Inventor · disambiguated record
Brian Welch
Also filed as: WELCH BRIAN · WELCH BRIAN P
55 granted patents·7 pending applications·462 citations·filing 2003–2025
99Inventor score
Top patents by PatentIndex Score
62 records- 0197US11234364B1Anti-scalp attachment for a weed cutterWELCH BRIAN·Filed 2020·Granted Feb 1, 2022·4 cites·17 claims
- 0297US10615903B2Method and system for a polarization immune wavelength division multiplexing demultiplexerLUXTERA INC·Filed 2019·Granted Apr 7, 2020·18 cites·20 claims
- 0397US8754711B2Method and system for a feedback transimpedance amplifier with sub-40khz low-frequency cutoffWELCH BRIAN·Filed 2013·Granted Jun 17, 2014·33 cites·22 claims
- 0497US8471639B2Method and system for a feedback transimpedance amplifier with sub-40khz low-frequency cutoffWELCH BRIAN·Filed 2011·Granted Jun 25, 2013·43 cites·20 claims
- 0597US8238014B2Method and circuit for encoding multi-level pulse amplitude modulated signals using integrated optoelectronic devicesKUCHARSKI DANIEL·Filed 2009·Granted Aug 7, 2012·51 cites·20 claims
- 0696US9973282B2Method and system for a distributed optoelectronic receiverLUXTERA INC·Filed 2016·Granted May 15, 2018·14 cites·18 claims
- 0796US9806920B2Method and system for split voltage domain receiver circuitsLUXTERA INC·Filed 2017·Granted Oct 31, 2017·11 cites·22 claims
- 0896US9548811B2Method and system for encoding multi-level pulse amplitude modulated signals using integrated optoelectronic devicesLUXTERA INC·Filed 2014·Granted Jan 17, 2017·14 cites·18 claims
- 0996US8665508B2Method and system for encoding multi-level pulse amplitude modulated signals using integrated optoelectronic devicesKUCHARSKI DANIEL·Filed 2012·Granted Mar 4, 2014·29 cites·36 claims
- 1095US10367664B2Method and system for split voltage domain transmitter circuitsLUXTERA INC·Filed 2017·Granted Jul 30, 2019·8 cites·20 claims
- 1195US10128957B2Method and system for a distributed optical transmitter with local domain splittingLUXTERA INC·Filed 2016·Granted Nov 13, 2018·16 cites·20 claims
- 1295US10057091B2Method and system for split voltage domain receiver circuitsLUXTERA INC·Filed 2017·Granted Aug 21, 2018·9 cites·22 claims
- 1395US7916377B2Integrated control system for laser and Mach-Zehnder interferometerLUXTERA INC·Filed 2009·Granted Mar 29, 2011·43 cites·20 claims
- 1494US9553676B2Method and system for split voltage domain receiver circuitsLUXTERA INC·Filed 2016·Granted Jan 24, 2017·7 cites·22 claims
- 1594US8687981B2Method and system for split voltage domain transmitter circuitsWELCH BRIAN·Filed 2008·Granted Apr 1, 2014·15 cites·22 claims
- 1693US10348257B2Method and system for a feedback transimpedance amplifier with sub-40khz low-frequency cutoffLUXTERA INC·Filed 2017·Granted Jul 9, 2019·4 cites·32 claims
- 1793US10263816B2Method and system for split voltage domain receiver circuitsLUXTERA INC·Filed 2018·Granted Apr 16, 2019·5 cites·22 claims
- 1893US9825727B2Method and system for a polarization immune wavelength division multiplexing demultiplexerLUXTERA INC·Filed 2017·Granted Nov 21, 2017·4 cites·20 claims
- 1993US9654227B2Method and system for split voltage domain transmitter circuitsLUXTERA INC·Filed 2015·Granted May 16, 2017·6 cites·23 claims
- 2093US9577780B2Method and system for a polarization immune wavelength division multiplexing demultiplexerLUXTERA INC·Filed 2015·Granted Feb 21, 2017·8 cites·20 claims
- 2192US8731410B2Method and system for split voltage domain receiver circuitsWELCH BRIAN·Filed 2008·Granted May 20, 2014·16 cites·20 claims
- 2291US10606003B2Method and system for an optical coupler for silicon photonics devicesLUXTERA INC·Filed 2014·Granted Mar 31, 2020·11 cites·25 claims
- 2391US10250207B2Method and system for a feedback transimpedance amplifier with sub-40KHZ low-frequency cutoffLUXTERA INC·Filed 2016·Granted Apr 2, 2019·5 cites·22 claims
- 2491US9264143B2Method and system for split voltage domain receiver circuitsLUXTERA INC·Filed 2014·Granted Feb 16, 2016·6 cites·22 claims
- 2590US10425165B1Method and system for a distributed optical transmitter with local domain splittingLUXTERA INC·Filed 2018·Granted Sep 24, 2019·6 cites·20 claims
- 2690US9172474B2Method and system for split voltage domain transmitter circuitsLUXTERA INC·Filed 2014·Granted Oct 27, 2015·5 cites·23 claims
- 2789US10243674B2Method and system for a distributed optoelectronic receiverLUXTERA INC·Filed 2018·Granted Mar 26, 2019·4 cites·18 claims
- 2887US10523477B2Method and system for split voltage domain receiver circuitsLUXTERA INC·Filed 2019·Granted Dec 31, 2019·2 cites·22 claims
- 2987US2024430012A1Method and system for encoding multi-level pulse amplitude modulated signals using integrated optoelectronic devicesCISCO TECH INC·Filed 2024·Application pending·0 cites
- 3085US10615900B2Method and system for cassette based wavelength division multiplexingLUXTERA INC·Filed 2019·Granted Apr 7, 2020·3 cites·20 claims
- 3184US10305597B2Method and system for encoding multi-level pulse amplitude modulated signals using integrated optoelectronic devicesLUXTERA INC·Filed 2017·Granted May 28, 2019·2 cites·18 claims
- 3283US10348437B2Method and system for cassette based wavelength division multiplexingLUXTERA INC·Filed 2017·Granted Jul 9, 2019·3 cites·20 claims
- 3382US10338308B2Method and system for partial integration of wavelength division multiplexing and bi-directional solutionsLUXTERA INC·Filed 2018·Granted Jul 2, 2019·2 cites·20 claims
- 3480US10784964B2Method and system for a distributed optical transmitter with local domain splittingLUXTERA LLC·Filed 2019·Granted Sep 22, 2020·2 cites·20 claims
- 3580US10341040B2Method and system for a polarization immune wavelength division multiplexing demultiplexerLUXTERA INC·Filed 2017·Granted Jul 2, 2019·2 cites·20 claims
- 3678US12113577B2Method and system for encoding multi-level pulse amplitude modulated signals using integrated optoelectronic devicesCISCO TECH INC·Filed 2021·Granted Oct 8, 2024·0 cites·8 claims
- 3778US11212007B2Method and system for encoding multi-level pulse amplitude modulated signals using integrated optoelectronic devicesLUXTERA LLC·Filed 2019·Granted Dec 28, 2021·0 cites·18 claims
- 3875US10120126B2Method and system for partial integration of wavelength division multiplexing and bi-directional solutionsLUXTERA INC·Filed 2017·Granted Nov 6, 2018·2 cites·20 claims
- 3974US11418160B2Method and system for a feedback transimpedance amplifier with sub-40khz low-frequency cutoffLUXTERA LLC·Filed 2020·Granted Aug 16, 2022·0 cites·20 claims
- 4074US9431977B2Method and system for a feedback transimpedance amplifier with sub-40khz low-frequency cutoffLUXTERA INC·Filed 2014·Granted Aug 30, 2016·2 cites·22 claims
- 4173US9841560B2Method and system for partial integration of wavelength division multiplexing and bi-directional solutionsLUXTERA INC·Filed 2016·Granted Dec 12, 2017·2 cites·20 claims
- 4272US11855698B2Method and system for a distributed optical transmitter with local domain splittingLUXTERA LLC·Filed 2021·Granted Dec 26, 2023·0 cites·18 claims
- 4372US7069598B1Necked garment having built-in receptacle for air activated heaterWELCH BRIAN·Filed 2003·Granted Jul 4, 2006·23 cites·16 claims
- 4471US10917267B2Method and system for split voltage domain receiver circuitsLUXTERA LLC·Filed 2019·Granted Feb 9, 2021·0 cites·20 claims
- 4571US7470863B2Microelectronic device with mixed dielectricIBM·Filed 2006·Granted Dec 30, 2008·5 cites·11 claims
- 4668US10666472B2Method and system for split voltage domain transmitter circuitsLUXTERA INC·Filed 2019·Granted May 26, 2020·0 cites·20 claims
- 4766US11228374B2Method and system for a distributed optical transmitter with local domain splittingLUXTERA LLC·Filed 2020·Granted Jan 18, 2022·0 cites·20 claims
- 4864US11275225B2Method and system for an optical coupler for silicon photonics devicesLUXTERA LLC·Filed 2020·Granted Mar 15, 2022·0 cites·25 claims
- 4963US12160273B2Multi-protocol optical deviceCISCO TECH INC·Filed 2022·Granted Dec 3, 2024·0 cites·20 claims
- 5063US10782543B2Method and system for a distributed mach-zehnder interferometer with integrated feed forward equalizerLUXTERA INC·Filed 2018·Granted Sep 22, 2020·0 cites·20 claims
Showing the top 50 of 62 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →