Assignee
HOLTEK MICROELECTRONICS INC
TW·48 granted patents·995 citations·filing 1993–1998
Top patents by PatentIndex Score
48 records- 0191US5684733AFixed resistance high density parallel ROM deviceHOLTEK MICROELECTRONICS INC·Filed 1996·Granted Nov 4, 1997·212 cites·9 claims
- 0290US5892394AIntelligent bias voltage generating circuitHOLTEK MICROELECTRONICS INC·Filed 1996·Granted Apr 6, 1999·72 cites·7 claims
- 0384US5877074AMethod for improving the electrical property of gate in polycide structureHOLTEK MICROELECTRONICS INC·Filed 1997·Granted Mar 2, 1999·61 cites·7 claims
- 0481US5777919ASelect gate enhanced high density read-only-memory deviceHOLTEK MICROELECTRONICS INC·Filed 1996·Granted Jul 7, 1998·66 cites·5 claims
- 0576US5748948AReset signal generatorHOLTEK MICROELECTRONICS INC·Filed 1995·Granted May 5, 1998·89 cites·23 claims
- 0675US5777571ARemote control device for voice recognition and user identification restrictionsHOLTEK MICROELECTRONICS INC·Filed 1996·Granted Jul 7, 1998·126 cites·8 claims
- 0773USD368282SElectronic game housingHOLTEK MICROELECTRONICS INC·Filed 1995·Granted Mar 26, 1996·28 cites·1 claims
- 0867US5966601AMethod of making non-volatile semiconductor memory arraysHOLTEK MICROELECTRONICS INC·Filed 1997·Granted Oct 12, 1999·29 cites·7 claims
- 0962USD357507SElectronic game housingHOLTEK MICROELECTRONICS INC·Filed 1993·Granted Apr 18, 1995·11 cites·1 claims
- 1060US5837404AFabrication of zero layer maskHOLTEK MICROELECTRONICS INC·Filed 1997·Granted Nov 17, 1998·19 cites·4 claims
- 1154US5895480AMethod of and means for accessing an address by respectively substracting base addresses of memory integrated circuits from an access addressHOLTEK MICROELECTRONICS INC·Filed 1995·Granted Apr 20, 1999·20 cites·16 claims
- 1254US5847587AMeans for instantaneously detecting abnormal voltage in a micro controllerHOLTEK MICROELECTRONICS INC·Filed 1997·Granted Dec 8, 1998·19 cites·6 claims
- 1347US6004851AMethod for manufacturing MOS device with adjustable source/drain extensionsHOLTEK MICROELECTRONICS INC·Filed 1998·Granted Dec 21, 1999·15 cites·19 claims
- 1447US5668544ACompound type of keyboard detectorHOLTEK MICROELECTRONICS INC·Filed 1996·Granted Sep 16, 1997·15 cites·1 claims
- 1544US5737257AMethod and apparatus for compression of integer multiplication tableHOLTEK MICROELECTRONICS INC·Filed 1995·Granted Apr 7, 1998·18 cites·17 claims
- 1641US5878096ADigital filter having phase-adjustment abilityHOLTEK MICROELECTRONICS INC·Filed 1997·Granted Mar 2, 1999·23 cites·3 claims
- 1741US5714954AWaveform-generating apparatusHOLTEK MICROELECTRONICS INC·Filed 1995·Granted Feb 3, 1998·19 cites·10 claims
- 1841US5694351AMethod and apparatus for generating degree of membership in fuzzy inferenceHOLTEK MICROELECTRONICS INC·Filed 1996·Granted Dec 2, 1997·10 cites·16 claims
- 1941US5688710AMethod of fabricating a twin - well CMOS deviceHOLTEK MICROELECTRONICS INC·Filed 1996·Granted Nov 18, 1997·9 cites·9 claims
- 2038US5715187AMethod and apparatus for integer multiplicationHOLTEK MICROELECTRONICS INC·Filed 1996·Granted Feb 3, 1998·11 cites·14 claims
- 2137US5786717ASystem reset device having level controller for opportunely setting system reset statusHOLTEK MICROELECTRONICS INC·Filed 1997·Granted Jul 28, 1998·5 cites·10 claims
- 2235US5757688AMethod and apparatus for high speed divisionHOLTEK MICROELECTRONICS INC·Filed 1995·Granted May 26, 1998·8 cites·12 claims
- 2335US5652773ADigital phase-locked loop for data separationHOLTEK MICROELECTRONICS INC·Filed 1996·Granted Jul 29, 1997·15 cites·5 claims
