Diaphon Development Ab

Calculating rank

USPTO Granted Patents = 3

Forward Citations = 102

Loading Chart...

2 inventors (with patents filed for the assignee):

Rolf C Rising (2 out of 3 patents)

Stephan E Mangold (1 out of 3 patents)

3 patents: Sort by Forward Citations

1. 4989251 - Hearing aid programming interface and method (1991-01-29),

2. 4961230 - Hearing aid programming interface (1990-10-02),

3. 4827524 - Magnetic attachment apparatus for ear-level microphone (1989-05-02),

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

3 Patents

#25 in Molndal

#1,605 in Sweden

Molndal, Sweden

Diaphon Development Ab

Forward Citations = 102

2 inventors:

Rolf C Rising (2 out of 3 patents)

Stephan E Mangold (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Diaphon Development Ab. Retrieved from https://idiyas.com/company/diaphon-development-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]