Inventor
Yusuf A. Haque
Inventor
San Jose, CA, US
Overview
Patents· 42 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Fprimary
H03FAmplifiers17%
H03MCoding17%
A61BDiagnosis6%
B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general6%
G01RMeasuring electric variables6%
G01SRadio direction-finding6%
H01LSemiconductor devices6%
H03KPulse technique6%
H03GControl of amplification4%
H03HImpedance networks, e.g. resonant circuits4%
PatentTitleYear
11,058,396Low voltage, low power MEMS transducer with direct interconnect capability202111,039,814Imaging devices having piezoelectric transducers202110,966,683Integrated ultrasonic transducers202110,835,209Configurable ultrasonic imager20209,071,270'Time-interleaved analog-to-digital converter bandwidth matching'20158,890,729'Randomized time-interleaved sample-and-hold system'20148,890,739'Time interleaving analog-to-digital converter'20148,542,143'Pipelined ADC stage filters'20138,525,556'Time-interleaved sample-and-hold'20138,525,596'Reference buffer amplifier'20138,497,790'Gain calibration'20138,466,818'Time-interleaved analog-to-digital converter bandwidth matching'20138,344,722'Electric current measurement'20138,344,922'Digital-to-analog converter with code independent output capacitance'20138,026,838'Current mode analog-to-digital converter'20117,068,788'Data encryption for suppression of data-related in-band harmonics in digital to analog converters'20066,407,770'Apparatus and method for detecting defects in a discrete picture element detector circuit'20026,356,225'Averaging cell mismatches in integrated circuits'20025,869,986'Power level sense circuit'19995,748,010'Logic signal level translation apparatus having very low dropout with respect to the powering rails'19984,801,888'Programmable, universal filter with self biasing'19894,596,954'Frequency doubler with fifty percent duty cycle output signal'19864,590,440'Phase locked loop with high and/or low frequency limit detectors for preventing false lock on harmonics'19864,580,065'Single-shot circuit having process independent duty cycle'19864,554,508'Carrier detection circuit'19854,540,949'Reference voltage circuit including a three-terminal operational amplifier with offset compensation'19854,533,876'Differential operational amplifier with common mode feedback'19854,475,170'Programmable transversal filter'19844,470,126'Programmable transversal filter'19844,460,874'Three-terminal operational amplifier/comparator with offset compensation'19844,441,082'Switched capacitor automatic gain control loop'19844,438,354'Monolithic programmable gain-integrator stage'19844,431,971'Dynamic operational amplifier'19844,431,986'Digital to analog and analog to digital converters with bipolar output signals'19844,404,525'Switched capacitor gain stage with offset and switch feedthrough cancellation scheme'19834,385,286'Use of single reference voltage for analog to digital or digital to analog conversion of bipolar signals'19834,365,204'Offset compensation for switched capacitor integrators'19824,350,975'Dual bandwidth autozero loop for a voice frequency CODEC'19824,335,355'CMOS Operational amplifier with reduced power dissipation'19824,320,347'Switched capacitor comparator'19824,315,223'CMOS Operational amplifier with improved frequency compensation'19824,284,957'CMOS Operational amplifier with reduced power dissipation'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1986Patents assigned to AMERICAN MICRO SYST (21)· patent assignee history
1981–1983Based in Santa Clara, CA, US· patent location history
1982–1999Based in San Jose, CA, US· patent location history
1989–2006Patents assigned to MAXIM INTEGRATED PRODUCTS (5)· patent assignee history
2002–2021Based in Woodside, CA, US· patent location history
2013–2015Patents assigned to CREST SEMICONDUCTORS INC (10)· patent assignee history
2013Patents assigned to HAQUE YUSUF (6)· patent assignee history
2013Patents assigned to KIER RYAN JAMES (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AMERICAN MICRO SYST | 21 | 1981–1986 |
| CREST SEMICONDUCTORS INC | 10 | 2013–2015 |
| HAQUE YUSUFself | 6 | 2013 |
| KIER RYAN JAMES | 5 | 2013 |
| MAXIM INTEGRATED PRODUCTS | 5 | 1989–2006 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Jose, California, US | 20 | 1982–1999 |
| Woodside, California, US | 18 | 2002–2021 |
| Santa Clara, California, US | 4 | 1981–1983 |