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For the Inventor, By the Inventor

Zurich, Switzerland

Dsp Group Switzerland Ag

Calculating rank
USPTO Granted Patents = 10

% Expired Patents = 70.0


Forward Citations = 23

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20 inventors (with patents filed for the assignee):

goldMedal Fabrizio Campanale (2 out of 2 patents)

silverMedal Gijs Van Steenwijk (2 out of 2 patents)

bronzeMedal Christopher Stobart (1 out of 6 patents)

4.  Hermanus Johannes Effing (1 out of 13 patents)

5.  Otmar Rengert (1 out of 6 patents)

6.  Martin Haeusler (1 out of 1 patent)

7.  Stephan Jo Cecile Henri Theeuwen (1 out of 5 patents)

8.  Thomas Christian Roedle (1 out of 3 patents)

9.  Petra Christina Anna Hammes (1 out of 3 patents)

10.  Radjindrepersad Gajadharsing (1 out of 7 patents)

11.  Martin Häusler (1 out of 1 patent)

12.  Guillaume De Cremoux (1 out of 4 patents)

13.  Lukas Haener (1 out of 1 patent)

14.  Juerg Fries (1 out of 1 patent)

15.  Henricus Petronella Maria Derckx (1 out of 1 patent)


10 patents:

1. 8787301 - Method and device for interference mitigation using redundant transmission in separate ISM bands (2014-07-22),
2. 7948928 - Cordless telephone system (2011-05-24),
3. 7652316 - Semiconductor transistor (DMOS) device for use as a power amplifier (2010-01-26),
4. 7536509 - Method for fetching data from a non-volatile memory in an integrated circuit and corresponding integrated circuit (2009-05-19),
5. 7535208 - Capacitive feedback circuit (2009-05-19),
6. 7526302 - Method of synchronizing a mobile station with a base station (2009-04-28),
7. 7479741 - Method and device for supplying power to LEDs (2009-01-20),
8. 7466114 - Voltage converter (2008-12-16),
9. 7420409 - Phase locked loop demodulator with gain control (2008-09-02),
10. 7389384 - Apparatus and method for fetching data from memory (2008-06-17),
Company Overview
Dsp Group Switzerland AG is a technology company based in Zurich, specializing in advanced digital signal processing solutions. The organization focuses on developing innovative audio and voice processing technologies that enhance communication and multimedia experiences across various devices. With a strong emphasis on research and development, Dsp Group operates in sectors such as consumer electronics, telecommunications, and automotive, contributing to the evolution of smart and connected products in the global market.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 3 2026

10 Patents

#70 in Zurich

#1,046 in Switzerland

#56,169 in the World

Zurich, CH
Zurich, Switzerland

Dsp Group Switzerland Ag

Forward Citations = 23

20 inventors:

goldMedal Fabrizio Campanale (2 out of 2 patents)

silverMedal Gijs Van Steenwijk (2 out of 2 patents)

bronzeMedal Christopher Stobart (1 out of 6 patents)

4.  Hermanus Johannes Effing (1 out of 13 patents)

5.  Otmar Rengert (1 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Dsp Group Switzerland Ag. Retrieved from https://idiyas.com/company/dsp-group-switzerland-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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