Trademarks = 1

Forward Citations = 111

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10 inventors (with patents filed for the assignee):

Burkhard Markmann (2 out of 2 patents)

Volker Bartels (2 out of 2 patents)

Klaus Willemsen (1 out of 2 patents)

4. Axel Haupt (1 out of 6 patents)

5. Wolfgang Zum Berge (1 out of 1 patent)

6. Wolfgang Kuehnel (1 out of 1 patent)

7. Vladimir Gorelik (1 out of 1 patent)

8. Ernst Schutter (1 out of 1 patent)

9. Karl-Hermann Delibruegge (1 out of 1 patent)

10. Egon F Warnke (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 6122383 - Device for reducing noise (2000-09-19),

2. 5949897 - Sound reproduction device with active noise compensation (1999-09-07),

3. 5809156 - Sound reproduction device with active noise compensation (1998-09-15),

4. 5596603 - Device for wireless transmission of digital data, in particular of audio (1997-01-21),

5. 5471437 - Electrodynamic acoustic transducer (1995-11-28),

6. 4922471 - Capacitive sound transducer (1990-05-01),

7. 4633498 - Infrared headphones for the hearing impaired (1986-12-30),

Company Overview

Sennheiser Electronic KG is a German company specializing in the design and production of audio equipment. Founded in 1945, Sennheiser is known for its high-quality headphones, microphones, and wireless systems. The company serves a wide range of industries including music, broadcast, and entertainment.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

7 Patents

#3 in Wedemark

#4,861 in Germany

Wedemark, Germany

Sennheiser Electronic Kg

Forward Citations = 111

10 inventors:

Burkhard Markmann (2 out of 2 patents)

Volker Bartels (2 out of 2 patents)

Klaus Willemsen (1 out of 2 patents)

4. Axel Haupt (1 out of 6 patents)

5. Wolfgang Zum Berge (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sennheiser Electronic Kg. Retrieved from https://idiyas.com/company/sennheiser-electronic-kg

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]