% Expired Patents = 16.7

Forward Citations = 79

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4 inventors (with patents filed for the assignee):

Kaj Borge Hansen (2 out of 5 patents)

Kaj Børge Hansen (2 out of 2 patents)

Morten Kjeldsen Andersen (1 out of 14 patents)

4. Kaj Bo Hansen (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 6728386 - Electro-acoustic communications unit (2004-04-27),

2. 6344704 - Electrical miniature motor (2002-02-05),

3. 6239393 - Contact device and a tool for handling it (2001-05-29),

4. 5905805 - Electrodynamic transducer (1999-05-18),

5. D333468 - Transducer (1993-02-23),

6. 5155773 - Electrodynamic transducer including inset (1992-10-13),

Company Overview

Kirk Acoustics A/S is a leading provider of high-quality audio products and solutions. With a strong focus on innovation and customer satisfaction, we offer a wide range of premium speakers, amplifiers, and sound systems for both residential and commercial use. Our expert team of engineers and designers is dedicated to delivering superior sound quality and performance. Visit our website to learn more about our products and services.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

6 Patents

#6 in Horsens

#412 in Denmark

Horsens, Denmark

Kirk Acoustics A/s

Forward Citations = 79

4 inventors:

Kaj Borge Hansen (2 out of 5 patents)

Kaj Børge Hansen (2 out of 2 patents)

Morten Kjeldsen Andersen (1 out of 14 patents)

4. Kaj Bo Hansen (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kirk Acoustics A/s. Retrieved from https://idiyas.com/company/kirk-acoustics-a-s

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]