LexDanaLexDanabeta
Inventor

Hyeong Ho Lee

Inventor
Daejeon, KR

Overview

64→
Patents
1992–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 64 as inventor

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

H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication33%
H04QSelecting14%
H04JMultiplex communication12%
H04BTransmission8%
H04WWireless communication networks8%
H03MCoding6%
G02BOptical elements, systems or apparatus4%
G06FElectric digital data processing3%
H04MTelephonic communication3%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use2%
PatentTitleYear
11,126,555Multi-line data prefetching using dynamic prefetch depth20219,526,107'Apparatus, system and method for controlling radio resources'20169,504,074'Method of providing proximity service communication between terminals supporting proximity service communications'20169,307,470'System and method for single radio handover'20168,730,908'Method of selecting target network for hand-over and method thereof'20148,089,931'Fast handover method using candidate CoAs'20127,844,011'Apparatus and method for improving symbol error rate performance of M-ary phase shift keying system having quadrature error'20107,817,568'Method for measuring characteristics of path between nodes by using active testing packets based on priority'20107,777,629'Apparatus and method for preventing loss of baggage using RFID'20107,756,001'Apparatus and method of deciding received symbol in M-PSK system'20107,704,682'Optical fiber having bragg grating and method of manufacturing the same'20107,633,866'Data transmission system and method in EPON, and recording medium storing program of the same'20097,630,340'Handover method'20097,613,187'Shared LAN emulation method and apparatus having VLAN recognition and LLID management functions on EPON'20097,610,608'Digital broadcast system in passive optical network'20097,599,353'Ethernet switch, and apparatus and method for expanding port'20097,600,171'Method of controlling FEC in EPON'20097,599,411'WDM-PON system with optical wavelength alignment function'20097,590,359'Optical communication node system, all-optical packet routing system, and all-optical packet routing method and all-optical packet routing network using the node and routing systems'20097,581,155'Apparatus for FEC supporting transmission of variable-length frames in TDMA system and method of using the same'20097,542,731'Radio frequency transceiver'20097,539,416'Optical network terminal and wavelength division multiplexing based optical network having the same'20097,539,424'Burst mode optical receiver for maintaining constant signal amplitude'20097,515,830'Optical communication apparatus by using subcarrier multiple access and method thereof'20097,515,606'UWB-based wireless bridge'20097,483,632'Apparatus and method for supporting quality of service in Ethernet passive optical network system'20097,480,295'Method for supporting multicast service in ethernet passive optical network system'20097,471,899'WDM-PON system based on wavelength-tunable external cavity laser light source'20087,443,861'Method of controlling upstream data transmission in ethernet PON and apparatus thereof'20087,437,073'System for providing dynamic service using optical sub-carrier multiplexing type multi-channel access and method of controlling the same'20087,436,852'Resource allocation method for providing load balancing and fairness for dual ring'20087,403,494'Method for generating nodes in multiway search tree and search method using the same'20087,394,825'10-gigabit Ethernet line interface apparatus and method of controlling the same'20087,391,767'Method for providing IP multicast service using virtual LAN'20087,382,726'Node system, dual ring communication system using node system, and communication method thereof'20087,379,676'Communication apparatus in Ethernet passive optical network'20087,372,854'Communication node system, control node system, and communication system using node systems in ethernet-passive optical network'20087,369,781'Burst mode optical receiver considering characteristic of extinction ratio of received optical signal'20087,362,975'Bandwidth allocation device and dynamic bandwidth allocation method based on class of service in Ethernet Passive Optical Network'20087,330,438'Apparatus for transceiving packets in WDM-PON'20087,327,771'WDM-PON system with optical wavelength alignment function'20087,327,681'Admission control method in internet differentiated service network'20087,313,751'Dual mode decoder'20077,308,199'Optical CDMA transmitting apparatus and method for transmitting bipolar data'20077,301,912'Method and apparatus for determining communication path over network by using spanning tree and circuit detection'20077,301,970'Apparatus for executing multi-point control protocol in Ethernet passive optical network'20077,290,202'MB810 encoder/decoder, dual mode encoder/decoder, and MB810 code generating method'20077,287,176'Apparatus, method and storage medium for carrying out deskew among multiple lanes for use in division transmission of large-capacity data'20077,274,700'Router providing differentiated quality of service (QoS) and fast internet protocol packet classifying method for the router'20077,274,695'Method and apparatus for processing ethernet data frame in media access control (MAC) sublayer of ethernet passive optical network (PON)'20077,260,120'Ethernet switching apparatus and method using frame multiplexing and demultiplexing'20077,230,957'Method and apparatus for multiplexing and demultiplexing variable-length packets'20077,205,911'Apparatus and method for 8B/10B code-group validity check'20077,194,672'CRC verification apparatus with constant delay and method thereof'20077,185,134'Apparatus for managing Ethernet physical layer registers using external bus interface and method thereof'20077,117,258'Method and apparatus for assigning IP address using agent in zero configuration network'20066,952,506'Device for adding and dropping optical signals'20056,931,507'Memory allocation method using multi-level partition'20056,922,143'Serial bus type configuration recognition and alarm apparatus'20056,901,508'Method for expanding address for Internet protocol version 4 in Internet edge router'20056,362,757'Method and apparatus for encoding MB810 line code with the characteristics of minimum bandwidth and DC-free'20025,448,617'Method of processing intelligent network service call with DTMF subscriber signalling in electronic switching system for toll/tandem'19955,271,003'Internal routing method for load balancing'19935,091,904'General signaling service unit of electronic switching system'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2016Patents assigned to KOREA ELECTRONICS TELECOMM (60)· patent assignee history
1992Based in Chungnam, KR· patent location history
1993–1995Patents assigned to KOREA TELECOMMUNICATION (2)· patent assignee history
1993–2016Based in Daejeon, KR· patent location history
2002–2008Based in Taejon, KR· patent location history
2005Patents assigned to ELECT & TELECOMM RESEARCH INST (1)· patent assignee history
2006–2010Based in Daejon, KR· patent location history
2016Patents assigned to ELECTRONICS & TELECOMMUNICATIONS RES INST (2)· patent assignee history
2016Patents assigned to FUTUREWEI TECHNOLOGIES INC (1)· patent assignee history
2021Based in San Jose, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOREA ELECTRONICS TELECOMM601992–2016
ELECTRONICS & TELECOMMUNICATIONS RES INST22016
KOREA TELECOMMUNICATION21993–1995
ELECT & TELECOMM RESEARCH INST12005
FUTUREWEI TECHNOLOGIES INC12016
Locations
LocationPatentsSpan
Daejeon, KR521993–2016
Daejon, KR72006–2010
Taejon, KR32002–2008
San Jose, California, US12021
Chungnam, KR11992