Erwin Berger (2 out of 5 patents)
Youri G Popowski (2 out of 16 patents)
Youri Popowski (0 patent)
Company Badge
USPTO Data Jan 1 1976 - Oct 27 2026
2 Patents
#43 in Winterthur
#3,078 in Switzerland
Acrostak Corp.
Forward Citations = 2
2 inventors:
Acrostak Corp.
Calculating rank
% Expired Patents = 50.0
EPO Patents = 2
Forward Citations = 2
Loading Chart...
Loading Chart...
2 inventors (with patents filed for the assignee):
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Acrostak Corp.. Retrieved from https://idiyas.com/company/acrostak
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]