% 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),

Company Overview

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 synthesized from public USPTO records and patent filings.

Company Badge

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.

Forward Citations = 132

6 inventors:

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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Photonic Biosystems Inc.. Retrieved from https://idiyas.com/company/photonic-biosystems

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]

1 patent (EPO):

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]