955US2024161492A1Image collection sensor device, unmanned counting edge computing system and method using the sameELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2023·Application pending·0 cites
- 3053US2025080379A1Edge gateway system for providing device use and resource sharing suggestions and operating method thereofELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2024·Application pending·0 cites
- 3150US9774404B2Apparatus and method for recognizing optical connector connectionELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2016·Granted Sep 26, 2017·0 cites·15 claims
- 3249US9088382B2Optical line terminal of passive optical network, and method for controlling upstream band using the sameKOREA ELECTRONICS TELECOMM·Filed 2013·Granted Jul 21, 2015·0 cites·9 claims
- 3349US9002199B2Apparatus and method for monitoring optical lineKOREA ELECTRONICS TELECOMM·Filed 2013·Granted Apr 7, 2015·0 cites·10 claims
- 3448US9184844B2Optical network system and method for controlling optical network systemKOREA ELECTRONICS TELECOMM·Filed 2013·Granted Nov 10, 2015·0 cites·14 claims
- 3547US10884186B2Multi-channel receiver optical sub assembly module for fiber Bragg grating sensorELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2020·Granted Jan 5, 2021·0 cites·20 claims
- 3647US9883335B2Handheld device and method for measuring quality of optical linkELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2016·Granted Jan 30, 2018·0 cites·20 claims
- 3746US9184851B2Optical line terminal and optical network unit for supporting sleep mode thereofKOREA ELECTRONICS TELECOMM·Filed 2013·Granted Nov 10, 2015·0 cites·8 claims
- 3844US10338326B2Multi-channel optical subassembly structure comprising an alignment jig and method of packaging the structureELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2017·Granted Jul 2, 2019·0 cites·14 claims
- 3944US2016020913A1Method for power saving in optical access network by using synchronized sleep cycleKOREA ELECTRONICS TELECOMM·Filed 2014·Application pending·0 cites
- 4044US2021208535A1System and method for digital holographic imagingELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2020·Application pending·0 cites
- 4144US2014059531A1Method and apparatus for updating terminal softwareTELECOMM RES INST ELECTRONICS AND·Filed 2013·Application pending·0 cites
- 4242US9178619B2Passive optical network (PON)-based system and method for providing handover among optical network terminals (ONTs)LEE YOUNG SUK·Filed 2012·Granted Nov 3, 2015·0 cites·8 claims
- 4342US8934781B2Optical subscriber networkKIM SUNG CHANG·Filed 2011·Granted Jan 13, 2015·0 cites·14 claims
- 4442US8630550B2Optical repeater and optical signal amplifying method thereofLEE MUN SEOB·Filed 2011·Granted Jan 14, 2014·0 cites·14 claims
- 4542US2019146296A1Variable optical attenuatorELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2018·Application pending·0 cites
- 4642US2018088378A1Polarimetric-analysis-type dual liquid crystal wavelength filter moduleELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2017·Application pending·0 cites
- 4741US9755736B2Smart remote node optical network unit and operation method thereofELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2016·Granted Sep 5, 2017·0 cites·9 claims
- 4841US8335217B2Method and apparatus for filtering multicast port identifier in gigabit-capable passive optical network (GPON) systemKIM GEUN YONG·Filed 2010·Granted Dec 18, 2012·0 cites·19 claims
- 4941US2019090726A1Optical device using liquid crystal tunable wavelength filterELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2018·Application pending·0 cites
- 5039US9002212B2Method and apparatus for burst mode clock and data recoveryLEE MUN SEOB·Filed 2011·Granted Apr 7, 2015·0 cites·10 claims
Showing the top 50 of 58 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →