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USPTO Data Jan 1 1976 - Oct 20 2026
3 Patents
#6 in Pirkkala
#796 in Finland
Black Donuts Oy
Forward Citations = 1
4 inventors:
Black Donuts Oy
Forward Citations = 1
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4 inventors (with patents filed for the assignee):
Henri Sakari Kossi (3 out of 48 patents)
Mikko Valtteri Sironen (1 out of 15 patents)
Marko Christer Johannes Ylitolva (1 out of 13 patents)
4. Mikko Tapani Väänänen (1 out of 12 patents)
3 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Black Donuts Oy. Retrieved from https://idiyas.com/company/black-donuts-oy
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]
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]