% Expired Patents = 14.3

EPO Patents = 1

Forward Citations = 132

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6 inventors (with patents filed for the assignee):

David L Putnam (7 out of 11 patents)

Todd W Hubbard (5 out of 7 patents)

Jason A Putnam (4 out of 5 patents)

4. Gamal Khalil (2 out of 4 patents)

5. Janice A Sharick (2 out of 2 patents)

6. James A Van Zee (1 out of 1 patent)

7. David Putnam (1 patent)

7 patents: Sort by Forward Citations

1. 9068976 - Integrated filtration bioanalyzer (2015-06-30),

2. 8968681 - Filtered assay device and method (2015-03-03),

3. 8202503 - Visual, continuous and simultaneous measurement of solution ammonia and hydrogen ion concentration (2012-06-19),

4. 8173438 - Microbiological assessment method and device utilizing oxygen gradient sensing (2012-05-08),

5. 7790113 - Visual, continuous and simultaneous measurement of solution ammonia and hydrogen ion concentration (2010-09-07),

6. 7592184 - Ammonia detection and measurement device (2009-09-22),

7. 7014612 - [object Object] (2006-03-21),

Photonic Biosystems Inc. is a leading provider of innovative biosensor technology for the healthcare industry. Our groundbreaking platform integrates photonics and biology to create cutting-edge solutions for real-time monitoring of various biomolecules. With a focus on accuracy, sensitivity, and speed, our products are revolutionizing the way medical professionals diagnose and treat patients. Visit our website to learn more about our transformative technology.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

7 Patents

#3 in Sammamish, WA

#927 in Washington

#39,879 in US

Sammamish, WA, United States of America

Photonic Biosystems Inc.