LexDanaLexDanabeta
Inventor

Tom W. Kwan

Inventor
Cupertino, CA, US

Overview

61→
Patents
1995–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 61 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H03Hprimary
H03HImpedance networks, e.g. resonant circuits16%
H03FAmplifiers12%
H03GControl of amplification11%
H10DInorganic electric semiconductor devices8%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h108%
H03MCoding7%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses6%
H01FMagnets4%
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner4%
H03DDemodulation or transference of modulation from one carrier to another4%
PatentTitleYear
10,691,255Frequency selective charge amplifier to attenuate common mode interferers20209,577,662'Method and apparatus for excess loop delay compensation in continuous-time sigma-delta analog-to-digital converters'20179,007,246'Gate leakage compensation in a current mirror'20158,982,093'Capacitive touch sensing system with interference rejection'20158,841,963'Gigabit ethernet transceiver with analog front end'20148,754,746'Hand-held gaming device that identifies user based upon input from touch sensitive panel'20148,614,621'Remote control for multimedia system having touch sensitive panel for user ID'20138,570,707'Scalable integrated circuit high density capacitors'20138,441,381'Gate leakage compensation in a current mirror'20138,208,462'Line driver for an adaptive hybrid circuit'20128,045,066'Fully integrated tuner architecture'20118,026,769'Frequency-locked clock generator'20118,018,361'Area-efficient analog-to-digital converter'20118,000,083'Scalable integrated circuit high density capacitors'20117,995,679'Method and system for charge sensing with variable gain, offset compensation, and demodulation'20117,978,456'Scalable integrated circuit high density capacitors'20117,852,058'Power supply regulator with digital control'20107,821,581'Fully integrated tuner architecture'20107,710,300'Segmented data shuffler apparatus for a digital to analog converter (DAC)'20107,671,681'Gigabit ethernet transceiver with analog front end'20107,656,643'Scalable integrated circuit high density capacitors'20107,649,345'Power supply regulator with digital control'20107,646,253'Frequency-locked clock generator'20107,598,808'Gigabit ethernet transceiver with analog front end'20097,573,839'Line driver for an adaptive hybrid circuit'20097,482,964'Switching between lower and higher power modes in an ADC for lower/higher precision operations'20097,477,047'Register with default control and built-in level shifter'20097,477,100'Method and system for single ended to differential ended demodulation'20097,453,943'Hybrid circuit for broadband modems'20087,423,699'Fully integrated tuner architecture'20087,348,838'Method and system for DC offset cancellation from a modulated signal'20087,336,131'Gigabit ethernet transceiver with analog front end'20087,305,045'Low voltage swing pad driver and receiver'20077,259,956'Scalable integrated circuit high density capacitors'20077,253,763'Switching between lower and higher power modes in an ADC for lower/higher precision operations'20077,148,750'Gigabit ethernet transceiver with analog front end'20067,116,259'Switching between lower and higher power modes in an ADC for lower/higher precision operations'20067,092,043'Fully integrated tuner architecture'20067,053,715'Gigabit Ethernet transceiver with analog front end'20067,038,545'Gigabit ethernet transceiver with analog front end'20067,038,533'Gigabit ethernet transceiver with analog front end'20067,019,598'Integrated VCO having an improved tuning range over process and temperature variations'20066,937,177'Shuffler apparatus and related dynamic element matching technique for linearization of unit-element digital-to-analog converters'20056,930,545'Switched-capacitor, common-mode feedback circuit for a differential amplifier without tail current'20056,828,860'Gigabit ethernet transceiver with analog front end'20046,803,829'Integrated VCO having an improved tuning range over process and temperature variations'20046,801,577'Low voltage swing pad driver and receiver'20046,798,283'Gigabit ethernet transceiver with analog front end'20046,781,451'Switched-capacitor, common-mode feedback circuit for a differential amplifier without tail current'20046,762,702'Shuffler apparatus and related dynamic element matching technique for linearization of unit-element digital-to-analog converters'20046,577,184'Switched-capacitor, common-mode feedback circuit for a differential amplifier without tail current'20036,472,940'Gigabit ethernet transceiver with analog front end'20026,426,680'System and method for narrow band PLL tuning'20026,141,671'Asynchronous digital sample rate converter'20005,786,778'Variable sample-rate DAC/ADC/converter system'19985,732,002'Multi-rate IIR decimation and interpolation filters'19985,666,299'Asynchronous digital sample rate converter'19975,495,200'Double sampled biquad switched capacitor filter'19965,475,628'Asynchronous digital sample rate converter'19955,471,411'Interpolation filter with reduced set of filter coefficients'19955,404,142'Data-directed scrambler for multi-bit noise shaping D/A converters'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2000Patents assigned to ANALOG DEVICES INC (8)· patent assignee history
1995–2000Based in Santa Clara, CA, US· patent location history
1996Based in Reading, MA, US· patent location history
1998–2011Based in Milpitas, CA, US· patent location history
2002–2017Patents assigned to BROADCOM CORP (52)· patent assignee history
2002–2020Based in Cupertino, CA, US· patent location history
2012–2014Patents assigned to RANGANATHAN SUMANT (3)· patent assignee history
2013–2015Patents assigned to KWAN TOM W (6)· patent assignee history
2013–2014Patents assigned to FU QIANG (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BROADCOM CORP522002–2017
ANALOG DEVICES INC81995–2000
KWAN TOM Wself62013–2015
RANGANATHAN SUMANT32012–2014
FU QIANG22013–2014
Locations
LocationPatentsSpan
Cupertino, California, US492002–2020
Milpitas, California, US61998–2011
Santa Clara, California, US51995–2000
Reading, Massachusetts, US11996