% Expired Patents = 33.3

EPO Patents = 1

Forward Citations = 13

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3 inventors (with patents filed for the assignee):

Pekka Salmi (2 out of 8 patents)

Erkki Mykkanen (2 out of 2 patents)

Erkki Mykkänen (1 out of 1 patent)

4. Harri Eronen (3 patents)

5. Kimmo Kahma (0 patent)

6. Erkki MYKKÄNEN (0 patent)

3 patents: Sort by Forward Citations

1. 7150835 - Arrangement and method for collecting oil (2006-12-19),

2. 7112279 - Arrangement and method for collecting oil (2006-09-26),

3. 6592765 - Method and device for collecting oil mixed with ice blocks (2003-07-15),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#197 in Helsinki

#794 in Finland

Helsinki, Finland

Suomen Ymparistokeskus

Forward Citations = 13

3 inventors:

Pekka Salmi (2 out of 8 patents)

Erkki Mykkanen (2 out of 2 patents)

Erkki Mykkänen (1 out of 1 patent)

4. Harri Eronen (3 patents)

5. Kimmo Kahma (0 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Suomen Ymparistokeskus. Retrieved from https://idiyas.com/company/suomen-ymparistokeskus

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]

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]