Assignee
HOLTEK MICROELECTRONICS INC
TW48 patents
Top patents by PatentIndex Score
US5877074AMar 2, 1999
Method for improving the electrical property of gate in polycide structure
HOLTEK MICROELECTRONICS INC61 citations95
US5892394AApr 6, 1999
Intelligent bias voltage generating circuit
HOLTEK MICROELECTRONICS INC72 citations94
US5684733ANov 4, 1997
Fixed resistance high density parallel ROM device
HOLTEK MICROELECTRONICS INC212 citations94
US5748948AMay 5, 1998
Reset signal generator
HOLTEK MICROELECTRONICS INC89 citations93
US5966601AOct 12, 1999
Method of making non-volatile semiconductor memory arrays
HOLTEK MICROELECTRONICS INC29 citations92
US5777919AJul 7, 1998
Select gate enhanced high density read-only-memory device
HOLTEK MICROELECTRONICS INC66 citations91
US5777571AJul 7, 1998
Remote control device for voice recognition and user identification restrictions
HOLTEK MICROELECTRONICS INC126 citations88
US5878096AMar 2, 1999
Digital filter having phase-adjustment ability
HOLTEK MICROELECTRONICS INC23 citations86
US5847587ADec 8, 1998
Means for instantaneously detecting abnormal voltage in a micro controller
HOLTEK MICROELECTRONICS INC19 citations84
US5737257AApr 7, 1998
Method and apparatus for compression of integer multiplication table
HOLTEK MICROELECTRONICS INC18 citations84
USD368282SMar 26, 1996
Electronic game housing
HOLTEK MICROELECTRONICS INC28 citations81
US5895480AApr 20, 1999
Method of and means for accessing an address by respectively substracting base addresses of memory integrated circuits from an access address
HOLTEK MICROELECTRONICS INC20 citations79
US5714954AFeb 3, 1998
Waveform-generating apparatus
HOLTEK MICROELECTRONICS INC19 citations79
US5837404ANov 17, 1998
Fabrication of zero layer mask
HOLTEK MICROELECTRONICS INC19 citations78
US5767594AJun 16, 1998
Computer keyboard power saving method
HOLTEK MICROELECTRONICS INC9 citations74
US5757688AMay 26, 1998
Method and apparatus for high speed division
HOLTEK MICROELECTRONICS INC8 citations74
US5715187AFeb 3, 1998
Method and apparatus for integer multiplication
HOLTEK MICROELECTRONICS INC11 citations74
US5694351ADec 2, 1997
Method and apparatus for generating degree of membership in fuzzy inference
HOLTEK MICROELECTRONICS INC10 citations74
USD357507SApr 18, 1995
Electronic game housing
HOLTEK MICROELECTRONICS INC11 citations72
US6004851ADec 21, 1999
Method for manufacturing MOS device with adjustable source/drain extensions
HOLTEK MICROELECTRONICS INC15 citations71
US5668544ASep 16, 1997
Compound type of keyboard detector
HOLTEK MICROELECTRONICS INC15 citations71
US5688710ANov 18, 1997
Method of fabricating a twin - well CMOS device
HOLTEK MICROELECTRONICS INC9 citations68
US5652773AJul 29, 1997
Digital phase-locked loop for data separation
HOLTEK MICROELECTRONICS INC15 citations65
US5748708AMay 5, 1998
Voice-generating telephone set without external power supply
HOLTEK MICROELECTRONICS INC3 citations63
US5654712AAug 5, 1997
Encoding control device
HOLTEK MICROELECTRONICS INC5 citations63
US5888904AMar 30, 1999
Method for manufacturing polysilicon with relatively small line width
HOLTEK MICROELECTRONICS INC4 citations62
US5786717AJul 28, 1998
System reset device having level controller for opportunely setting system reset status
HOLTEK MICROELECTRONICS INC5 citations61
US5770952AJun 23, 1998
Timer that provides both surveying and counting functions
HOLTEK MICROELECTRONICS INC2 citations61
US5754806AMay 19, 1998
Memory table look-up device and method
HOLTEK MICROELECTRONICS INC4 citations61
US5745541AApr 28, 1998
Data shift control circuit
HOLTEK MICROELECTRONICS INC2 citations61
US5883530AMar 16, 1999
Methods and devices for generating cycled waveforms of nonsingle period
HOLTEK MICROELECTRONICS INC2 citations60
US5847665ADec 8, 1998
Method and device of encoding-decoding for actuating system
HOLTEK MICROELECTRONICS INC5 citations60
US5745065AApr 28, 1998
Level-shift type digital to analog converter
HOLTEK MICROELECTRONICS INC3 citations60
US5541371AJul 30, 1996
Palpably controllable digital plate
HOLTEK MICROELECTRONICS INC8 citations58
US5859905AJan 12, 1999
Cycle-modulating type of dual-tone multifrequency generator
HOLTEK MICROELECTRONICS INC4 citations57
US5835581ANov 10, 1998
Multi-function telephone dialer display
HOLTEK MICROELECTRONICS INC3 citations57
US5814552ASep 29, 1998
High step process for manufacturing alignment marks for twin-well integrated circuit devices
HOLTEK MICROELECTRONICS INC4 citations57
US5805693ASep 8, 1998
Monitor-controlling device
HOLTEK MICROELECTRONICS INC6 citations57
US5823871AOct 20, 1998
Interface control device for use with TV game equipment
HOLTEK MICROELECTRONICS INC3 citations56
US5784326AJul 21, 1998
Voltage raising device
HOLTEK MICROELECTRONICS INC2 citations55
US5781475AJul 14, 1998
Simplified page mode programming circuit for EEPROM requiring only one high voltage line for selecting bit lines
HOLTEK MICROELECTRONICS INC4 citations55
US5818789AOct 6, 1998
Device and method for memory access
HOLTEK MICROELECTRONICS INC6 citations54
US5776816AJul 7, 1998
Nitride double etching for twin well align
HOLTEK MICROELECTRONICS INC4 citations54
US5741730AApr 21, 1998
Flexible IC layout method
HOLTEK MICROELECTRONICS INC2 citations54
US5424740AJun 13, 1995
Digital-to-analog converter with a Johnson code generator
HOLTEK MICROELECTRONICS INC3 citations54
US5889853AMar 30, 1999
Adjustable-period dual-tone multifrequency generator
HOLTEK MICROELECTRONICS INC1 citations50
US5864502AJan 26, 1999
Sensing circuit for EEPROM
HOLTEK MICROELECTRONICS INC4 citations45
US5396259AMar 7, 1995
Erasable and programmable seven segment display driver
HOLTEK MICROELECTRONICS INC2 citations44