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USPTO Data Jan 1 1976 - Oct 20 2026
3 Patents
#9 in Sundbyberg
#1,604 in Sweden
Semper Ab
Forward Citations = 26
28 inventors:
Semper Ab
EPO Patents = 2
Forward Citations = 26
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28 inventors (with patents filed for the assignee):
Catharina Tennefors (2 out of 3 patents)
Bo Lönnerdal (1 out of 3 patents)
Lars-Börje Sjöberg (1 out of 2 patents)
4. Olle Hernell (1 out of 9 patents)
5. Ingegerd Sjöholm (1 out of 2 patents)
6. Karin Autio (1 out of 4 patents)
7. Carl Olof Claesson (1 out of 1 patent)
8. Gustaf Lindewald (1 out of 1 patent)
9. Kerstin Fredlund (1 out of 1 patent)
10. Pekka Reinikainen (1 out of 1 patent)
11. Leif Christensen (1 out of 1 patent)
12. Hangkan Almen (1 out of 1 patent)
13. Juhani Olkku (1 out of 1 patent)
14. Inger Ahlden (1 out of 1 patent)
15. Ann-Charlotte Eliasson (1 out of 1 patent)
3 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Semper Ab. Retrieved from https://idiyas.com/company/semper-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]
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]
2 patents (EPO):
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]