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For the Inventor, By the Inventor

West Chester, PA, United States of America

X-Card Holdings, LLC

USPTO Granted Patents = 48



Trademarks = 2

Forward Citations = 1,233

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4 inventors (with patents filed for the assignee):

goldMedal Mark Allan Cox (46 out of 71 patents)

silverMedal John Kenneth Bona (6 out of 6 patents)

bronzeMedal Finn Nielsen (2 out of 15 patents)

4.  Rune Petter Domsten (2 out of 2 patents)

5.  Finn Nielsen (0 patent)

6.  Rune Petter Domsten (0 patent)

7.  Rune Petter Domsten (0 patent)


Core Competencies:
Information Carrying Card
Secure Smart Card System
Electronic Credential Activation
Cross-Linked Polymer
Inductive Coupling
Metal Card
Core Layer
Self-Centered Inlay
Radiation Curing
One-Time Password Card
Illuminated Codes

48 patents:

1. 12762370 - Self-centered inlay and core layer for information carrying card, process and resulting products (2026-10-13),
2. 12558883 - Methods of making a core layer for an information carrying card, and resulting products (2026-02-24),
3. 12528279 - Core layer for information carrying card, resulting information carrying card, and methods of making the same (2026-01-20),
4. 12518119 - Metal card (2026-01-06),
5. 12340266 - Self-centered inlay and core layer for information carrying card, process and resulting products (2025-06-24),
6. 12315672 - Multiple interface electronic card (2025-05-27),
7. 12260695 - Electronic credential signal activation systems and methods (2025-03-25),
8. 12220897 - Core layer for information carrying card, resulting information carrying card, and methods of making the same (2025-02-11),
9. 12204966 - Metal card (2025-01-21),
10. 11884051 - Methods of making a core layer for an information carrying card, and resulting products (2024-01-30),
11. 11853824 - Metal card (2023-12-26),
12. 11783997 - Multiple interface electronic card (2023-10-10),
13. 11734979 - Electronic credential signal activation systems and methods (2023-08-22),
14. 11560474 - Information carrying card comprising a cross-linked polymer composition, and method of making the same (2023-01-24),
15. 11417162 - Electronic credential signal activation systems and methods (2022-08-16),
Company Overview
X-Card Holdings, LLC, based in West Chester, PA, specializes in the development and manufacturing of advanced electronic credential systems. The company focuses on innovative technologies such as information carrying cards, secure smart card systems, and multiple interface electronic cards. Their expertise extends to cross-linked polymer compositions and radiation curing processes, enabling the creation of durable and efficient electronic credentials. X-Card Holdings is committed to enhancing security and functionality in electronic identification and payment solutions.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

48 Patents

#4 in West Chester, PA

#268 in Pennsylvania

#7,288 in US

#14,561 in the World

West Chester, PA (US)
West Chester, PA, United States of America

X-Card Holdings, LLC

Forward Citations = 1,233

4 inventors:

goldMedal Mark Allan Cox (46 out of 71 patents)

silverMedal John Kenneth Bona (6 out of 6 patents)

bronzeMedal Finn Nielsen (2 out of 15 patents)

4.  Rune Petter Domsten (2 out of 2 patents)

5.  Finn Nielsen (0 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: X-Card Holdings, LLC. Retrieved from https://idiyas.com/company/x-card-holdings

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]
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