% Expired Patents = 57.1

Forward Citations = 239

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5 inventors (with patents filed for the assignee):

Kristian Åsnes (3 out of 9 patents)

Bo Hangkansson (2 out of 2 patents)

Peder Carlsson (2 out of 2 patents)

4. Patrik Westerkull (1 out of 18 patents)

5. Patrick Westerkull (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 7319771 - Vibrator for bone conducted hearing aids (2008-01-15),

2. 7242786 - Vibrator damping (2007-07-10),

3. 7198596 - Coupling device for a two-part bone-anchored hearing aid apparatus (2007-04-03),

4. 7043040 - Hearing aid apparatus (2006-05-09),

5. 6985599 - Vibrator for bone conducted hearing aids (2006-01-10),

6. 5935170 - Disconnection device for implant coupling at hearing aids (1999-08-10),

7. 5735790 - Device in hearing aids (1998-04-07),

Company Overview

P & B Research Ab is a leading market research company specializing in consumer insights and data analytics. With a team of experienced analysts and consultants, we provide valuable information and solutions to help businesses make informed decisions. Our services range from customer surveys and market segmentation to trend analysis and strategic planning. Visit our website to learn more about how we can support your business growth.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

7 Patents

#79 in Gothenburg

#812 in Sweden

Gothenburg, Sweden

P & B Research Ab

Forward Citations = 239

5 inventors:

Kristian Åsnes (3 out of 9 patents)

Bo Hangkansson (2 out of 2 patents)

Peder Carlsson (2 out of 2 patents)

4. Patrik Westerkull (1 out of 18 patents)

5. Patrick Westerkull (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: P & B Research Ab. Retrieved from https://idiyas.com/company/p-and-b-research-ab

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]