KOREA TELECOMMUNICATION AUTHORITY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 32247
 
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 25414
 
 
 
H04J MULTIPLEX COMMUNICATION 14106
 
 
 
H04M TELEPHONIC COMMUNICATION 13155
 
 
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 12343
 
 
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 10236
 
 
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 7190
 
 
 
H04Q SELECTING 7101
 
 
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 6189
 
 
 
H01P WAVEGUIDES; RESONATORS, LINES OR OTHER DEVICES OF THE WAVEGUIDE TYPE 461

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7054317 Method for controlling transmission control protocol window size in asynchronous transfer mode networkNov 12, 99May 30, 06[H04L]
6947397 Method and apparatus for adaptive data transmission in communication systemDec 21, 00Sep 20, 05[H04Q]
6904018 Method for high speed rerouting in multi protocol label switching networkDec 13, 00Jun 07, 05[H04L]
6868416 Internet addressing architecture and hierarchical routing method thereofDec 04, 00Mar 15, 05[G06F]
6813272 QoS-based routing methodJun 16, 00Nov 02, 04[H04L]
6810250 Method of global roaming services using gateway location register in third generation mobile telecommunication networksDec 13, 00Oct 26, 04[H04Q]
6795443 Apparatus and method of providing internet protocol (IP) level connectivity between internet access terminals using service gatewayNov 05, 99Sep 21, 04[H04L]
6757737 Apparatus and method for providing measured rate system in IP networkDec 21, 00Jun 29, 04[G06F]
6738633 Method for providing number portability of mobile phoneDec 12, 00May 18, 04[H04M, H04Q]
6694368 Communication apparatus and method between distributed objectsFeb 04, 00Feb 17, 04[G06F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2004/0213,233 Method and apparatus for routing in asynchronous transfer mode communication networkABANDec 12, 00Oct 28, 04[H04L]
6580542 Automatic dispersion equalization apparatus in high-speed optical transmission systemExpiredDec 03, 99Jun 17, 03[H04B]
2002/0083,194 Routing method for traffic load distribution in packet-switched networkABANDec 15, 00Jun 27, 02[G06F]
2002/0069,283 Apparatus and method for providing communication service based on personal identifier in internet networkABANDec 21, 00Jun 06, 02[G06F]
2002/0065,670 System of providing agency service for customer management and method thereofABANDec 29, 00May 30, 02[G06F]
2002/0040,270 Method and apparatus for vehicle navigation service using DSRC systemABANDec 13, 00Apr 04, 02[G01C]
6366223 Methods for coding and decoding nibble inversion codes and block inversion codes and coding and decoding apparatus for the sameExpiredJul 09, 99Apr 02, 02[H03M]
2002/0034,938 Money service apparatus in IMT-2000 network and method of the sameABANDec 19, 00Mar 21, 02[H04M, H03C]
2001/0013,105 Method for routing test based on generation of random virtual networksABANJan 08, 01Aug 09, 01[G06F]
6190984 Method for fabricating of super self-aligned bipolar transistorExpiredJan 13, 99Feb 20, 01[H01L]
6130587 Microstripline/stripline isolator/circulator having a propeller resonatorExpiredAug 10, 98Oct 10, 00[H01P]
5995968 Method of creating meta data and processor load data in a mobile switching centerExpiredDec 02, 97Nov 30, 99[H04Q, G06F]
5982751 Rare probability connection call registration method using payload type indication field information for asynchronous transfer mode switching systemExpiredDec 10, 96Nov 09, 99[H04J]
5946296 Rare probability connection call registration method for asynchronous transfer mode switching systemExpiredDec 10, 96Aug 31, 99[H04J]
5940018 nB2P coding/decoding deviceExpiredSep 30, 97Aug 17, 99[H03M]
5905710 Method for controlling a re-emission interval in an asynchronous transfer mode interval controllerExpiredNov 20, 96May 18, 99[H04J]
5889998 Translation scheme from object oriented chill to chill for the visibility of the mereta modeExpiredMar 31, 97Mar 30, 99[G06F]
5887040 High speed digital data retiming apparatusExpiredNov 19, 96Mar 23, 99[H04L]
5872771 Adaptive connection admission control method using traffic measurement and estimationExpiredJan 04, 96Feb 16, 99[G01R, G08C, G06F]
5862204 Rare probability connection call registration method using incomplete call causation message for asynchronous transfer mode switching systemExpiredDec 10, 96Jan 19, 99[H04M]

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