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For the Inventor, By the Inventor

Cupertino, CA, United States of America

Donald Robert Pannell

This inventor holds 103 USPTO granted patents and 5 published patent applications and 9 EPO patents, primarily in Network Communications (CPC class H04L47-6215). Top assignees: Marvell International Limited, Marvellworld Trade Ltd., Nxp B.v.. Active years: 1998-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Donald Robert Pannell. Retrieved from https://idiyas.com/inventor/donald-robert-pannell

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 103 

% Patents Active = 93.2

 

Average Co-Inventor Count = 1.6

ph-index = 17

Forward Citations = 1,038(Granted Patents)

Forward Citations (Not Self Cited) = 899(Dec 10, 2025)


Inventors with similar research interests:


    Location History:

    • Cupertion, CA (US) (2017)
    • San Jose, CA (US) (2021)
    • Cupertino, CA (US) (1998 - 2023)

    Company Filing History:

    goldMedal65 out of 5,162 
     
    Marvell International Limited
     patents
    silverMedal19 out of 1,901 
     
    Marvellworld Trade Ltd.
     patents
    bronzeMedal8 out of 5,322 
     
    Nxp B.v.
     patents
    4. 7 out of 608 
     
    Marvell Israel (Misl) Ltd.
     patents
    5. 6 out of 1,233 
     
    Marvell Asia Pte., Ltd.
     patents
    6. 3 out of 1,302 
     
    Fairchild Semiconductor Corporation
     patents
    7. 1 out of 25 
     
    Icube Corp.
     patents
    8. 1 out of 44 
     
    Marvell Semiconductor Israel Ltd.
     patents
    9. 1 out of 1 
     
    Radlan Computer Communications, Ltd
     patent
    10. 1 out of 22 
     
    Sierra Semiconductor
     patents
    where one patent can have more than one assignee

    Years Active: 1998-2025

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    Areas of Expertise:
    Packet Processing
    Network Switch
    Time Synchronization
    Ethernet Communications
    Audio Video Bridging
    Physical Layer Device
    Clock Merging
    Data Packet Transmission
    Multicast Handling
    Guard Band
    Frame Processing
    Idle Mode Management
    103 patents (USPTO):Explore Patents
    1. 12399549 - Packet processing system with energy saving features (2025-08-26),
    2. 11700202 - Port extender with local switching (2023-07-11),
    3. 11671455 - Ethernet communications device and method for operating an ethernet communications device (2023-06-06),
    4. 11539451 - Method and system for merging clocks from multiple precision time protocol (PTP) clock domains (2022-12-27),
    5. 11522774 - Network switch (2022-12-06),
    6. 11487682 - Priority queue sorting system and method with deterministic and bounded latency (2022-11-01),
    7. 11463555 - Local interconnect network (LIN) messaging between LIN partitions separated by a backbone communication network (2022-10-04),
    8. 11272543 - Physical layer device that connects to a shared media and method for operating a physical layer device that connects to a shared media (2022-03-08),
    9. 11249541 - Wake-on-frame for frame processing devices (2022-02-15),
    10. 11223439 - Maintaining a time of day in a physical layer circuit including compensating for drift away from a grandmaster time (2022-01-11),
    11. 11038713 - Communications device and method for communications (2021-06-15),
    12. 10999099 - Physical layer device and method for operating a physical layer device (2021-05-04),
    13. 10951523 - Port extender with local switching (2021-03-16),
    14. 10862601 - Bridges including physical layer devices for indicating transmission times of synchronization frames by modifying previously generated corresponding follow up frames (2020-12-08),
    15. 10498475 - Maintaining a time of day in physical layer circuit of a network device while periodically compensating for drift away from a master time of a grandmaster clock (2019-12-03),

    Title: The Innovative Contributions of Donald Robert Pannell

    Introduction: Donald Robert Pannell is a prominent inventor based in Cupertino, CA, known for his significant contributions to technology, particularly in the field of Ethernet communications. With an impressive portfolio of 102 patents, he continues to push the boundaries of innovation.

    Latest Patents: Among his most recent inventions, Pannell has developed a "Port extender with local switching," which features a switching system consisting of a controlling switch and multiple port extenders. This invention enhances network efficiency by intelligently managing the flow of packets based on their destination addresses, allowing for streamlined connectivity among devices.

    Another notable patent is for an "Ethernet communications device and method for operating an Ethernet communications device." This device incorporates a physical layer (PHY) unit or media access control (MAC) unit, designed for effective media access control. It also includes a security unit that ensures data integrity by managing data streams according to predefined policies.

    Career Highlights: Throughout his career, Donald Pannell has been associated with leading technology companies, including Marvell International Limited and Marvell World Trade Ltd. His work at these organizations has been pivotal in developing innovative solutions in networking and communications technology.

    Collaborations: Pannell has collaborated with other talented professionals, including Hong Yu Chou and Hugh Walsh, contributing to his achievements in the field. These partnerships have allowed him to share knowledge and innovate alongside some of the brightest minds in the industry.

    Conclusion: Donald Robert Pannell’s extensive portfolio highlights his role as a key contributor to technological advancements in networking and communications. As he continues to innovate, his work not only impacts the companies he has been associated with but also sets the stage for future developments in the electronic communications sector.

    Profile summary based on public USPTO records.
    Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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