Inventor
Randy Tsang
Inventor
Foster City, CA, US
Overview
Patents· 31 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Lprimary
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses28%
H04BTransmission26%
H04LTransmission of digital information, e.g. telegraphic communication13%
G05FSystems for regulating electric or magnetic variables6%
H03JTuning resonant circuits6%
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner4%
H03FAmplifiers4%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems2%
H03CModulation2%
H03HImpedance networks, e.g. resonant circuits2%
PatentTitleYear
11,128,375Dispersion compensation in mm-wave communication over plastic waveguide using composite right/left-handed metamaterial assembly202110,581,478Radio-frequency front end with power amplifier detuning to reduce output degradation20209,484,871'Complex bandpass filter having a transfer function with two poles'20169,042,466'Apparatus and method for adjusting bandwidth based on an operating environment'20158,981,855'Method and apparatus for drift compensation in PLL'20158,938,615'System and method for authenticating radio frequency identification (RFID) tags'20158,787,423'Agile frequency synthesizer scheme for fast-hopping, low phase noise applications'20148,634,483'Operating environment based wireless communication devices and methods'20148,598,948'Self biased low noise high PSRR constant gm for VCO'20138,503,503'Agile frequency synthesizer scheme for fast hopping, low phase noise applications'20138,442,451'Transmitter and receiver impedence control using shunt switches'20138,421,542'Method and apparatus for drift compensation in PLL'20138,319,547'Self biased low noise high PSRR constant GM for VCO'20128,238,453'Adaptive channel bandwidth selection for MIMO wireless systems'20128,149,065'Low KVCO phase-locked loop with large frequency drift handling capability'20127,940,129'Low KVCO phase-locked loop with large frequency drift handling capability'20117,852,168'Power-efficient biasing circuit'20107,756,486'Transmitter and receiver impedance control using shunt switches'20107,741,928'Frequency modulation using a digital frequency locked loop'20107,688,898'Adaptive channel bandwidth selection for MIMO wireless systems'20107,667,533'Self biased low noise high PSRR constant GM for VCO'20107,545,867'Adaptive channel bandwidth selection for MIMO wireless systems'20097,528,667'T-network capbank'20097,486,154'Flicker noise degeneration technique for VCO'20097,315,197'Limit swing charge pump and method thereof'20087,064,600'Limit swing charge pump and method thereof'20066,819,187'Limit swing charge pump and method thereof'20046,747,520'Limit swing charge pump and method thereof'20046,727,736'Voltage control oscillator noise reduction technique and method thereof'20045,900,623'Active pixel sensor using CMOS technology with reverse biased photodiodes'19994,941,256'Automatic visual measurement of surface mount device placement'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990Based in Kowloon, HK· patent location history
1999Based in San Francisco, CA, US· patent location history
2004–2020Patents assigned to MARVELL INT LTD (25)· patent assignee history
2004–2015Based in Foster City, CA, US· patent location history
2012–2015Patents assigned to TSANG RANDY (8)· patent assignee history
2012–2014Patents assigned to CHEONG KOK-WUI (2)· patent assignee history
2012–2014Patents assigned to LOU HUI-LING (2)· patent assignee history
2013–2021Patents assigned to MARVELL WORLD TRADE LTD (3)· patent assignee history
2015Based in Mississauga, CA· patent location history
2016–2021Based in San Carlos, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MARVELL INT LTD | 25 | 2004–2020 |
| TSANG RANDYself | 8 | 2012–2015 |
| MARVELL WORLD TRADE LTD | 3 | 2013–2021 |
| CHEONG KOK-WUI | 2 | 2012–2014 |
| LOU HUI-LING | 2 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Foster City, California, US | 25 | 2004–2015 |
| San Carlos, California, US | 3 | 2016–2021 |
| Mississauga, CA | 1 | 2015 |
| San Francisco, California, US | 1 | 1999 |
| Kowloon, HK | 1 | 1990 |