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USPTO Data Jan 1 1976 - Oct 13 2026
2 Patents
#53 in Oulu
#1,025 in Finland
Tongyu Technology Oy
Forward Citations = 1
3 inventors:
Tongyu Technology Oy
% Expired Patents = 100.0
EPO Patents = 1
Forward Citations = 1
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3 inventors (with patents filed for the assignee):
Janne Penttilä (1 out of 2 patents)
Tero Kämäräinen (1 out of 2 patents)
Erkki O Niiranen (1 out of 13 patents)
4. Erkki Niiranen (0 patent)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tongyu Technology Oy. Retrieved from https://idiyas.com/company/tongyu-technology-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]
1 patent (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]