Inventor · disambiguated record
Romesh Kumar Nandwana
Also filed as: NANDWANA ROMESH KUMAR
19 granted patents·3 pending applications·68 citations·filing 2016–2025
92Inventor score
Top patents by PatentIndex Score
22 records- 0196US11356107B1Frequency tracking loop using a scaled replica oscillator for injection locked oscillatorsCISCO TECH INC·Filed 2021·Granted Jun 7, 2022·13 cites·20 claims
- 0296US11063595B1Dynamic multiphase injection-locked phase rotator for electro-optical transceiverCISCO TECH INC·Filed 2020·Granted Jul 13, 2021·8 cites·20 claims
- 0396US9614537B1Digital fractional-N multiplying injection locked oscillatorXILINX INC·Filed 2016·Granted Apr 4, 2017·25 cites·20 claims
- 0495US11218113B1Dual-core dual-resonance compact inductor-capacitor voltage controlled oscillatorCISCO TECH INC·Filed 2020·Granted Jan 4, 2022·5 cites·15 claims
- 0591US12126363B2Error cancellation delta-sigma DAC with an inverting amplifier-based filterCISCO TECH INC·Filed 2022·Granted Oct 22, 2024·3 cites·20 claims
- 0691US11901906B1Hybrid fractional-N sampling phase locked loop (PLL) with accurate digital-to-time converter (DTC) calibrationCISCO TECH INC·Filed 2022·Granted Feb 13, 2024·2 cites·20 claims
- 0789US11533057B2Dynamic multiphase injection-locked phase rotator for electro-optical transceiverCISCO TECH INC·Filed 2021·Granted Dec 20, 2022·2 cites·20 claims
- 0889US11398827B1Phase-locked loop with phase noise cancellationCISCO TECH INC·Filed 2021·Granted Jul 26, 2022·3 cites·18 claims
- 0988US12191915B1Differential differencing transimpedance amplifier for coherent applicationsCISCO TECH INC·Filed 2022·Granted Jan 7, 2025·2 cites·20 claims
- 1082US10965377B1Thermal tuning and quadrature control using active extinction ratio trackingCISCO TECH INC·Filed 2020·Granted Mar 30, 2021·2 cites·18 claims
- 1181US12147201B2Segmented digital-to-time converterCISCO TECH INC·Filed 2022·Granted Nov 19, 2024·2 cites·20 claims
- 1281US11575359B2Multi-port coupled inductor with interference suppressionCISCO TECH INC·Filed 2021·Granted Feb 7, 2023·1 cites·17 claims
- 1360US12456910B2Latch-up mitigated charge pump for high power supply rejection low-dropout regulatorCISCO TECH INC·Filed 2023·Granted Oct 28, 2025·0 cites·20 claims
- 1459US11671105B2Frequency tracking loop using a scaled replica oscillator for injection locked oscillatorsCISCO TECH INC·Filed 2022·Granted Jun 6, 2023·0 cites·20 claims
- 1558US11716087B1Calibration loop for differential sub-sampling phase detector in sub-sampling phase locked loopCISCO TECH INC·Filed 2022·Granted Aug 1, 2023·0 cites·20 claims
- 1656US11509319B2Low integral non-linearity digital-to-time converter for fractional-N PLLSCISCO TECH INC·Filed 2020·Granted Nov 22, 2022·0 cites·20 claims
- 1755US11863222B2Low area equalizer with lane mismatch adaptation for sub-rate receiversCISCO TECH INC·Filed 2021·Granted Jan 2, 2024·0 cites·20 claims
- 1855US11811375B2Differential transimpedance amplifier employing asymmetric signal pathsCISCO TECH INC·Filed 2021·Granted Nov 7, 2023·0 cites·20 claims
- 1955US2025293783A1Ppm frequency error tracking with lane-status monitoring system for multi-lane direct-detect transceiversCISCO TECH INC·Filed 2025·Application pending·0 cites
- 2054US2025294271A1Fast digital lane drop detection system for multi-lane direct detect transceiversCISCO TECH INC·Filed 2025·Application pending·0 cites
- 2153US10880014B1Active relative intensity noise mitigation using nested interferometers, and trans-impedance amplifierCISCO TECH INC·Filed 2020·Granted Dec 29, 2020·0 cites·20 claims
- 2249US2025202470A1Linear output driver architecture for optical modulatorsCISCO TECH INC·Filed 2023·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →