Inventor · disambiguated record
Kadaba Lakshmikumar
Also filed as: LAKSHMIKUMAR KADABA · LAKSHMIKUMAR KADABA R
44 granted patents·5 pending applications·507 citations·filing 1994–2023
98Inventor score
Files withCISCO TECH INC27LUCENT TECHNOLOGIES INC11AGERE SYSTEMS INC4AGERE SYST GUARDIAN CORP1CONEXANT SYSTEMS INC1
Top patents by PatentIndex Score
49 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
- 0395US11218113B1Dual-core dual-resonance compact inductor-capacitor voltage controlled oscillatorCISCO TECH INC·Filed 2020·Granted Jan 4, 2022·5 cites·15 claims
- 0494US5646518APTAT current sourceLUCENT TECHNOLOGIES INC·Filed 1994·Granted Jul 8, 1997·79 cites·16 claims
- 0592US10505509B2Process and temperature insensitive linear circuitCISCO TECH INC·Filed 2017·Granted Dec 10, 2019·20 cites·20 claims
- 0691US12126363B2Error cancellation delta-sigma DAC with an inverting amplifier-based filterCISCO TECH INC·Filed 2022·Granted Oct 22, 2024·3 cites·20 claims
- 0791US11901906B1Hybrid 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
- 0889US11533057B2Dynamic multiphase injection-locked phase rotator for electro-optical transceiverCISCO TECH INC·Filed 2021·Granted Dec 20, 2022·2 cites·20 claims
- 0988US12191915B1Differential differencing transimpedance amplifier for coherent applicationsCISCO TECH INC·Filed 2022·Granted Jan 7, 2025·2 cites·20 claims
- 1085US6833743B2Adjustment of a clock duty cycleFiled 2002·Granted Dec 21, 2004·24 cites·18 claims
- 1185US6104228APhase aligner system and methodLUCENT TECHNOLOGIES INC·Filed 1997·Granted Aug 15, 2000·61 cites·18 claims
- 1284US11249499B2Linear transimpedance amplifier dual regulator architecture and tuningCISCO TECH INC·Filed 2020·Granted Feb 15, 2022·2 cites·20 claims
- 1383US6700944B1Phase detector for clock and data recoveryAGERE SYSTEMS INC·Filed 2000·Granted Mar 2, 2004·25 cites·24 claims
- 1482US10965377B1Thermal tuning and quadrature control using active extinction ratio trackingCISCO TECH INC·Filed 2020·Granted Mar 30, 2021·2 cites·18 claims
- 1582US7701301B2Systems for implementing a temperature and process compensated two-stage ring oscillatorCONEXANT SYSTEMS INC·Filed 2007·Granted Apr 20, 2010·13 cites·18 claims
- 1682US6690082B2High dopant concentration diffused resistor and method of manufacture thereforAGERE SYSTEMS INC·Filed 2002·Granted Feb 10, 2004·25 cites·15 claims
- 1781US11575359B2Multi-port coupled inductor with interference suppressionCISCO TECH INC·Filed 2021·Granted Feb 7, 2023·1 cites·17 claims
- 1881US10942377B2High swing AC-coupled Mach-Zehnder interferometer (MZI) driverCISCO TECH INC·Filed 2018·Granted Mar 9, 2021·2 cites·20 claims
- 1981US5565817ARing oscillator having accelerated charging and discharging of capacitorsLUCENT TECHNOLOGIES INC·Filed 1995·Granted Oct 15, 1996·49 cites·19 claims
- 2078US5767736ACharge pump having high switching speed and low switching noiseLUCENT TECHNOLOGIES INC·Filed 1997·Granted Jun 16, 1998·35 cites·18 claims
- 2177US9654061B2Silicon photonics modulator driverCISCO TECH INC·Filed 2015·Granted May 16, 2017·4 cites·19 claims
- 2265US5945881APLL frequency synthesizer with K multiplication in addition to division for subtraction of phase noiseLUCENT TECHNOLOGIES INC·Filed 1998·Granted Aug 31, 1999·26 cites·7 claims
- 2363US6566891B1Measurement system and method of determining characteristics associated with a waveform having distortion associated therewithAGERE SYSTEMS INC·Filed 2000·Granted May 20, 2003·8 cites·12 claims
- 2463US6407609B1Distortion precompensator and method of compensating for distortion in a transmission mediumAGERE SYST GUARDIAN CORP·Filed 2000·Granted Jun 18, 2002·8 cites·24 claims
- 2562US9793902B2Reference-less clock and data recovery circuitCISCO TECH INC·Filed 2016·Granted Oct 17, 2017·2 cites·15 claims
- 2662US8344761B23-level line driverIKANOS COMMUNICATIONS INC·Filed 2009·Granted Jan 1, 2013·4 cites·23 claims
- 2760US12456910B2Latch-up mitigated charge pump for high power supply rejection low-dropout regulatorCISCO TECH INC·Filed 2023·Granted Oct 28, 2025·0 cites·20 claims
- 2860US5619125AVoltage-to-current converterLUCENT TECHNOLOGIES INC·Filed 1995·Granted Apr 8, 1997·17 cites·18 claims
- 2959US11671105B2Frequency tracking loop using a scaled replica oscillator for injection locked oscillatorsCISCO TECH INC·Filed 2022·Granted Jun 6, 2023·0 cites·20 claims
- 3058US9258010B1Monotonic segmented digital to analog converterCISCO TECH INC·Filed 2014·Granted Feb 9, 2016·2 cites·20 claims
- 3157US10819299B2Process and temperature insensitive linear circuitCISCO TECH INC·Filed 2019·Granted Oct 27, 2020·0 cites·20 claims
- 3256US11509319B2Low integral non-linearity digital-to-time converter for fractional-N PLLSCISCO TECH INC·Filed 2020·Granted Nov 22, 2022·0 cites·20 claims
- 3355US11863222B2Low area equalizer with lane mismatch adaptation for sub-rate receiversCISCO TECH INC·Filed 2021·Granted Jan 2, 2024·0 cites·20 claims
- 3455US11811375B2Differential transimpedance amplifier employing asymmetric signal pathsCISCO TECH INC·Filed 2021·Granted Nov 7, 2023·0 cites·20 claims
- 3555US2025172832A1Voa with digital control of phase change materialCISCO TECH INC·Filed 2023·Application pending·0 cites
- 3653US12107556B2Fault detection in integrated circuitsCISCO TECH INC·Filed 2021·Granted Oct 1, 2024·0 cites·18 claims
- 3752US11177796B2Sense amplifier flip-flopCISCO TECH INC·Filed 2020·Granted Nov 16, 2021·0 cites·17 claims
- 3850US6107867ALoad termination sensing circuitLUCENT TECHNOLOGIES INC·Filed 1994·Granted Aug 22, 2000·20 cites·12 claims
- 3950US5809097ALow jitter phase detector for phase locked loopsLUCENT TECHNOLOGIES INC·Filed 1996·Granted Sep 15, 1998·14 cites·20 claims
- 4049US2025202470A1Linear output driver architecture for optical modulatorsCISCO TECH INC·Filed 2023·Application pending·0 cites
- 4147US11552600B2Photodiode cathode biasingCISCO TECH INC·Filed 2019·Granted Jan 10, 2023·0 cites·16 claims
- 4246US5815390AVoltage-to-current converterLUCENT TECHNOLOGIES INC·Filed 1996·Granted Sep 29, 1998·9 cites·18 claims
- 4344US2004042504A1Aligning data bits in frequency synchronous data channelsFiled 2002·Application pending·0 cites
- 4441US9397687B2Monotonic segmented digital to analog converterCISCO TECH INC·Filed 2016·Granted Jul 19, 2016·0 cites·20 claims
- 4541US5631595AVoltage signal line driver comprising a push-pull bridge amplifierLUCENT TECHNOLOGIES INC·Filed 1996·Granted May 20, 1997·13 cites·14 claims
- 4640US6784044B2High dopant concentration diffused resistor and method of manufacture thereforAGERE SYSTEMS INC·Filed 2003·Granted Aug 31, 2004·0 cites·12 claims
- 4737US2005083091A1Adjustment of a clock duty cycleMULTILINK TECHNOLOGY CORP A SO·Filed 2004·Application pending·0 cites
- 4834US2003201924A1Digital-to-analog converterFiled 2002·Application pending·0 cites
- 4933US5862187AMPSK demodulatorLUCENT TECHNOLOGIES INC·Filed 1995·Granted Jan 19, 1999·7 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →