Pertti Rantala (1 out of 3 patents)
Ville Hakala (1 out of 1 patent)
Simo Aho (1 out of 1 patent)
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USPTO Data Jan 1 1976 - Oct 13 2026
2 Patents
#163 in Espoo
#1,025 in Finland
Sofi Filtration Oy
Forward Citations = 1
3 inventors:
Sofi Filtration Oy
EPO Patents = 2
Forward Citations = 1
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3 inventors (with patents filed for the assignee):
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sofi Filtration Oy. Retrieved from https://idiyas.com/company/sofi-filtration-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]
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]