HOLTEK SEMICONDUCTOR INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H03L AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES 1268
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 10437
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 694
 
  
 
G11C STATIC STORES 5146
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 4147
 
  
 
H03F AMPLIFIERS 479
 
  
 
H03K PULSE TECHNIQUE 4127
 
  
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 3108
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 3108
 
  
 
H01H ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES 292

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8576258 Brightness compensation apparatus and application method thereofDec 16, 09Nov 05, 13[G09G]
8452935 Read-only memory device with securing function and accessing method thereofSep 01, 09May 28, 13[G06F]
8379041 Method for extending duration of a display apparatus having brightness compensation and apparatus realizing the sameDec 16, 09Feb 19, 13[G09G, G06F, G05D, G03F, G06K]
8314885 Image-clock adjusting circuit and methodApr 29, 08Nov 20, 12[H03L]
8222946 Capacitive touching apparatusAug 17, 10Jul 17, 12[G06F]
8174484 Signal processing circuit and methodSep 29, 08May 08, 12[G09G]
8169204 Active current limiting circuit and power regulator using the sameDec 05, 08May 01, 12[G05F]
8170822 Compensation method for touch sensor systemDec 31, 09May 01, 12[G06F]
8106606 Voltage multiple dimming control apparatusAug 13, 09Jan 31, 12[G09G, G05F]
8089743 Voltage regulator having active foldback current limiting circuitNov 24, 08Jan 03, 12[H02H]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2011/0036,827 APPARATUS FOR CONTROLLING AN ELECTRICAL COOKER AND RELATED METHOD THEREOFAbandonedAug 20, 10Feb 17, 11[H05B]
2010/0245,132 COMPENSATION METHOD FOR TOUCH SENSOR SYSTEMAbandonedApr 23, 09Sep 30, 10[H03K]
2010/0066,342 CONTROL CIRCUIT FOR SINGLE CHIP ICAbandonedNov 07, 08Mar 18, 10[B23K]
2010/0066,679 POWER SAVING APPARATUS AND METHOD FOR WIRELESS MOUSEAbandonedOct 14, 08Mar 18, 10[G06F]
2009/0129,598 Microprocessor locking circuit and locking method therefor with locking functionAbandonedFeb 26, 08May 21, 09[H04L]
2009/0091,307 POWER SUPPLY CIRCUIT AND METHOD FOR ADJUSTING OUTPUT VOLTAGE THEREINAbandonedJan 31, 08Apr 09, 09[G05F]
2009/0018,789 IMAGE AUTO-CALIBRATION METHOD AND SYSTEMAbandonedFeb 25, 08Jan 15, 09[G03B]
2008/0313,421 LOW POWER-CONSUMPTION DATA PROCESSORAbandonedMar 03, 08Dec 18, 08[G06F]
2008/0303,550 INTEGRATED CIRCUIT WITH PLURAL LEVEL SHIFTERSAbandonedMar 13, 08Dec 11, 08[H03K]
2008/0307,241 Microcontroller circuit and power saving method thereofAbandonedJun 08, 07Dec 11, 08[G06F]
2008/0298,535 Circuit structure for timer counter and electrical device using the sameAbandonedJan 25, 08Dec 04, 08[G01R]
2008/0301,421 Method of speeding up execution of repeatable commands and microcontroller able to speed up execution of repeatable commandsAbandonedMar 25, 08Dec 04, 08[G06F]
2008/0301,498 Control device and control methodAbandonedFeb 15, 08Dec 04, 08[G06F]
2008/0180,133 Expandable decoding circuit and decoding methodAbandonedJan 29, 07Jul 31, 08[H03K, G11C]
2008/0183,980 Method and system for locking data of program memory embedded in microcontrollerAbandonedJun 12, 07Jul 31, 08[G06F]
2008/0174,354 CLOCK GENERATING CIRCUIT AND METHOD THEREOFAbandonedJun 04, 07Jul 24, 08[G06F]
2008/0177,982 Memory And Accessing Method ThereofAbandonedJun 04, 07Jul 24, 08[G06F]
2008/0157,683 VACUUM FLUORESCENT DISPLAY AND FILAMENT DRIVING METHOD THEREOFAbandonedAug 21, 07Jul 03, 08[G09G]
2008/0162,978 POOL COUNTING CIRCUIT OF A MICROCONTROLLER AND THE POOL COUNTING METHOD THEREOFAbandonedAug 29, 07Jul 03, 08[G06F]
2008/0150,646 VARIABLE RC OSCILLATORAbandonedAug 24, 07Jun 26, 08[H03K]

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