Inventor
Rajagopalan Rangarajan
Inventor
San Diego, CA, US
Overview
Patents· 25 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission23%
H04LTransmission of digital information, e.g. telegraphic communication16%
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner14%
H03FAmplifiers7%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses7%
H03HImpedance networks, e.g. resonant circuits5%
H03KPulse technique5%
H04WWireless communication networks5%
H03JTuning resonant circuits4%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h104%
PatentTitleYear
10,848,100System and method for reducing current noise in a VCO and buffer202010,664,001RF square-law circuit202010,439,593Multi-band filter architectures201910,439,858Multiplex modules for carrier aggregation receivers201910,250,314Multi-way diversity receiver with multiple synthesizers in a carrier aggregation transceiver201910,153,934Reconfigurable wideband current-mode filters20189,774,485'Multiplex modules for carrier aggregation receivers'20179,712,226'Multi-way diversity receiver with multiple synthesizers in a carrier aggregation transceiver'20179,681,447'Dynamic local oscillator (LO) scheme and switchable receive (RX) chain for carrier aggregation'20179,615,369'Avoiding spurious responses with reconfigurable LO dividers'20179,529,380'Local oscillator signal generation circuit with harmonic current rejection'20169,525,503'Reconfigurable multi-mode transceiver'20169,473,336'Radio frequency (RF) front end having multiple low noise amplifier modules'20169,379,749'VCO-coupling mitigation in a multiple-carrier, carrier aggregation receiver'20169,184,707'Amplifier with switchable common gate gain buffer'20158,810,322'Apparatus and method for frequency generation'20148,749,316'Programmable varactor and methods of operation thereof'20148,629,700'Capacitive multiplication in a phase locked loop'20148,415,991'RF buffer circuit with dynamic biasing'20138,242,854'Enhancing device reliability for voltage controlled oscillator (VCO) buffers under high voltage swing conditions'20128,212,619'Split-biased current scalable buffer'20128,058,934'Apparatus and method for frequency generation'20118,044,739'Capacitor switching circuit'20118,018,293'Configurable wide tuning range oscillator core'20117,675,370'Dynamic calibration techniques for digitally controlled oscillator'2010Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2010–2020Patents assigned to QUALCOMM INC (25)· patent assignee history
2010–2020Based in San Diego, CA, US· patent location history
2011–2014Patents assigned to RANGARAJAN RAJAGOPALAN (7)· patent assignee history
2011–2014Patents assigned to MISHRA CHINMAYA (4)· patent assignee history
2011–2014Patents assigned to BHAGAT MAULIN (2)· patent assignee history
2011–2014Patents assigned to JIN ZHANG (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| QUALCOMM INC | 25 | 2010–2020 |
| RANGARAJAN RAJAGOPALANself | 7 | 2011–2014 |
| MISHRA CHINMAYA | 4 | 2011–2014 |
| BHAGAT MAULIN | 2 | 2011–2014 |
| JIN ZHANG | 2 | 2011–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Diego, California, US | 25 | 2010–2020 |