Inventor · disambiguated record
Karthik Subburaj
Also filed as: SUBBURAJ KARTHIK
78 granted patents·17 pending applications·316 citations·filing 2007–2025
99Inventor score
Top patents by PatentIndex Score
95 records- 0198US11366211B2Maximum measurable velocity in frequency modulated continuous wave (FMCW) radarTEXAS INSTRUMENTS INC·Filed 2020·Granted Jun 21, 2022·8 cites·16 claims
- 0298US10775489B2Maximum measurable velocity in frequency modulated continuous wave (FMCW) radarTEXAS INSTRUMENTS INC·Filed 2017·Granted Sep 15, 2020·28 cites·16 claims
- 0397US11378649B2Methods and apparatus for velocity detection in MIMO radar including velocity ambiguity resolutionTEXAS INSTRUMENTS INC·Filed 2020·Granted Jul 5, 2022·8 cites·13 claims
- 0496US10101438B2Noise mitigation in radar systemsTEXAS INSTRUMENTS INC·Filed 2015·Granted Oct 16, 2018·27 cites·21 claims
- 0596US10067221B2Interference detection in a frequency modulated continuous wave (FMCW) radar systemTEXAS INSTRUMENTS INC·Filed 2015·Granted Sep 4, 2018·31 cites·20 claims
- 0695US11579282B2Maximum measurable velocity in frequency modulated continuous wave (FMCW) radarTEXAS INSTRUMENTS INC·Filed 2022·Granted Feb 14, 2023·2 cites·20 claims
- 0795US10627483B2Methods and apparatus for velocity detection in MIMO radar including velocity ambiguity resolutionTEXAS INSTRUMENTS INC·Filed 2016·Granted Apr 21, 2020·21 cites·13 claims
- 0893US12265149B2System and method for the compression of echolocation dataTEXAS INSTRUMENTS INC·Filed 2021·Granted Apr 1, 2025·2 cites·21 claims
- 0993US11815621B2Digital compensation for mismatches in a radar systemTEXAS INSTRUMENTS INC·Filed 2021·Granted Nov 14, 2023·2 cites·20 claims
- 1092US10782389B2Linear, synthesized radar receiver array between and extending from ICSTEXAS INSTRUMENTS INC·Filed 2017·Granted Sep 22, 2020·12 cites·16 claims
- 1192US10094920B2Range resolution in FMCW radarsTEXAS INSTRUMENTS INC·Filed 2014·Granted Oct 9, 2018·19 cites·25 claims
- 1291US11988769B2Methods and apparatus for velocity detection in MIMO radar including velocity ambiguity resolutionTEXAS INSTRUMENTS INC·Filed 2022·Granted May 21, 2024·1 cites·20 claims
- 1391US10809353B2Noise mitigation in radar systemsTEXAS INSTRUMENTS INC·Filed 2018·Granted Oct 20, 2020·8 cites·19 claims
- 1490US11137476B2Interference detection in a frequency modulated continuous wave (FMCW) radar systemTEXAS INSTRUMENTS INC·Filed 2018·Granted Oct 5, 2021·6 cites·22 claims
- 1590US10816655B2In-phase (I) and quadrature (Q) imbalance estimation in a radar systemTEXAS INSTRUMENTS INC·Filed 2017·Granted Oct 27, 2020·8 cites·25 claims
- 1689US11789137B2FMCW chirp bandwidth controlTEXAS INSTRUMENTS INC·Filed 2020·Granted Oct 17, 2023·2 cites·23 claims
- 1789US11579284B2In phase (I) and quadrature (Q) imbalance estimation in a radar systemTEXAS INSTRUMENTS INC·Filed 2020·Granted Feb 14, 2023·2 cites·20 claims
- 1889US9733340B2Techniques for high arrival angle resolution using multiple nano-radarsTEXAS INSTRUMENTS INC·Filed 2014·Granted Aug 15, 2017·13 cites·20 claims
- 1988US11740345B2Dithering FMCW radar parameters to mitigate spurious signalsTEXAS INSTRUMENTS INC·Filed 2019·Granted Aug 29, 2023·9 cites·18 claims
- 2088US10659078B2Timing for IC chipTEXAS INSTRUMENTS INC·Filed 2018·Granted May 19, 2020·6 cites·21 claims
- 2187US12066566B2Interference detection in a frequency modulated continuous wave (FMCW) radar systemTEXAS INSTRUMENTS INC·Filed 2021·Granted Aug 20, 2024·1 cites·19 claims
- 2287US11782148B2Radar systemTEXAS INSTRUMENTS INC·Filed 2019·Granted Oct 10, 2023·6 cites·20 claims
- 2387US10768278B2Field monitoring of analog signals in a radar systemTEXAS INSTRUMENTS INC·Filed 2016·Granted Sep 8, 2020·5 cites·18 claims
- 2487US10234542B2Measurement of transceiver performance parameters in a radar systemTEXAS INSTRUMENTS INC·Filed 2015·Granted Mar 19, 2019·6 cites·1 claims
