% Expired Patents = 14.3

Forward Citations = 661

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7 inventors (with patents filed for the assignee):

Rick V Murakami (6 out of 10 patents)

Matthew W Pettit (5 out of 9 patents)

Clark T Hinton (3 out of 4 patents)

4. David R Miller (3 out of 111 patents)

5. Larry V Lunt (1 out of 5 patents)

6. Richard Bennett (1 out of 1 patent)

7. J Spencer Grant (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 8150108 - Systems and methods of identification based on biometric parameters (2012-04-03),

2. 8049597 - Systems and methods for securely monitoring an individual (2011-11-01),

3. 7948361 - Obtaining biometric identification using a direct electrical contact (2011-05-24),

4. 7796013 - Device using histological and physiological biometric marker for authentication and activation (2010-09-14),

5. 7536557 - Method for biometric authentication through layering biometric traits (2009-05-19),

6. 7441123 - Method and apparatus for characterizing and estimating the parameters of histological and physiological biometric markers for authentication (2008-10-21),

7. 7133792 - Method and apparatus for calibration over time of histological and physiological biometric markers for authentication (2006-11-07),

Company Overview

Ensign Holdings is a leading investment company focused on diverse industries including technology, real estate, and healthcare. With a strong track record of successful investments, Ensign Holdings is committed to creating value and driving growth in the companies they partner with.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

7 Patents

#193 in Salt Lake City, UT

#494 in Utah

#39,879 in US

Salt Lake City, UT, United States of America

Ensign Holdings

Forward Citations = 661

7 inventors:

Rick V Murakami (6 out of 10 patents)

Matthew W Pettit (5 out of 9 patents)

Clark T Hinton (3 out of 4 patents)

4. David R Miller (3 out of 111 patents)

5. Larry V Lunt (1 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ensign Holdings. Retrieved from https://idiyas.com/company/ensign-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]