Inventor · disambiguated record
Kwang Joon Kim
Also filed as: KIM KWANG J · KIM KWANG JOON
37 granted patents·27 pending applications·302 citations·filing 1996–2023
97Inventor score
Files withKOREA ELECTRONICS TELECOMM32CHUNG HWAN SEOK6ELECT & TELECOMM RESEARCH INST4CHANG SUN-HYOK3ELECTRONICS & TELECOMMUNICATIONS RES INST3
Top patents by PatentIndex Score
64 records- 0193US6529319B2Automatic gain-controlled optical fiber amplifierKOREA ELECTRONICS TELECOMM·Filed 2001·Granted Mar 4, 2003·53 cites·4 claims
- 0292US6559989B1Optical packet header processing apparatus for optical packet switchKOREA ELECTRONICS TELECOMM·Filed 2000·Granted May 6, 2003·41 cites·9 claims
- 0388US7133196B1Erbium doped fiber amplifier for reducing transient phenomena of OSNR and BER in dynamic WDM system and amplifying method thereofKOREA ELECTRONICS TELECOMM·Filed 2005·Granted Nov 7, 2006·11 cites·5 claims
- 0485US8681885B2OFDM receiver and method for compensating for I/Q imbalanceCHUNG HWAN-SEOK·Filed 2010·Granted Mar 25, 2014·8 cites·3 claims
- 0582US8260154B2Digital equalization apparatus and method for coherent optical receiverCHANG SUN-HYOK·Filed 2009·Granted Sep 4, 2012·13 cites·5 claims
- 0680US6928243B2Optical performance monitoring apparatus for a WDM optical communication systemKOREA ELECTRONICS TELECOMM·Filed 2000·Granted Aug 9, 2005·17 cites·5 claims
- 0775US8406625B2Apparatus and method for cross-connecting optical path in wavelength division multiplexing systemCHUNG HWAN-SEOK·Filed 2009·Granted Mar 26, 2013·5 cites·9 claims
- 0874US7755073B2Acousto-optic filter and optical CDMA system using the sameKOREA ELECTRONICS TELECOMM·Filed 2009·Granted Jul 13, 2010·4 cites·3 claims
- 0973US7676155B2Dynamic wavelength allocation device using 3R wavelength converter having limited wavelength conversion range and method thereofKOREA ELECTRONICS TELECOMM·Filed 2006·Granted Mar 9, 2010·5 cites·9 claims
- 1073US6570698B2Apparatus and method for modulating optical intensity with amplitude noise suppressed by using linear optical modulatorKOREA ELECTRONICS TELECOMM·Filed 2000·Granted May 27, 2003·15 cites·7 claims
- 1172US8355612B2Active alignment method for multi-channel optical transmitter and receiver, which has an optical signal generator with an optical multiplexer, which has an optical signal generator with an optical multiplexerKOREA ELECTRONICS TELECOMM·Filed 2009·Granted Jan 15, 2013·5 cites·6 claims
- 1272US7356220B2Apparatus and method for reducing signal noise and OCDMA receiver and methodKOREA ELECTRONICS TELECOMM·Filed 2006·Granted Apr 8, 2008·4 cites·16 claims
- 1371US8116623B2Multi-ring network operating method and systemCHUNG HWAN-SEOK·Filed 2008·Granted Feb 14, 2012·4 cites·27 claims
- 1471US7313333B2Apparatus for controlling decision threshold voltage to optical receiverKOREA ELECTRONICS TELECOMM·Filed 2004·Granted Dec 25, 2007·12 cites·3 claims
- 1569US8254291B2Ethernet device and lane operating methodAHN KYE-HYUN·Filed 2009·Granted Aug 28, 2012·4 cites·19 claims
- 1667US8036527B2Apparatus and method for protection switching of optical channelKOREA ELECTRONICS TELECOMM·Filed 2008·Granted Oct 11, 2011·3 cites·4 claims
- 1766US7394983B2Method and apparatus for detecting optical switch fault by monitoring optical output transitionsKOREA ELECTRONICS TELECOMM·Filed 2003·Granted Jul 1, 2008·7 cites·4 claims
- 1863US6791685B2Optical signal performance monitoring apparatus and method in multi-channel optical transmission systemKOREA ELECTRONICS TELECOMM·Filed 2002·Granted Sep 14, 2004·7 cites·8 claims
- 1963US2025092252A1Conductive resin composition, method of preparing the same, and molded article including the sameLG CHEMICAL LTD·Filed 2023·Application pending·0 cites
- 2062US9787401B2Mode division multiplexed passive optical network (MDM-PON) apparatus, and transmission and reception method using the sameELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2016·Granted Oct 10, 2017·1 cites·9 claims
- 2161US7049902B2Tunable high-order bessel low pass filterKOREA ELECTRONICS TELECOMM·Filed 2004·Granted May 23, 2006·8 cites·3 claims
- 2259US2014242354A1Encapsulation film with thin layer composed of graphene oxide and reduced graphene oxide and method for forming the sameLEE KEUN SOO·Filed 2014·Application pending·0 cites
- 2358US8224190B2Channel assignment method and apparatus for wavelength-division-multiplexed transmission systemCHUNG HWAN-SEOK·Filed 2009·Granted Jul 17, 2012·1 cites·13 claims
- 2457US5770851ACompact optical logic operator arrayKOREA ELECTRONICS TELECOMM·Filed 1996·Granted Jun 23, 1998·21 cites·14 claims