- 2586US11035928B2Loopback techniques for synchronization of oscillator signal in radarTEXAS INSTRUMENTS INC·Filed 2017·Granted Jun 15, 2021·5 cites·20 claims
- 2686US9880261B2Loopback techniques for synchronization of oscillator signal in radarTEXAS INSTRUMENTS INC·Filed 2014·Granted Jan 30, 2018·9 cites·26 claims
- 2785US10598767B2Measurement of transceiver performance parameters in a radar systemTEXAS INSTRUMENTS INC·Filed 2019·Granted Mar 24, 2020·4 cites·18 claims
- 2883US11747436B2Noise mitigation in radar systemsTEXAS INSTRUMENTS INC·Filed 2020·Granted Sep 5, 2023·1 cites·19 claims
- 2983US11054499B2Digital compensation for mismatches in a radar systemTEXAS INSTRUMENTS INC·Filed 2016·Granted Jul 6, 2021·4 cites·26 claims
- 3083US2025347795A1Non-uniform multi-dimensional data access for radar data processingTEXAS INSTRUMENTS INC·Filed 2025·Application pending·0 cites
- 3182US9696359B2Dynamic measurement of frequency synthesizer noise spurs or phase noiseTEXAS INSTRUMENTS INC·Filed 2014·Granted Jul 4, 2017·6 cites·22 claims
- 3282US2025123386A1On-field phase calibrationTEXAS INSTRUMENTS INC·Filed 2024·Application pending·0 cites
- 3381US11231484B2Measurement of transceiver performance parameters in a radar systemTEXAS INSTRUMENTS INC·Filed 2020·Granted Jan 25, 2022·1 cites·20 claims
- 3480US12455349B2Estimating and compensating for crystal oscillator differences in a multi-crystal-oscillator radarTEXAS INSTRUMENTS INC·Filed 2023·Granted Oct 28, 2025·0 cites·20 claims
- 3579US12235347B2On-field phase calibrationTEXAS INSTRUMENTS INC·Filed 2023·Granted Feb 25, 2025·0 cites·19 claims
- 3679US11162986B2Frequency synthesizer output cycle counter including ring encoderTEXAS INSTRUMENTS INC·Filed 2019·Granted Nov 2, 2021·1 cites·20 claims
- 3778US12436255B2Non-uniform multi-dimensional data access for radar data processingTEXAS INSTRUMENTS INC·Filed 2024·Granted Oct 7, 2025·0 cites·20 claims
- 3878USRE48613EDynamic measurement of frequency synthesizer noise spurs or phase noiseTEXAS INSTRUMENTS INC·Filed 2019·Granted Jun 29, 2021·2 cites·23 claims
- 3978US9829566B2Controlling radar transmission to enable interference mitigationTEXAS INSTRUMENTS INC·Filed 2014·Granted Nov 28, 2017·6 cites·15 claims
- 4077US2024183939A1Cfar os detection hardware with comparison circuitryTEXAS INSTRUMENTS INC·Filed 2024·Application pending·0 cites
- 4176US11796634B2Field monitoring of analog signals in a radar systemTEXAS INSTRUMENTS INC·Filed 2021·Granted Oct 24, 2023·0 cites·17 claims
- 4276US8446198B2Phase interpolator and a delay circuit for the phase interpolatorKAMATH ANANT SHANKAR·Filed 2010·Granted May 21, 2013·6 cites·2 claims
- 4376US2025199154A1System and method for the compression of echolocation dataTEXAS INSTRUMENTS INC·Filed 2025·Application pending·0 cites
- 4475US11486916B2Frequency synthesizer output cycle counter including ring encoderTEXAS INSTRUMENTS INC·Filed 2021·Granted Nov 1, 2022·0 cites·20 claims
- 4575US8299827B2High-speed frequency divider and a phase locked loop that uses the high-speed frequency dividerSUBBURAJ KARTHIK·Filed 2012·Granted Oct 30, 2012·6 cites·11 claims
- 4674US12078749B2Cascaded radar system calibration of baseband imbalancesTEXAS INSTRUMENTS INC·Filed 2023·Granted Sep 3, 2024·0 cites·9 claims
- 4774US11899129B2Methods and apparatus to test RADAR integrated circuitsTEXAS INSTRUMENTS INC·Filed 2022·Granted Feb 13, 2024·0 cites·20 claims
- 4874US10641866B2Failure detection in a radar systemTEXAS INSTRUMENTS INC·Filed 2016·Granted May 5, 2020·2 cites·39 claims
- 4974US8346188B2Nonlinearity calibration scheme for a frequency modulation transmitterTEXAS INSTRUMENTS INC·Filed 2009·Granted Jan 1, 2013·5 cites·8 claims
- 5074US8165260B2Loop bandwidth enhancement technique for a digital PLL and a HF divider that enables this techniqueNAGARAJ KRISHNASWAMY·Filed 2011·Granted Apr 24, 2012·3 cites·12 claims
Showing the top 50 of 95 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →