% Expired Patents = 11.1

EPO Patents = 1

Trademarks = 2

Forward Citations = 87

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10 inventors (with patents filed for the assignee):

Heikki Räisänen (5 out of 8 patents)

Timo Aittokoski (4 out of 4 patents)

Tomi Virtanen (3 out of 3 patents)

4. Anu Suomalainen (2 out of 2 patents)

5. Jouni Mitjonen (2 out of 2 patents)

6. Jukka Ranta (2 out of 2 patents)

7. Mikko Alasaukko-oja (2 out of 2 patents)

8. Heikki Raisanen (1 out of 8 patents)

9. Mikko Ryytty (1 out of 3 patents)

10. Matti Leo Kokkonen (1 out of 3 patents)

9 patents: Sort by Forward Citations

1. 12364407 - Heart rate monitoring device, system, and method for increasing performance improvement efficiency (2025-07-22),

2. 12354747 - Wearable sensor and healthcare management system using a wearable sensor (2025-07-08),

3. 11908576 - Wearable sensor and healthcare management system using a wearable sensor (2024-02-20),

4. D940331 - Sensor relay (2022-01-04),

5. D940330 - Body sensor (2022-01-04),

6. 11013424 - Heart rate monitoring device, system, and method for increasing performance improvement efficiency (2021-05-25),

7. D807512 - Sleep monitor (2018-01-09),

8. 7808395 - Occupancy detecting method and system (2010-10-05),

9. D598012 - Housing for electronic communication devices (2009-08-11),

Company Overview

Emfit Oy is a Finnish company specializing in developing and manufacturing cutting-edge sensor technology solutions for health, sports, and wellbeing applications. Their flagship product, Emfit QS, is a contactless sleep tracker designed to monitor and analyze sleep quality, heart rate variability, and other vital data during sleep. Emfit Oy strives to improve the quality of life through innovative technology and data-driven solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

9 Patents

#1 in Vaajakoski

#326 in Finland

Vaajakoski, Finland

Emfit Oy

Forward Citations = 87

10 inventors:

Heikki Räisänen (5 out of 8 patents)

Timo Aittokoski (4 out of 4 patents)

Tomi Virtanen (3 out of 3 patents)

4. Anu Suomalainen (2 out of 2 patents)

5. Jouni Mitjonen (2 out of 2 patents)

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