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Canadian Patents & Dev. Limited

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USPTO Granted Patents = 24

Forward Citations = 424

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49 inventors (with patents filed for the assignee):

Pradeep M Bhagwat (2 out of 23 patents)

Norbert L Kusters (2 out of 5 patents)

Brian S Kawasaki (2 out of 11 patents)

4. Elmer H Hara (2 out of 12 patents)

5. George W Holbrook (2 out of 2 patents)

6. Richard Hastings-James (2 out of 2 patents)

7. William J Moore (2 out of 4 patents)

8. R Ian MacDonald (2 out of 4 patents)

9. Victor R Stefanovic (2 out of 3 patents)

10. John Tulip (1 out of 6 patents)

11. Takeshi Matsuura (1 out of 8 patents)

12. Lotfollah Shafai (1 out of 8 patents)

13. Satish Kashyap (1 out of 2 patents)

14. Marc Rioux (1 out of 15 patents)

15. Jacques Domey (1 out of 2 patents)

24 patents: Sort by Forward Citations

1. 4586784 - Modal-insensitive biconical taper couplers (1986-05-06),

2. 4516129 - Waveguide with dielectric coated flange antenna feed (1985-05-07),

3. 4509102 - Voltage controlled current switch with short circuit protection (1985-04-02),

4. 4432071 - Apparatus for fast access to a series of stored images (1984-02-14),

5. 4427700 - Repellent for black fly (1984-01-24),

6. 4405977 - Commutation circuits for thyristor inverters (1983-09-20),

7. 4397301 - Method of controlling a solar system collector loop (1983-08-09),

8. 4376296 - DC-Side commutated inverter (1983-03-08),

9. 4376253 - Timed switch for an AC load (1983-03-08),

10. 4369371 - Broadband high speed optoelectronic semiconductor switch (1983-01-18),

11. 4350879 - Time jitter determining apparatus (1982-09-21),

12. 4341261 - Method of casting elongated members of reactive metals and reactive (1982-07-27),

13. 4340968 - Rare-gas hydrogen-halide excimer laser with hydrogen additive (1982-07-20),

14. 4336435 - Microwave apparatus for heating liquid in a closed plastic container (1982-06-22),

15. 4334779 - Non-contact optical apparatus for measuring the length or speed of a (1982-06-15),

Company Overview

Canadian Patents & Dev. Limited is a prominent entity based in Ottawa, specializing in the development and commercialization of innovative technologies. The organization focuses on various sectors, including intellectual property management and technology transfer, facilitating advancements in fields such as telecommunications, software development, and engineering solutions. With a commitment to fostering innovation, the company plays a vital role in supporting Canadian enterprises and enhancing their competitive edge in the global market.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

24 Patents

#41 in Ottawa

#608 in Canada

#26,701 in the World

Canadian Patents & Dev. Limited

Forward Citations = 424

49 inventors:

Pradeep M Bhagwat (2 out of 23 patents)

Norbert L Kusters (2 out of 5 patents)

Brian S Kawasaki (2 out of 11 patents)

4. Elmer H Hara (2 out of 12 patents)

5. George W Holbrook (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Canadian Patents & Dev. Limited. Retrieved from https://idiyas.com/company/canadian-patents-and-dev

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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