% Expired Patents = 63.6

Forward Citations = 112

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7 inventors (with patents filed for the assignee):

Peter J Edmonson (11 out of 39 patents)

William D Hunt (6 out of 20 patents)

Colin K Campbell (5 out of 13 patents)

4. Desmond D Stubbs (4 out of 4 patents)

5. Sang Hun Lee (1 out of 1 patent)

6. Douglas W Stoddard (1 out of 1 patent)

7. Stephen T Makk (1 out of 1 patent)

11 patents: Sort by Forward Citations

1. 8420382 - Acoustic wave biosensor for the detection and identification of characteristic signaling molecules in a biological medium (2013-04-16),

2. 8168424 - Differentiation and identification of analogous chemical and biological substances with biosensors (2012-05-01),

3. 7651843 - Acoustic wave biosensor for the detection and identification of characteristic signaling molecules in a biological medium (2010-01-26),

4. 7451649 - Differentiation and identification of analogous chemical or biological substances with biosensors (2008-11-18),

5. 7383072 - Sweat sensor system and method of characterizing the compositional analysis of sweat fluid (2008-06-03),

6. 7229821 - Acoustic wave RFID/biosensor assemblies (2007-06-12),

7. 7158763 - Multi-IDT SAW hybrid communication system (2007-01-02),

8. 7053524 - Surface acoustic wave sensor or identification device with biosensing capability (2006-05-30),

9. 7005964 - Dual track surface acoustic wave RFID/sensor (2006-02-28),

10. 6967428 - Selectable reflector arrays for SAW sensors and identification devices (2005-11-22),

11. 6827281 - Encoded SAW RFID tags and sensors for multi-user detection using IDT finger phase modulation (2004-12-07),

Company Overview

P.J. Edmonson Ltd. is a Canadian company specializing in the development and manufacturing of advanced engineering solutions. The organization focuses on providing innovative products and services across various sectors, including automotive and industrial applications. With a commitment to quality and technological advancement, P.J. Edmonson Ltd. leverages its expertise to deliver tailored solutions that meet the evolving needs of its clients, ensuring reliability and performance in every project.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

11 Patents

#109 in

#1,379 in Canada

#51,801 in the World

CA

P.j. Edmonson Ltd.

Forward Citations = 112

7 inventors:

Peter J Edmonson (11 out of 39 patents)

William D Hunt (6 out of 20 patents)

Colin K Campbell (5 out of 13 patents)

4. Desmond D Stubbs (4 out of 4 patents)

5. Sang Hun Lee (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: P.j. Edmonson Ltd.. Retrieved from https://idiyas.com/company/p-j-edmonson

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]