ICU RESEARCH AND INDUSTRIAL COOPERATION GROUP

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04B TRANSMISSION 9201
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 5280
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 4443
 
  
 
H03F AMPLIFIERS 479
 
  
 
H04J MULTIPLEX COMMUNICATION 3122
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 2203
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 2196
 
  
 
H03B GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS 261
 
  
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 2109
 
  
 
H04K SECRET COMMUNICATION; JAMMING OF COMMUNICATION256

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9002209 Forward discrete/inverse-discrete Fourier transform device and method for optical OFDM communication and transmitting and receiving apparatus comprising the deviceMar 06, 12Apr 07, 15[H04L, H04B, H04J]
8775620 Multimedia middleware apparatus using metadata, method for controlling multimedia middleware, and storage medium thereofOct 12, 06Jul 08, 14[G06F]
8706731 System and method for providing healthcare program service based on vital signals and condition informationSep 10, 08Apr 22, 14[G06F]
8696566 Method for analyzing stress based on multi-measured bio-signalsSep 11, 08Apr 15, 14[G06F, A61B]
8692852 Intelligent display method for multimedia mobile terminalAug 03, 07Apr 08, 14[G06T, G09G]
8565512 Method, medium, and system generating depth map of video imageMay 29, 08Oct 22, 13[G06K]
8509434 Method and apparatus for protecting scalable video coding contentsJun 20, 08Aug 13, 13[H04N]
8443252 Method and system of relaying dataFeb 21, 07May 14, 13[H03M]
8374624 Location measurement method based on predictive filterMar 04, 09Feb 12, 13[H04W]
8345806 Apparatus and method for detecting signal based on QR-decomposition in multiple input multiple output wireless communication systemMay 28, 08Jan 01, 13[H04B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8111990 Apparatus for transferring optical data in optical switching system using time synchronizationExpiredFeb 08, 07Feb 07, 12[H04J]
2010/0153,719 Lightweight Authentication Method and System for Low-Cost Devices Without Pseudorandom Number GeneratorAbandonedDec 17, 08Jun 17, 10[H04L]
2010/0153,731 Lightweight Authentication Method, System, and Key Exchange Protocol For Low-Cost Electronic DevicesAbandonedDec 17, 08Jun 17, 10[G06N, H04L]
7603039 Bidirectional optical signal transmitting and receiving system with a single main amplifierExpiredFeb 09, 05Oct 13, 09[H04B]
2009/0214,158 Optical Printed Circuit Board and An Optical Module Connected to the Optical Printed Circuit BoardAbandonedDec 30, 08Aug 27, 09[B23P, G02B]
2009/0216,922 USB Driver Apparatus, USB External Apparatus, USB System Having the Same and USB Connect Apparatus Using Light GuideAbandonedDec 26, 08Aug 27, 09[G06F]
2009/0072,905 VARIABLE GAIN AMPLIFIER HAVING WIDE GAIN VARIATION AND WIDE BANDWIDTHAbandonedSep 15, 08Mar 19, 09[H03F]
2009/0051,442 TRANSIMPEDANCE AMPLIFIER CIRCUIT FOR OPTICAL RECEIVER IN OPTICAL COMMUNICATION SYSTEMAbandonedAug 19, 08Feb 26, 09[H03F]
2008/0317,030 Method of creating address forwarding table in ethernet ring networkAbandonedJan 22, 08Dec 25, 08[H04L]
2008/0209,231 Contents Encryption Method, System and Method for Providing Contents Through Network Using the Encryption MethodAbandonedOct 12, 05Aug 28, 08[H04L, G06F]
7412173 Apparatus for generating optical carrier suppressed return-to-zeroExpiredMar 18, 04Aug 12, 08[H04B]
2008/0144,680 Single Mode Light Source Device Having External CavityAbandonedMay 23, 05Jun 19, 08[H04B]
7389098 Heterodyne receiver for low noise and image frequency repressionExpiredSep 23, 04Jun 17, 08[H04B]
7369781 Burst mode optical receiver considering characteristic of extinction ratio of received optical signalExpiredNov 10, 03May 06, 08[H04B]
7280755 Highly utilizable protection mechanism for WDM mesh networkExpiredSep 26, 03Oct 09, 07[G02F]
7199675 Source-injection parallel coupled LC-quadrature voltage controlled oscillatorExpiredAug 11, 04Apr 03, 07[H03B]
7190898 Dynamic wavelength management method in OBS networksExpiredJan 07, 03Mar 13, 07[H04J]
7170456 Dielectric chip antenna structureExpiredAug 02, 05Jan 30, 07[H01Q]
7148701 Apparatus for measuring electrical impedanceExpiredJul 07, 04Dec 12, 06[G01R]
7145409 Low power quadrature voltage controlled oscillator using back gateExpiredAug 25, 04Dec 05, 06[H03H]

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