IPGOAL MICROELECTRONICS (SICHUAN) CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 6441
 
  
 
H03F AMPLIFIERS 677
 
  
 
H03K PULSE TECHNIQUE 5126
 
  
 
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 360
 
  
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 3108
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 3282
 
  
 
H03H IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS 269
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 199
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 1361
 
  
 
H03L AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES 179

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9397620 High-frequency bandwidth amplifying circuitOct 24, 13Jul 19, 16[H03F]
9329620 Circuit for generating peripheral clock for USB and method thereforNov 16, 13May 03, 16[G06F]
9214907 Power amplifying circuit and systemApr 05, 13Dec 15, 15[H03F]
9191242 Differential signal detecting deviceNov 03, 13Nov 17, 15[H04L]
9166749 Serial data transmission system and methodNov 13, 13Oct 20, 15[H04L, G06F]
9130510 High-frequency bandwidth amplifying circuitOct 24, 13Sep 08, 15[H03F]
9130516 POP noise suppression circuit and systemSep 21, 12Sep 08, 15[H03F, H03G]
9083357 Frequency locking systemOct 15, 14Jul 14, 15[H03L, H04L]
9007049 Current source circuit with temperature compensationApr 05, 13Apr 14, 15[G05F]
8952733 Frequency multiplier circuit and systemJul 25, 13Feb 10, 15[H03B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0117,590 Shift frequency demultiplierAbandonedDec 26, 13Apr 30, 15[H03K]
2015/0030,117 Shift frequency divider circuitAbandonedOct 15, 14Jan 29, 15[H03K]
2014/0176,204 Phase locked loop system and working method thereofAbandonedOct 24, 13Jun 26, 14[H03L]
2014/0125,447 Resistance calibrating circuitAbandonedOct 29, 13May 08, 14[H01C]
2014/0028,353 High speed signal detecting circuit and systemAbandonedJul 23, 13Jan 30, 14[H03K]
8625683 Serial data transmission system and methodExpiredMay 17, 12Jan 07, 14[H04L]
8525568 Clock generation circuitExpiredAug 22, 11Sep 03, 13[H03K, G06F]
8519762 Adjusting circuit of duty cycle and its methodExpiredApr 24, 12Aug 27, 13[H03K]
8493248 Transforming circuit and system between parallel data and serial dataExpiredApr 23, 12Jul 23, 13[H03M]
2013/0069,728 Automatic bias operational amplifying circuit and systemAbandonedMay 17, 12Mar 21, 13[H03F]
2012/0260,010 Storage control system and storage control methodAbandonedSep 30, 11Oct 11, 12[G06F]
2012/0002,488 Current detection methodAbandonedJun 30, 11Jan 05, 12[G11C]
2011/0279,106 Threshold voltage generating circuitAbandonedMay 11, 11Nov 17, 11[G05F]
2011/0261,915 System and method for self-correcting the multiphase clockAbandonedApr 20, 11Oct 27, 11[H04L]
7986185 Rail-to-rail Miller compensation method without feed forward pathExpiredJun 03, 10Jul 26, 11[H03F]
2010/0315,149 High-speed data compared latch with auto-adjustment of offsetAbandonedJun 10, 10Dec 16, 10[H03L]

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