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For the Inventor, By the Inventor

Saint Paul, MN, United States of America

Digital Angel Corporation


USPTO Granted Patents = 14

% Expired Patents = 35.7



Trademarks = 11

Forward Citations = 2,076

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15 inventors (with patents filed for the assignee):

goldMedal Ezequiel Mejia (6 out of 16 patents)

silverMedal Dexing Pang (5 out of 11 patents)

bronzeMedal Peter Y Zhou (5 out of 19 patents)

4.  Yuri Smirnov (3 out of 8 patents)

5.  William Li (3 out of 3 patents)

6.  Ingo Stark (2 out of 3 patents)

7.  Sean Casey (2 out of 3 patents)

8.  Yiu-Cho Alan Tong (1 out of 2 patents)

9.  Ning Lin (1 out of 2 patents)

10.  David Ralph Addington (1 out of 2 patents)

11.  Rowena Lampa Albanna (1 out of 2 patents)

12.  Amro Albanna (1 out of 2 patents)

13.  Vincent K Chan (1 out of 2 patents)

14.  Daniel L Johnson (1 out of 1 patent)

15.  Keith I Bolton (1 out of 1 patent)


14 patents:

1. 7629531 - Low power thermoelectric generator (2009-12-08),
2. 7626114 - Thermoelectric power supply (2009-12-01),
3. 7297112 - Embedded bio-sensor system (2007-11-20),
4. 7241266 - Transducer for embedded bio-sensor using body energy as a power source (2007-07-10),
5. 7176846 - Passive integrated transponder tag with unitary antenna core (2007-02-13),
6. 7125382 - Embedded bio-sensor system (2006-10-24),
7. 7015826 - Method and apparatus for sensing and transmitting a body characteristic of a host (2006-03-21),
8. 6947004 - Passive integrated transponder tag with unitary antenna core (2005-09-20),
9. 6847892 - System for localizing and sensing objects and providing alerts (2005-01-25),
10. 6833790 - Livestock chute scanner (2004-12-21),
11. 6720930 - Omnidirectional RFID antenna (2004-04-13),
12. 6700547 - Multidirectional walkthrough antenna (2004-03-02),
13. 6559620 - System and method for remote monitoring utilizing a rechargeable battery (2003-05-06),
14. 6369694 - Apparatus and method for remotely testing a passive integrated transponder tag interrogation system (2002-04-09),
Company Overview
Digital Angel Corporation, based in Saint Paul, MN, specializes in advanced technology solutions primarily focused on the development of innovative medical devices and health monitoring systems. The company leverages cutting-edge research in biotechnology and wireless communication to create products that enhance patient care and safety. With a commitment to improving health outcomes, Digital Angel is at the forefront of integrating technology into healthcare, aiming to provide reliable and efficient solutions for both consumers and healthcare providers.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

14 Patents

#84 in Saint Paul, MN

#646 in Minnesota

#22,319 in US

#42,249 in the World

Saint Paul, MN (US)
Saint Paul, MN, United States of America

Digital Angel Corporation

Forward Citations = 2,076

15 inventors:

goldMedal Ezequiel Mejia (6 out of 16 patents)

silverMedal Dexing Pang (5 out of 11 patents)

bronzeMedal Peter Y Zhou (5 out of 19 patents)

4.  Yuri Smirnov (3 out of 8 patents)

5.  William Li (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Digital Angel Corporation. Retrieved from https://idiyas.com/company/digital-angel

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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