Holtek Microelectronics Inc.
51Patents
0Active
51Granted
36Portfolio score
Filing activity: Jun 1, 1993 → Mar 13, 1998
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5684733A | Fixed resistance high density parallel ROM device | Physics | 202 | Expired |
| US5777571A | Remote control device for voice recognition and user identification restrictions | Physics | 87 | Expired |
| US5748948A | Reset signal generator | Physics | 84 | Expired |
| US5892394A | Intelligent bias voltage generating circuit | Physics | 70 | Expired |
| US5777919A | Select gate enhanced high density read-only-memory device | Physics | 56 | Expired |
| US5877074A | Method for improving the electrical property of gate in polycide structure | Electricity | 29 | Expired |
| USD368282S | Electronic game housing | General | 28 | Expired |
| US5966601A | Method of making non-volatile semiconductor memory arrays | Electricity | 16 | Expired |
| US5737257A | Method and apparatus for compression of integer multiplication table | Physics | 15 | Expired |
| US5837404A | Fabrication of zero layer mask | Physics | 14 | Expired |
| US5878096A | Digital filter having phase-adjustment ability | Electricity | 12 | Expired |
| USD357507S | Electronic game housing | General | 11 | Expired |
| US5847587A | Means for instantaneously detecting abnormal voltage in a micro controller | Physics | 10 | Expired |
| US5895480A | Method of and means for accessing an address by respectively substracting base addresses of memory integrated circuits from an access address | Physics | 9 | Expired |
| US5668544A | Compound type of keyboard detector | Electricity | 9 | Expired |
| US5866447A | Modified zero layer align method of twin well MOS fabrication | Electricity | 8 | Expired |
| US6004851A | Method for manufacturing MOS device with adjustable source/drain extensions | Electricity | 8 | Expired |
| US5714954A | Waveform-generating apparatus | Physics | 8 | Expired |
| US5652773A | Digital phase-locked loop for data separation | Electricity | 7 | Expired |
| US5847665A | Method and device of encoding-decoding for actuating system | Physics | 6 | Expired |
| US5688710A | Method of fabricating a twin - well CMOS device | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5715187A | Method and apparatus for integer multiplication | Physics | 6 | Expired |
| US5814552A | High step process for manufacturing alignment marks for twin-well integrated circuit devices | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5767594A | Computer keyboard power saving method | Electricity | 4 | Expired |
| US5805693A | Monitor-controlling device | Electricity | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.