Inventor

Jyung Chan Lee

Inventor

Daejeon, KR

Overview

30→

Patents

2003–2017

Patent span

Electricity

Primary field (CPC H)

Patents· 30 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Bprimary

H04BTransmission40%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light19%

G02BOptical elements, systems or apparatus10%

H04JMultiplex communication10%

H04LTransmission of digital information, e.g. telegraphic communication6%

E04HBuildings or like structures for particular purposes2%

G01MTesting static or dynamic balance of machines or structures2%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein2%

H01PWaveguides2%

H03HImpedance networks, e.g. resonant circuits2%

PatentTitleYear

9,755,751'Optical transceiver of flexible modulation format'2017 9,720,192'Interface for transmitting high-speed signal and optical module including the same'2017 9,532,441'Board assembly for transmitting high-speed signal and method of manufacturing the same'2016 9,397,778'Tunable optical network unit for multi-wavelength passive optical network system and operating method thereof'2016 9,231,371'Wavelength-tunable optical transmission apparatus'2016 9,112,639'Apparatus for transmitting/receiving variable-wavelength optical signal'2015 9,093,811'Multi channel transmitter optical sub-assembly'2015 8,755,696'Method and apparatus for controlling an optical receiver having delay paths'2014 8,565,620'Apparatus for receiving optical signal and method of controlling phase offset for differential quadrature phase shift keying'2013 8,532,501'Apparatus for receiving optical signal and method of controlling phase offset for differential quadrature phase shift keying'2013 8,355,612'Active 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 multiplexer'2013 8,014,680'Optical transceiver and method of controlling optical output jitter using the same'2011 7,917,040'Method and apparatus for controlling wavelength tuning of optical source for optical communication'2011 7,869,478'Apparatus and method for maintaining constant extinction ratio of laser diode'2011 7,639,677'Optical transponder having switching function'2009 7,471,896'Optical transponder and method for detecting and treating errors in optical channel sublayer of the optical transponder'2008 7,440,700'Apparatus for testing performance of optical transceiver'2008 7,366,411'System and method for operating optical transponder'2008 7,313,333'Apparatus for controlling decision threshold voltage to optical receiver'2007 7,298,978'Method and apparatus for optimizing decision level of signal output from optical receiver'2007 7,212,741'Method of optimizing output signal of optical receiver using FEC and optical receiving system using the method'2007 7,167,493'Method for automatically revising wavelength of electro-absorption modulator integrated laser diode'2007 7,076,165'Optical transponder with add/drop operation function of optical channels'2006 7,075,694'Apparatus and method for automatically correcting bias voltage for carrier suppressed pulse generating modulator'2006 7,068,422'Optical fiber amplification method and apparatus for controlling gain'2006 7,049,902'Tunable high-order bessel low pass filter'2006 6,845,109'Method for correcting the shift of output wavelength of light source'2005 6,650,467'Erbium-doped optical fiber amplifier using input optical signal filtering'2003 6,606,190'Inhomogeneity tunable erbium-doped fiber amplifier with long wavelength gain band and method of blocking propagation of backward amplified spontaneous light emission in the same'2003 6,529,317'L-band erbium-doped fiber amplifier pumped by 1530 nm-band pump'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2016Patents assigned to KOREA ELECTRONICS TELECOMM (24)· patent assignee history

2003–2017Based in Daejeon, KR· patent location history

2003Based in Taejon, KR· patent location history

2005–2011Patents assigned to ELECT & TELECOMM RESEARCH INST (2)· patent assignee history

2006–2007Based in Daejon, KR· patent location history

2013–2014Patents assigned to LEE JYUNG-CHAN (2)· patent assignee history

2013Patents assigned to CHANG SUN-HYOK (1)· patent assignee history

2016–2017Patents assigned to ELECTRONICS & TELECOMMUNICATIONS RES INST (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KOREA ELECTRONICS TELECOMM	24	2003–2016
ELECTRONICS & TELECOMMUNICATIONS RES INST	3	2016–2017
ELECT & TELECOMM RESEARCH INST	2	2005–2011
LEE JYUNG-CHANself	2	2013–2014
CHANG SUN-HYOK	1	2013

Locations

Location	Patents	Span
Daejeon, KR	27	2003–2017
Daejon, KR	2	2006–2007
Taejon, KR	1	2003