- 2556US6097529AApparatus for enhancing extinction ratio in optical NRZ-to-RZ converting system, and optical modulation system thereforKOREA ELECTRONICS TELECOMM·Filed 1998·Granted Aug 1, 2000·24 cites·3 claims
- 2654US7075694B2Apparatus and method for automatically correcting bias voltage for carrier suppressed pulse generating modulatorKOREA ELECTRONICS TELECOMM·Filed 2004·Granted Jul 11, 2006·3 cites·9 claims
- 2754US6606190B2Inhomogeneity tunable erbium-doped fiber amplifier with long wavelength gain band and method of blocking propagation of backward amplified spontaneous light emission in the sameKOREA ELECTRONICS TELECOMM·Filed 2001·Granted Aug 12, 2003·3 cites·7 claims
- 2851US8437636B2Methods of transmitting and receiving multicast or broadcast frame in OLT and ONU for WDM-PON, WDM-PON system, and OLT for WDM-PONHAN KYEONG-EUN·Filed 2009·Granted May 7, 2013·1 cites·11 claims
- 2949US10805224B2Parallel scheduling method and parallel scheduling apparatusELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2018·Granted Oct 13, 2020·0 cites·18 claims
- 3048US7917040B2Method and apparatus for controlling wavelength tuning of optical source for optical communicationELECT & TELECOMM RESEARCH INST·Filed 2007·Granted Mar 29, 2011·0 cites·14 claims
- 3148US6862303B2Multiwavelength locking method and apparatus using acousto-optic tunable filterELECT & TELECOMM RESEARCH INST·Filed 2002·Granted Mar 1, 2005·2 cites·14 claims
- 3246US2007110443A1Acousto-optic filter and optical CDMA system using the sameKOREA ELECTRONICS TELECOMM·Filed 2006·Application pending·0 cites
- 3346US2010150576A1Optical transmitting apparatus for return-to-zero differential phase-shift-keying (rz-dpsk) or return-to-zero differential quadrature phase shift keying (rz-dqpsk)CHUNG HWAN-SEOK·Filed 2009·Application pending·0 cites
- 3445US7486890B2Optical transmission apparatus and methodKOREA ELECTRONICS TELECOMM·Filed 2005·Granted Feb 3, 2009·0 cites·15 claims
- 3545US2009060499A1Apparatus and method for monitoring quality of optical signalELECT & TELECOMM RESEARCH INST·Filed 2008·Application pending·0 cites
- 3644US2022288076A1Pharmaceutical composition for improving or treating post-surgical hypoparathyroidism and treatment method using the sameUNIV DONGGUK IND ACAD COOP·Filed 2020·Application pending·0 cites
- 3743US2009080892A1Network apparatus and method for guaranteeing role of optical supervisory channelELECT & TELECOMM RESEARCH INST·Filed 2008·Application pending·0 cites
- 3843US2010142971A1Apparatus for synchronizing digital signals of coherent optical receiverCHANG SUN-HYOK·Filed 2009·Application pending·0 cites
- 3943US2010142964A1Optical transmission apparatus with stable optical signal outputCHANG SUN-HYOK·Filed 2009·Application pending·0 cites
- 4043US2014199075A1Apparatus and method for controlling multicarrier light source generatorKOREA ELECTRONICS TELECOMM·Filed 2014·Application pending·0 cites
- 4143US2014301736A1Directly modulated multi-level optical signal generator and method thereofKOREA ELECTRONICS TELECOMM·Filed 2014·Application pending·0 cites
- 4242US8565620B2Apparatus for receiving optical signal and method of controlling phase offset for differential quadrature phase shift keyingCHUNG HWAN-SEOK·Filed 2010·Granted Oct 22, 2013·0 cites·16 claims
- 4341US2007058241A1Optical amplification apparatus having function of flattening channel output spectrumKOREA ELECTRONICS TELECOMM·Filed 2006·Application pending·0 cites
- 4440US2015060869A1Supporting substrate for manufacturing flexible informaiton display device using temporary bonding/debonding layer, manufacturing method thereof, and flexible information display deviceRO JAE-SANG·Filed 2014·Application pending·0 cites
- 4540US2007134003A1Optical transceiver caseLEE JYUNG C·Filed 2006·Application pending·0 cites
- 4640US2006098983A1Optical add/drop multiplexerHAN JIN S·Filed 2005·Application pending·0 cites
- 4740US2011026123A1Wavelength-division apparatus and wavelength combining apparatusKOREA ELECTRONICS TELECOMM·Filed 2010·Application pending·0 cites
- 4840US2015060870A1Supporting substrate for manufacturing flexible information display device, manufacturing method thereof, and flexible information display deviceRO JAE-SANG·Filed 2014·Application pending·0 cites
- 4939US2007133991A1Encoder/decoder for OCDMA and method thereofKOREA ELECTRONICS TELECOMM·Filed 2006·Application pending·0 cites
- 5039US2002067526A1Bi-directional optical add/drop multiplexerFiled 2001·Application pending·0 cites
Showing the top 50 of 64 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →