Inventor

Joon Ki Lee

Inventor

Daejeon, KR

Overview

33→

Patents

1992–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 33 as inventor

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

H04Bprimary

H04BTransmission25%

G02BOptical elements, systems or apparatus17%

H04JMultiplex communication12%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1011%

G06KGraphical data reading5%

H04LTransmission of digital information, e.g. telegraphic communication5%

H05KPrinted circuits5%

G11CStatic stores3%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light3%

H04QSelecting3%

PatentTitleYear

10,805,224Parallel scheduling method and parallel scheduling apparatus2020 10,523,333Optical signal transmission apparatus for generating multi-level optical signal and method performed by the same2019 10,516,487Optical transmitting module2019 10,511,400Optical multiplexer for multiplexing optical signals using optical waveguide block including laminated layers2019 10,447,405Optical receiver with optical demultiplexer2019 10,432,341Transmitter for transmitting optical signal in optical communication system and method of operating the same2019 10,425,183Optical transmission method and apparatus2019 10,359,572Device and method for detecting optical signal2019 10,110,338Apparatus and method for detecting optical signal2018 10,009,669Optical transmitter2018 9,804,346'Receptacle-collimator assembly and multi-wavelength optical receiver module'2017 9,755,751'Optical transceiver of flexible modulation format'2017 9,360,641'Multi-wavelength optical signal receiving apparatus and method'2016 9,287,986'Large capacity optical transceiver module'2016 9,110,260'Hybrid optical coupling module having an alignment mark formed on an optical transmission means and an array lens and manufacturing method thereof'2015 8,723,283'Optical module'2014 8,540,437'Multi-wavelength optical transmitting and receiving modules'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 7,869,478'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 7,313,333'Apparatus for controlling decision threshold voltage to optical receiver'2007 7,167,493'Method for automatically revising wavelength of electro-absorption modulator integrated laser diode'2007 6,617,700'Repairable multi-chip package and high-density memory card having the package'2003 6,617,673'Memory card'2003 6,483,038'Memory card'2002 6,323,064'Method for fabricating a memory card'2001 D0445797'Memory card'2001 5,468,991'Lead frame having dummy leads'1995 5,349,235'High density vertically mounted semiconductor package'1994 5,132,503'Apparatus for detecting the open or closed condition of a microwave oven door'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2003Patents assigned to SAMSUNG ELECTRONICS CO LTD (8)· patent assignee history

1992–2003Based in Seoul, KR· patent location history

2007–2016Patents assigned to KOREA ELECTRONICS TELECOMM (13)· patent assignee history

2007–2020Based in Daejeon, KR· patent location history

2007Based in Daejon, KR· patent location history

2013–2014Patents assigned to KANG SAE-KYOUNG (2)· patent assignee history

2013Patents assigned to LEE JOON KI (2)· patent assignee history

2017–2020Patents assigned to ELECTRONICS & TELECOMMUNICATIONS RES INST (12)· patent assignee history

2019Based in Sejong-si, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KOREA ELECTRONICS TELECOMM	13	2007–2016
ELECTRONICS & TELECOMMUNICATIONS RES INST	12	2017–2020
SAMSUNG ELECTRONICS CO LTD	8	1992–2003
KANG SAE-KYOUNG	2	2013–2014
LEE JOON KIself	2	2013

Locations

Location	Patents	Span
Daejeon, KR	22	2007–2020
Seoul, KR	8	1992–2003
Sejong-si, KR	2	2019
Daejon, KR	1	2007