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Kitchener, Canada

Electrohome Limited

USPTO Granted Patents = 27

Trademarks = 2

Forward Citations = 267

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26 inventors (with patents filed for the assignee):

Francois G Desjardins (4 out of 4 patents)

Terrence Carl Schmidt (3 out of 5 patents)

Steven M Jarrett (2 out of 8 patents)

4. Terrance C Schmidt (2 out of 2 patents)

5. Alen Koebel (1 out of 2 patents)

6. Russell E Tavernetti (1 out of 13 patents)

7. Richard Harold Johnson (1 out of 11 patents)

8. Robert E McMurray, Jr (1 out of 1 patent)

9. Alan Koebel (1 out of 1 patent)

10. Gregory P Hartman (1 out of 1 patent)

11. John William Bowron (1 out of 1 patent)

12. John D Lovely (1 out of 1 patent)

13. Arthur Richard Ott (1 out of 1 patent)

14. Edmund J Lehmann (1 out of 1 patent)

15. John Joseph Sennik (1 out of 1 patent)

Core Competencies:

Optical Resizing

Video Convergence

Ambient Light Sensor

Liquid Crystal Valve

Color Temperature Correction

Video Amplifier

Dynamoelectric Machine

Dynamic Hue Control

Loudspeaker Protection

Modular Furniture

Silicone Rubber Molds

Switched Band-Oscillator

27 patents: Sort by Forward Citations

1. 5860721 - Optical resizing apparatus (1999-01-19),

2. 5332953 - Power saving circuit for magnetic focus amplifier using switchable (1994-07-26),

3. 5258830 - Automatic video convergence system (1993-11-02),

4. 5065076 - Digital convergence system (1991-11-12),

5. 4982081 - Ambient light rejecting quad photodiode sensor (1991-01-01),

6. 4973890 - Cascode mirror video amplifier (1990-11-27),

7. 4925276 - Liquid crystal light valve utilizing hydrogenated amorphous silicon (1990-05-15),

8. 4868668 - System and method for image adjustment in an optical projection system (1989-09-19),

9. 4827334 - Optical system and method for image sampling in a video projection system (1989-05-02),

10. 4701788 - Color temperature correction of color video projectors (1987-10-20),

11. 4680555 - Wide frequency range, switched band-oscillator (1987-07-14),

12. 4679211 - Regulation of picture size with varying scan frequency (1987-07-07),

13. 4607280 - Video projector with mounting assembly enabling longitudinal axes of (1986-08-19),

14. 4510432 - Generation of vectors (1985-04-09),

15. 4414574 - Video amplifier with blank stretching (1983-11-08),

Electrohome Limited, based in Kitchener, Canada, specializes in the design and manufacturing of innovative consumer electronics. The company is recognized for its expertise in audio and visual technology, producing high-quality products that enhance entertainment experiences. With a focus on integrating modern technology into traditional formats, Electrohome continues to evolve its offerings, catering to a diverse market that values both performance and aesthetic appeal.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

27 Patents

#7 in Kitchener

#528 in Canada

#23,968 in the World

Kitchener, Canada

Electrohome Limited

Forward Citations = 267

26 inventors:

Francois G Desjardins (4 out of 4 patents)

Terrence Carl Schmidt (3 out of 5 patents)

Steven M Jarrett (2 out of 8 patents)

4. Terrance C Schmidt (2 out of 2 patents)

5. Alen Koebel (1 out of 2 patents)

Please report any incorrect information to [email protected]

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