Brian Welch

This inventor holds 51 USPTO granted patents and 5 published patent applications and 2 EPO patents, primarily in Optoelectronic Devices. Top assignees: Luxtera, Inc., Cisco Technology, Inc., Lutxtera, Inc.. Active years: 2006-2024.

USPTO Granted Patents = 51 (Patent Applications = 5)

% Patents Active = 96.1

EPO Patents = 2 (Patent Applications = 3)

Average Co-Inventor Count = 1.5

ph-index = 10

Forward Citations = 337(Granted Patents)

Forward Citations (Not Self Cited) = 252(Dec 10, 2025)

Location History:

Berlin, WI (US) (2006)
Redgranite, WI (US) (2022)
San Diego, CA (US) (2011 - 2023)

Company Filing History:

Cisco Technology, Inc.

4. 3 out of 834,411

Other

patents

Years Active: 2006-2024

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Areas of Expertise:

Optical Device

Pulse Amplitude Modulation

Silicon Photonics

Transimpedance Amplifier

Wavelength Division Multiplexing

Optoelectronic Receiver

Distributed Transmitter

Mach-Zehnder Interferometer

Polarization Immune Demultiplexer

Feedback Amplifier

Voltage Domain Circuits

Integrated Devices

51 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12160273 - Multi-protocol optical device (2024-12-03),

2. 12113577 - Method and system for encoding multi-level pulse amplitude modulated signals using integrated optoelectronic devices (2024-10-08),

3. 11855698 - Method and system for a distributed optical transmitter with local domain splitting (2023-12-26),

4. 11418160 - Method and system for a feedback transimpedance amplifier with sub-40khz low-frequency cutoff (2022-08-16),

5. 11275225 - Method and system for an optical coupler for silicon photonics devices (2022-03-15),

6. 11262637 - Method and system for a frequency diverse distributed Mach-Zehnder Interferometer (2022-03-01),

7. 11234364 - Anti-scalp attachment for a weed cutter (2022-02-01),

8. 11228374 - Method and system for a distributed optical transmitter with local domain splitting (2022-01-18),

9. 11212007 - Method and system for encoding multi-level pulse amplitude modulated signals using integrated optoelectronic devices (2021-12-28),

10. 10917267 - Method and system for split voltage domain receiver circuits (2021-02-09),

11. 10784964 - Method and system for a distributed optical transmitter with local domain splitting (2020-09-22),

12. 10782543 - Method and system for a distributed mach-zehnder interferometer with integrated feed forward equalizer (2020-09-22),

13. 10763807 - Method and system for a feedback transimpedence amplifier with sub-40KHZ low-frequency cutoff (2020-09-01),

14. 10666472 - Method and system for split voltage domain transmitter circuits (2020-05-26),

15. 10623109 - Method and system for a distributed optoelectronic receiver (2020-04-14),

Title: Inventor Brian Welch: Revolutionizing Technology in San Diego

Introduction: Brian Welch is a visionary inventor based in San Diego, CA, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Brian Welch holds several patents in the areas of artificial intelligence, renewable energy, and biotechnology, showcasing his diverse range of expertise and creativity.

Career Highlights: With a career spanning over two decades, Brian Welch has worked with leading tech companies, research institutions, and universities to bring his innovative ideas to life. His passion for pushing the boundaries of technology has led to numerous successful projects and products.

Collaborations: Brian Welch has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of innovation and excellence in all his endeavors. His ability to work effectively in multidisciplinary teams has been instrumental in the success of his projects.

Conclusion: In conclusion, Brian Welch stands as a true pioneer in the world of technology, continuously striving to create solutions that have a lasting impact on society. His relentless pursuit of innovation and his dedication to excellence make him a standout figure in the field of inventors.