SANYO SEMOCONDUCTOR CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04J MULTIPLEX COMMUNICATION 3122
 
  
 
H01Q AERIALS 2108
 
  
 
H04K SECRET COMMUNICATION; JAMMING OF COMMUNICATION256
 
  
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 1132
 
  
 
H04B TRANSMISSION 1209
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 1284
 
  
 
H04M TELEPHONIC COMMUNICATION 1162
 
  
 
H04Q SELECTING 1109

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6879840 Method and apparatus for adaptive QoS-based joint rate and power control algorithm in multi-rate wireless systemsNov 30, 01Apr 12, 05[H04Q, H04B]
6633616 OFDM pilot tone tracking for wireless LANAug 21, 01Oct 14, 03[H04K, H04J]
6549561 OFDM pilot tone tracking for wireless LANAug 21, 01Apr 15, 03[H04L, H04J]
6549583 Optimum phase error metric for OFDM pilot tone tracking in wireless LANFeb 21, 01Apr 15, 03[H04K, H04J]
6456242 Conformal box antennaMar 05, 01Sep 24, 02[H01Q]
6456245 Card-based diversity antenna structure for wireless communicationsDec 13, 00Sep 24, 02[H01Q]
6443742 Printed circuit board-connecting connector with adjustable connectionsDec 22, 00Sep 03, 02[H01R]
6438367 Transmission security for wireless communicationsNov 09, 00Aug 20, 02[H04M]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2004/0166,823 Control interface scheme for wireless communication chipsetsAbandonedFeb 21, 03Aug 26, 04[H04B]
2004/0156,367 Hierarchically distributed scheduling apparatus and methodAbandonedFeb 11, 03Aug 12, 04[H04L]
2004/0158,644 Method and apparatus for distributed admission controlAbandonedFeb 11, 03Aug 12, 04[G06F]
2004/0037,366 Apparatus and method for multicarrier modulation and demodulationAbandonedAug 23, 02Feb 26, 04[H04L]
6650616 Transmission security for wireless communicationsExpiredJun 24, 02Nov 18, 03[H04M]
2003/0181,211 Method and apparatus for dynamic channel selection in wireless modemsAbandonedMar 19, 02Sep 25, 03[H04Q]
2003/0109,261 Method and apparatus for optimal rate (PHY mode) control in wireless modems with variable bit rate (VBR) capabilityAbandonedDec 11, 01Jun 12, 03[H04Q]
2003/0103,459 Method and implementation for a flow specific modified selective-repeat ARQ communication systemAbandonedNov 16, 01Jun 05, 03[G08C, G06F, G01R, H04J]
2003/0097,623 Method and apparatus for performance optimization and adaptive bit loading for wireless modems with convolutional coder, FEC, CRC and ARQAbandonedOct 24, 01May 22, 03[G06F, G11C]
2003/0002,471 Method for estimating carrier-to-noise-plus-interference ratio (CNIR) for OFDM waveforms and the use thereof for diversity antenna branch selectionAbandonedNov 26, 01Jan 02, 03[H04J]
2002/0164,968 Probing scheme for diversity antenna branch selectionAbandonedMar 06, 01Nov 07, 02[H04B]
2002/0160,737 Method and apparatus for diversity antenna branch selectionAbandonedMar 06, 01Oct 31, 02[H04B]

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