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Regensdorf, Switzerland

Willi Studer Ag

USPTO Granted Patents = 21

Forward Citations = 211

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21 inventors (with patents filed for the assignee):

Roger Lagadec (11 out of 13 patents)

Paul Zwicky (4 out of 9 patents)

Guy W McNally (4 out of 4 patents)

4. Philip S Gaskell (3 out of 3 patents)

5. Daniele P Pelloni (3 out of 4 patents)

6. Toshitada Doi (2 out of 24 patents)

7. Julien Piot (2 out of 2 patents)

8. Claudia Brandes (2 out of 4 patents)

9. Kurt Heinz (1 out of 12 patents)

10. Julien Piot (1 out of 31 patents)

11. Marco Nai (1 out of 1 patent)

12. Alex Ruegg (1 out of 1 patent)

13. Johann J Schmid (1 out of 4 patents)

14. Matthias Zbinden (1 out of 1 patent)

15. Arturo E Stosberg (1 out of 1 patent)

21 patents: Sort by Forward Citations

1. 5134041 - Magnetic storage medium containing at least two different populations of (1992-07-28),

2. 4980921 - Magnetic system for dynamic loudspeaker (1990-12-25),

3. 4935823 - Method of, and apparatus for, identifying a predetermined location (1990-06-19),

4. 4908771 - Method of, and apparatus for, processing distorted pulsed signals (1990-03-13),

5. 4849837 - Method of, and apparatus for, recording audio signals using recording (1989-07-18),

6. 4847702 - Method and apparatus for converting a binary signal (1989-07-11),

7. 4825398 - Method and apparatus for converting an input scanning sequence into an (1989-04-25),

8. 4821298 - Method and apparatus for reproducing digitized signals (1989-04-11),

9. 4818923 - Method of, and apparatus for, regulating the rotational speed of an (1989-04-04),

10. 4780892 - Scanning frequency synchronization method and apparatus (1988-10-25),

11. 4709278 - Method and apparatus for producing and selectively equalizing a temporal (1987-11-24),

12. 4700712 - Method for determining the starting point and the end point of closed (1987-10-20),

13. 4672527 - Method and apparatus for supplying a system for processing electrical (1987-06-09),

14. 4644546 - Method of digital signal transmission (1987-02-17),

15. 4622598 - Method of recording odd and even words of one channel PCM signals in (1986-11-11),

Willi Studer AG is a Swiss company based in Regensdorf, specializing in high-precision electronic devices and systems. The organization is renowned for its expertise in developing advanced audio and video technology, particularly in the fields of broadcasting and professional audio equipment. With a strong emphasis on innovation, Willi Studer AG focuses on delivering high-quality solutions that meet the evolving needs of the media and entertainment industries, contributing significantly to the technological landscape in Switzerland and beyond.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

21 Patents

#4 in Regensdorf

#591 in Switzerland

#29,893 in the World

Regensdorf, Switzerland

Willi Studer Ag

Forward Citations = 211

21 inventors:

Roger Lagadec (11 out of 13 patents)

Paul Zwicky (4 out of 9 patents)

Guy W McNally (4 out of 4 patents)

4. Philip S Gaskell (3 out of 3 patents)

5. Daniele P Pelloni (3 out of 4 patents)

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