Inventor · disambiguated record
Jai-Sang Koh
Also filed as: KOH JAI S · KOH JAI SANG
25 granted patents·21 pending applications·173 citations·filing 2001–2015
95Inventor score
Files withKOREA ELECTRONICS TELECOMM13KIM NAC WOO3LIM KWON-SEOB3OH SEUNG HUN3ELECTRONICS & TELECOMMUNICATIONS RES INST2
Top patents by PatentIndex Score
46 records- 0192US7386234B2Apparatus for remotely determining fault of subscriber terminals and method thereofKOREA ELECTRONICS TELECOMM·Filed 2005·Granted Jun 10, 2008·24 cites·4 claims
- 0290US8641298B2Multi-channel optical moduleLIM KWON-SEOB·Filed 2011·Granted Feb 4, 2014·15 cites·20 claims
- 0388US10057451B2Astral lamp device having detachable and angle-controllable LED module blocks and method of setting the sameELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2015·Granted Aug 21, 2018·5 cites·15 claims
- 0488US8265486B2Optical communication moduleLIM KWON-SEOB·Filed 2009·Granted Sep 11, 2012·15 cites·19 claims
- 0581US7054856B2System for drawing patent map using technical field word and method thereforKOREA ELECTRONICS TELECOMM·Filed 2001·Granted May 30, 2006·58 cites·14 claims
- 0678US7998861B2Method of manufacturing through-viaKOREA ELECTRONICS TELECOMM·Filed 2009·Granted Aug 16, 2011·7 cites·17 claims
- 0778US7792401B2Optical waveguide device and optical communication moduleKOREA ELECTRONICS TELECOMM·Filed 2009·Granted Sep 7, 2010·8 cites·13 claims
- 0874US8503884B2Bidirectional optical transceiverLEE JONG-JIN·Filed 2009·Granted Aug 6, 2013·6 cites·10 claims
- 0973US8667528B2Broadcast augmented reality advertisement service system and method based on media ID matchingYU HONG YEON·Filed 2011·Granted Mar 4, 2014·5 cites·13 claims
- 1070US8277132B2Bidirectional optical transceiver moduleLEE JONG-JIN·Filed 2009·Granted Oct 2, 2012·5 cites·13 claims
- 1168US8619590B2Method for transmitting OAM message and processing error in PON systemLEE YOUNG SUK·Filed 2011·Granted Dec 31, 2013·3 cites·11 claims
- 1268US8488924B2Optical waveguide and bi-directional optical transceiverLEE SEI-HYOUNG·Filed 2010·Granted Jul 16, 2013·3 cites·18 claims
- 1368US7995883B2Optical waveguide and bi-directional optical transceiverKOREA ELECTRONICS TELECOMM·Filed 2009·Granted Aug 9, 2011·4 cites·16 claims
- 1466US8422124B2Seed light module for passive optical networkLEE HAN-HYUB·Filed 2009·Granted Apr 16, 2013·3 cites·9 claims
- 1565US9846286B2Wavelength division multi-channel optical module and manufacturing method thereofELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2015·Granted Dec 19, 2017·1 cites·20 claims
- 1664US8364043B2Method and apparatus for controlling reflective semiconductor optical amplifier (RSOA)KOREA ELECTRONICS TELECOMM·Filed 2009·Granted Jan 29, 2013·3 cites·11 claims
- 1762US8856282B2Channel server, channel prediction server, terminal, and method for fast channel switching using plurality of multicasts interoperating with program rating predictionKIM SANGKYUNE·Filed 2010·Granted Oct 7, 2014·4 cites·18 claims
- 1856US2010138302A1Ue and advertisement service server for bidirectional personalized advertisement, and bidirectional personalized advertisement methodPARK IL-KYUN·Filed 2009·Application pending·0 cites
- 1954US8204081B2Apparatus and method for inserting or extracting network timestampKIM NAC-WOO·Filed 2009·Granted Jun 19, 2012·2 cites·6 claims
- 2048US8208465B2Apparatus and method for controlling multicast in multi hop networksKO SEOKKAP·Filed 2010·Granted Jun 26, 2012·1 cites·14 claims
- 2146US8463136B2Burst mode optical repeaterLEE MUN-SEOB·Filed 2009·Granted Jun 11, 2013·0 cites·14 claims
- 2246US7848652B2Wavelength division multiplexing passive optical network system and method of generating optical sourceKOREA ELECTRONICS TELECOMM·Filed 2004·Granted Dec 7, 2010·1 cites·7 claims
- 2346US2010158522A1Seed light module based on single longitudinal mode oscillation light sourceCHO SEUNG-HYUN·Filed 2009·Application pending·0 cites
