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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),

Company Overview

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 synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

21 Patents

#4 in Regensdorf

#593 in Switzerland

#30,001 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Willi Studer Ag. Retrieved from https://idiyas.com/company/willi-studer-ag

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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