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Canadian Patents & Dev. Limited

USPTO Granted Patents = 24

Forward Citations = 423

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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 5 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),

Canadian Patents & Dev. Limited is a leading intellectual property firm specializing in patent prosecution, trademark registration, and intellectual property litigation. With over 20 years of experience, we provide expert legal services to clients in various industries. Our team of patent agents and attorneys are dedicated to protecting our clients' innovative ideas and inventions.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

24 Patents

#36 in Ottawa

#559 in Canada

#25,825 in the World

Canadian Patents & Dev. Limited

Forward Citations = 423

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)

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