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For the Inventor, By the Inventor

Täby, Sweden

Zedna Ab


USPTO Granted Patents = 2

% Expired Patents = 50.0


Forward Citations = 1

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3 inventors (with patents filed for the assignee):

goldMedal Göran Stemme (2 out of 27 patents)

silverMedal Valentin Dubois (2 out of 2 patents)

bronzeMedal Frank Niklaus (2 out of 8 patents)


2 patents:

1. 11442026 - Crack structure and tunneling device with a layer exhibiting a crack-defined gap between two cantilevering parts (2022-09-13),
2. 10782249 - Crack structures, tunneling junctions using crack structures and methods of making same (2020-09-22),
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USPTO Data Jan 1 1976 - Oct 13 2026

2 Patents

#25 in Täby

#2,183 in Sweden

Täby, SE
Täby, Sweden

Zedna Ab

Forward Citations = 1

3 inventors:

goldMedal Göran Stemme (2 out of 27 patents)

silverMedal Valentin Dubois (2 out of 2 patents)

bronzeMedal Frank Niklaus (2 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Zedna Ab. Retrieved from https://idiyas.com/company/zedna-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]
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