- 2434US5888904AMethod for manufacturing polysilicon with relatively small line widthHOLTEK MICROELECTRONICS INC·Filed 1997·Granted Mar 30, 1999·4 cites·14 claims
- 2534US5814552AHigh step process for manufacturing alignment marks for twin-well integrated circuit devicesHOLTEK MICROELECTRONICS INC·Filed 1996·Granted Sep 29, 1998·4 cites·8 claims
- 2634US5767594AComputer keyboard power saving methodHOLTEK MICROELECTRONICS INC·Filed 1995·Granted Jun 16, 1998·9 cites·2 claims
- 2733US5847665AMethod and device of encoding-decoding for actuating systemHOLTEK MICROELECTRONICS INC·Filed 1996·Granted Dec 8, 1998·5 cites·31 claims
- 2833US5748708AVoice-generating telephone set without external power supplyHOLTEK MICROELECTRONICS INC·Filed 1995·Granted May 5, 1998·3 cites·1 claims
- 2932US5805693AMonitor-controlling deviceHOLTEK MICROELECTRONICS INC·Filed 1996·Granted Sep 8, 1998·6 cites·20 claims
- 3031US5770952ATimer that provides both surveying and counting functionsHOLTEK MICROELECTRONICS INC·Filed 1995·Granted Jun 23, 1998·2 cites·8 claims
- 3130US5781475ASimplified page mode programming circuit for EEPROM requiring only one high voltage line for selecting bit linesHOLTEK MICROELECTRONICS INC·Filed 1997·Granted Jul 14, 1998·4 cites·2 claims
- 3230US5754806AMemory table look-up device and methodHOLTEK MICROELECTRONICS INC·Filed 1995·Granted May 19, 1998·4 cites·26 claims
- 3330US5745541AData shift control circuitHOLTEK MICROELECTRONICS INC·Filed 1997·Granted Apr 28, 1998·2 cites·8 claims
- 3430US5745065ALevel-shift type digital to analog converterHOLTEK MICROELECTRONICS INC·Filed 1997·Granted Apr 28, 1998·3 cites·10 claims
- 3530US5654712AEncoding control deviceHOLTEK MICROELECTRONICS INC·Filed 1995·Granted Aug 5, 1997·5 cites·8 claims
- 3629US5883530AMethods and devices for generating cycled waveforms of nonsingle periodHOLTEK MICROELECTRONICS INC·Filed 1997·Granted Mar 16, 1999·2 cites·29 claims
- 3729US5859905ACycle-modulating type of dual-tone multifrequency generatorHOLTEK MICROELECTRONICS INC·Filed 1996·Granted Jan 12, 1999·4 cites·6 claims
- 3829US5818789ADevice and method for memory accessHOLTEK MICROELECTRONICS INC·Filed 1995·Granted Oct 6, 1998·6 cites·2 claims
- 3927US5889853AAdjustable-period dual-tone multifrequency generatorHOLTEK MICROELECTRONICS INC·Filed 1996·Granted Mar 30, 1999·1 cites·10 claims
- 4027US5835581AMulti-function telephone dialer displayHOLTEK MICROELECTRONICS INC·Filed 1996·Granted Nov 10, 1998·3 cites·12 claims
- 4126US5784326AVoltage raising deviceHOLTEK MICROELECTRONICS INC·Filed 1997·Granted Jul 21, 1998·2 cites·33 claims
- 4226US5541371APalpably controllable digital plateHOLTEK MICROELECTRONICS INC·Filed 1993·Granted Jul 30, 1996·8 cites·27 claims
- 4325US5776816ANitride double etching for twin well alignHOLTEK MICROELECTRONICS INC·Filed 1996·Granted Jul 7, 1998·4 cites·9 claims
- 4424US5823871AInterface control device for use with TV game equipmentHOLTEK MICROELECTRONICS INC·Filed 1995·Granted Oct 20, 1998·3 cites·1 claims
- 4524US5741730AFlexible IC layout methodHOLTEK MICROELECTRONICS INC·Filed 1995·Granted Apr 21, 1998·2 cites·6 claims
- 4624US5424740ADigital-to-analog converter with a Johnson code generatorHOLTEK MICROELECTRONICS INC·Filed 1993·Granted Jun 13, 1995·3 cites·12 claims
- 4719US5864502ASensing circuit for EEPROMHOLTEK MICROELECTRONICS INC·Filed 1997·Granted Jan 26, 1999·4 cites·4 claims
- 4813US5396259AErasable and programmable seven segment display driverHOLTEK MICROELECTRONICS INC·Filed 1994·Granted Mar 7, 1995·2 cites·4 claims
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