% Expired Patents = 9.1

Trademarks = 2

Forward Citations = 125

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8 inventors (with patents filed for the assignee):

Peter James Fellingham (11 out of 23 patents)

Yichuan Pan (11 out of 27 patents)

David Allen Purcell (5 out of 11 patents)

4. Craig Timothy Shugert (4 out of 5 patents)

5. Nebojsa Sataric (4 out of 5 patents)

6. Zelin Zhang (4 out of 4 patents)

7. David Michael Petersen (3 out of 12 patents)

8. Scott Allen Rieger (1 out of 1 patent)

11 patents: Sort by Forward Citations

1. 10973730 - Wheeled walker (2021-04-13),

2. D902791 - Wheeled walker (2020-11-24),

3. 10828226 - Collapsible upright wheeled walker apparatus (2020-11-10),

4. 10617592 - Wheeled walker (2020-04-14),

5. 10555866 - Wheeled walker wheel direction lock apparatus and method (2020-02-11),

6. D874351 - Wheeled walker (2020-02-04),

7. 10434031 - Wheeled walker with a moveable seat (2019-10-08),

8. 10322056 - Collapsible upright wheeled walker apparatus (2019-06-18),

9. 10307321 - Wheeled walker with a movable seat (2019-06-04),

10. 10085909 - Collapsible upright wheeled walker apparatus (2018-10-02),

11. 9585807 - Collapsible upright wheeled walker apparatus (2017-03-07),

Company Overview

Protostar, Inc. is a technology company based in San Diego, California, specializing in advanced solutions for satellite communications and space systems. The organization focuses on developing innovative technologies that enhance connectivity and data transmission capabilities in various environments. With a commitment to pushing the boundaries of aerospace engineering, Protostar aims to address the growing demands of global communication networks and support the evolving landscape of satellite applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

11 Patents

#497 in San Diego, CA

#6,541 in California

#27,514 in US

#51,761 in the World

San Diego, CA, United States of America

Protostar, Inc., a Delaware Corporation

Forward Citations = 125

8 inventors:

Peter James Fellingham (11 out of 23 patents)

Yichuan Pan (11 out of 27 patents)

David Allen Purcell (5 out of 11 patents)

4. Craig Timothy Shugert (4 out of 5 patents)

5. Nebojsa Sataric (4 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Protostar, Inc., a Delaware Corporation. Retrieved from https://idiyas.com/company/protostar-a-delaware

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

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]