% Expired Patents = 16.7

EPO Patents = 1

Trademarks = 1

Forward Citations = 63

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6 inventors (with patents filed for the assignee):

Heikki Raisanen (3 out of 8 patents)

Heikki Räisänen (2 out of 3 patents)

Kari Kirjavainen (1 out of 44 patents)

4. Keijo Korhonen (1 out of 1 patent)

5. Jyrki Kroger (1 out of 1 patent)

6. Lasse Raisanen (1 out of 3 patents)

6 patents: Sort by Forward Citations

1. 7954385 - Method and system for using a sensor element for identifying an object (2011-06-07),

2. 7685696 - Method of manufacturing an electromechanical sensor element (2010-03-30),

3. 7216417 - Method for manufacturing an electromechanical sensor element (2007-05-15),

4. 6996891 - Method for the manufacture of a sensor element (2006-02-14),

5. 6916979 - Electromechanical transducer and method for manufacturing an electromechanical transducer (2005-07-12),

6. 6852402 - Dielectric cellular electret film and procedure for its manufacture (2005-02-08),

Company Overview

EMFITECH Oy is a technology company providing innovative solutions in the fields of electromagnetic compatibility testing and electronic product development. With expertise in EMC testing, RF design, and antenna solutions, EMFITECH helps clients ensure their products meet international standards for electromagnetic compatibility.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

6 Patents

#4 in Vaajakoski

#461 in Finland

Vaajakoski, Finland

Emfitech Oy

Forward Citations = 63

6 inventors:

Heikki Raisanen (3 out of 8 patents)

Heikki Räisänen (2 out of 3 patents)

Kari Kirjavainen (1 out of 44 patents)

4. Keijo Korhonen (1 out of 1 patent)

5. Jyrki Kroger (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Emfitech Oy. Retrieved from https://idiyas.com/company/emfitech-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]

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]