- 2445US8817820B2System for controlling path maximum transmission unit by detecting repetitional IP packet fragmentation and method thereofOH SEUNG-HUN·Filed 2009·Granted Aug 26, 2014·0 cites·17 claims
- 2544US7471900B2Passive optical network system and method of transmitting broadcasting signal in sameKOREA ELECTRONICS TELECOMM·Filed 2005·Granted Dec 30, 2008·0 cites·6 claims
- 2644US2010158526A1Optical transceiver suitable for use in hybrid, passive optical networkLEE HAN-HYUB·Filed 2009·Application pending·0 cites
- 2744US2010134592A1Method and apparatus for transceiving multi-view videoKIM NAC-WOO·Filed 2009·Application pending·0 cites
- 2844US2010150560A1Apparatus and method for transmitting optical signals with enhanced reflection sensitivity in wavelength division multiplexing passive optical network (wdm-pon)ELECTRONICS AND COMM RES INST·Filed 2009·Application pending·0 cites
- 2942US2011020002A1Optical line terminal, method for operating optical reception interface, and method for processing continuous mode signal of optical line terminalELECTRONICS TELECOMM RES INST·Filed 2009·Application pending·0 cites
- 3040US2010158513A1Apparatus and method for measuring signal performance and apparatus for selecting signalJUNG EUI-SUK·Filed 2009·Application pending·0 cites
- 3139US9002212B2Method and apparatus for burst mode clock and data recoveryLEE MUN SEOB·Filed 2011·Granted Apr 7, 2015·0 cites·10 claims
- 3239US2010149965A1Apparatus and method for restoring network connected with users having different recovery requirementsJUNG EUI-SUK·Filed 2009·Application pending·0 cites
- 3338US2013152118A1Apparatus and method for acquiring channel information using broadcast dataOH SEUNG HUN·Filed 2011·Application pending·0 cites
- 3438US2012167140A1System and method of providing personalized servicePARK IL KYUN·Filed 2011·Application pending·0 cites
- 3537US2011080425A1System for providing multi-angle broadcasting serviceKOREA ELECTRONICS TELECOMM·Filed 2010·Application pending·0 cites
- 3637US2011090970A1Terminal and relay node for video conference systemKOREA ELECTRONICS TELECOMM·Filed 2010·Application pending·0 cites
- 3737US2005140968A1Collimating detection apparatus and optical module packaging apparatus using the sameFiled 2004·Application pending·0 cites
- 3837US2011061070A1Participant terminal device, wired and wireless coupled server for supporting broadcasting participation, and method of providing participational broadcasting serviceKOREA ELECTRONICS TELECOMM·Filed 2010·Application pending·0 cites
- 3936US8047088B2Environmental test chamber having movable panel and method of driving the sameKOREA ELECTRONICS TELECOMM·Filed 2009·Granted Nov 1, 2011·0 cites·17 claims
- 4036US2012127994A1Multicast communication method, apparatus and system for intermittently connected networkKO SEOK-KAP·Filed 2011·Application pending·0 cites
- 4136US2012127458A1Multi-function optical measurement deviceLIM KWON-SEOB·Filed 2011·Application pending·0 cites
- 4235US2012154531A1Apparatus and method for offering 3d video processing, rendering, and displayingKIM NAC WOO·Filed 2011·Application pending·0 cites
- 4335US2011082691A1Broadcasting system interworking with electronic devicesKOREA ELECTRONICS TELECOMM·Filed 2010·Application pending·0 cites
- 4434US2012163289A1Node apparatus, node management apparatus and method, and communication system based on continuous network connectivity-lacking networkOH SEUNG-HUN·Filed 2011·Application pending·0 cites
- 4534US2011125917A1Overlay multicast system for group media transmission application service composed of multiple streamELECTRONICS AND TELECOMM RESEACH INST·Filed 2010·Application pending·0 cites
- 4632US2012165040A1Method for locating wireless nodes using difference triangulationLEE BYUNG TAK·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →