Pasadena, CA, United States of America

Kevin Tunghai Chan

USPTO Granted Patents = 60 


Average Co-Inventor Count = 1.3

ph-index = 13

Forward Citations = 795(Granted Patents)

Forward Citations (Not Self Cited) = 741(Oct 12, 2025)


Inventors with similar research interests:


Location History:

  • Pasadena, CA (US) (1995 - 2014)
  • Monrovia, CA (US) (2023)

Company Filing History:


Years Active: 1995-2024

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60 patents (USPTO):

Title: Innovations of Kevin Tunghai Chan: Pioneering Advances in Ethernet Technology

Introduction: Kevin Tunghai Chan, a prolific inventor based in Pasadena, CA, has made significant contributions to the field of technology with an impressive portfolio of 58 patents. His work primarily focuses on improving Ethernet systems, enhancing their efficiency and functionality for better data communication.

Latest Patents: Among his notable recent innovations is the "Receiver Based Power Efficient Transmitter for Ethernet." This invention outlines systems and methods that adjust the current driving a transmitter, specifically aimed at reducing power consumption based on the actual value of a received signal along a cable. This technology is particularly advantageous for Ethernet systems dealing with signal attenuation due to lossy cables, allowing for a decrease in power consumption during typical data transmission.

Another significant patent is the "Full Channel-Swap Crossbar." This invention presents a programmable channel-swap crossbar switch that enables the swapping of signal flow from one channel to another within an Ethernet physical layer device (PHY). This switch incorporates multiple programmed multiplexers, facilitating the selection of input signals to pass to corresponding channels as operating conditions change. The versatility of this crossbar switch supports various communication speeds, including 10BaseT, 100BaseT, and Gigabit communications, and can be utilized in both transmit and receive paths.

Career Highlights: Kevin has had an accomplished career, contributing his expertise at renowned companies such as Broadcom Corporation and Hughes Aircraft Company. His innovative spirit and technical acumen have established him as a leading figure in the advancements of Ethernet technology.

Collaborations: Throughout his career, Kevin Tunghai Chan has collaborated with several accomplished professionals, including Yee Ling Cheung and Michael Q Le. These partnerships have resulted in cutting-edge innovations that have propelled the industry forward.

Conclusion: Kevin Tunghai Chan's contributions to technology through his innovative patents reflect a commitment to enhancing the capabilities of Ethernet systems. His work, driven by a deep understanding of communication and signal processing, continues to shape the future of data transmission. Kevin's inventions not only address current technological challenges but also set the stage for further advancements in the field.

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