For the Inventor, By the Inventor

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San Diego, CA, United States of America

Digirad Corporation

USPTO Granted Patents = 39

% Expired Patents = 20.5

Trademarks = 1

Forward Citations = 1,428

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25 inventors (with patents filed for the assignee):

Lars S Carlson (12 out of 13 patents)

Richard Louis Conwell (11 out of 15 patents)

Clinton LaMar Lingren (10 out of 20 patents)

4. William L Ashburn (10 out of 10 patents)

5. Stanley J Friesenhahn (9 out of 11 patents)

6. Boris Apotovsky (8 out of 9 patents)

7. Jack F Butler (8 out of 9 patents)

8. Shulai Zhao (7 out of 22 patents)

9. F Patrick Doty (7 out of 8 patents)

10. Frank L Augustine (6 out of 10 patents)

11. Joel Kindem (5 out of 10 patents)

12. John F Sheridan (5 out of 8 patents)

13. Alan Mollet (5 out of 5 patents)

14. Chuanyong Bai (3 out of 5 patents)

15. Bo Pi (2 out of 112 patents)

Core Competencies:

SPECT Imaging

Gamma-Ray Camera

Semiconductor Detector

Image Segmentation

Radiation Shield

Patient Tracking

Collimation

Charge Pump

Field-of-View

Attenuation Correction

Noise Control

Edge Current

39 patents: Sort by Forward Citations

1. 8362438 - Use of hybrid collimation for interleaved emission and transmission scans for SPECT (2013-01-29),

2. 8039805 - Multi-short-scan technique in spect imaging (2011-10-18),

3. 7927903 - Capacitive bypass (2011-04-19),

4. 7732780 - Combined cold plate and radiation shield (2010-06-08),

5. 7700921 - Multi-short-scan technique in SPECT imaging (2010-04-20),

6. 7683341 - Using large field-of-view data to improve small field-of-view imaging (2010-03-23),

7. 7668288 - Discrete sampling of gamma ray field over multiple portions using multiple heads with spaces between the different portions (2010-02-23),

8. 7605397 - Capacitive bypass (2009-10-20),

9. 7560699 - Small field-of-view detector head ('SPECT') attenuation correction system (2009-07-14),

10. 7417216 - Fabrication of low leakage-current backside illuminated photodiodes (2008-08-26),

11. 7381961 - Multi-small field-of-view detector head SPECT system that scans over 360Å (2008-06-03),

12. 7365334 - Automated three dimensional patient tracking during medical imaging procedures (2008-04-29),

13. 7297927 - Fabrication of low leakage-current backside illuminated photodiodes (2007-11-20),

14. 7256386 - Fabrication of low leakage-current backside illuminated photodiodes (2007-08-14),

15. 7217953 - Technique for suppression of edge current in semiconductor devices (2007-05-15),

Company Overview

Digirad Corporation, based in San Diego, California, specializes in advanced medical imaging solutions. The company develops and manufactures innovative diagnostic imaging systems, particularly focused on nuclear medicine and ultrasound technologies. With a commitment to enhancing patient care, Digirad's products are utilized in various healthcare settings, providing high-quality imaging for accurate diagnoses. The organization emphasizes the integration of cutting-edge technology to improve clinical outcomes and streamline healthcare processes.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

39 Patents

#156 in San Diego, CA

#2,094 in California

#8,830 in US

#17,465 in the World

San Diego, CA, United States of America

Digirad Corporation

Forward Citations = 1,428

25 inventors:

Lars S Carlson (12 out of 13 patents)

Richard Louis Conwell (11 out of 15 patents)

Clinton LaMar Lingren (10 out of 20 patents)

4. William L Ashburn (10 out of 10 patents)

5. Stanley J Friesenhahn (9 out of 11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Digirad Corporation. Retrieved from https://idiyas.com/company/digirad

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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