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For the Inventor, By the Inventor

Lappeenranta, Finland

The Switch Drive Systems Oy


USPTO Granted Patents = 10

% Expired Patents = 50.0


Forward Citations = 17

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24 inventors (with patents filed for the assignee):

goldMedal Panu Kurronen (4 out of 5 patents)

silverMedal Jorma Mustalahti (3 out of 116 patents)

bronzeMedal Tuomas Vuolle-Apiala (3 out of 5 patents)

4.  Ville Pakarinen (3 out of 4 patents)

5.  Jorma Tirkkonen (3 out of 6 patents)

6.  Jari Toikkanen (3 out of 6 patents)

7.  Olli Liukkonen (3 out of 4 patents)

8.  Ilkka Martikainen (3 out of 4 patents)

9.  Tuomas Akseli Pihlaja (1 out of 1 patent)

10.  Juha Pyrhönen (1 out of 18 patents)

11.  Markus Silventoinen (1 out of 1 patent)

12.  Jussi Puranen (1 out of 1 patent)

13.  Heikki Sallinen (1 out of 2 patents)

14.  Samuli Kallio (1 out of 3 patents)

15.  Tomi Knuutila (1 out of 1 patent)


10 patents:

1. 11502589 - Rotor of an induction machine and a method for assembling a cage winding of the rotor (2022-11-15),
2. 11251667 - Permanent magnet modules for an electric machine having axially and circumferentially offset permanent magnet elements, a rotor, permanent magnet electric machine, and a method for assembling thereof (2022-02-15),
3. 10374500 - Permanent magnet machine (2019-08-06),
4. 9525320 - Electromechanical device with included gear stages and internal lubrication system (2016-12-20),
5. 9464691 - Electromechanical device (2016-10-11),
6. 9444386 - Method and an apparatus for controlling an electrical machine with two or more multiphase stator windings (2016-09-13),
7. 8841815 - Electrical machine with guide bars for facilitating assembly and a method for assembling the electrical machine (2014-09-23),
8. 8829919 - Method and system for monitoring the condition of capacitors in a DC-voltage intermediate circuit (2014-09-09),
9. 8598760 - Permanent magnet module for an electrical machine (2013-12-03),
10. 8193889 - Filter appliance for a multiphase electrical converter device (2012-06-05),
Company Overview
The Switch Drive Systems Oy, based in Lappeenranta, Finland, specializes in advanced drive systems and power electronics for various applications. The company focuses on developing innovative solutions that enhance energy efficiency and performance in industrial and renewable energy sectors. With a commitment to research and development, The Switch integrates cutting-edge technology to support the transition towards sustainable energy systems, contributing to the global movement for cleaner and more efficient power generation.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

10 Patents

#3 in Lappeenranta

#294 in Finland

#56,047 in the World

Lappeenranta, FI
Lappeenranta, Finland

The Switch Drive Systems Oy

Forward Citations = 17

24 inventors:

goldMedal Panu Kurronen (4 out of 5 patents)

silverMedal Jorma Mustalahti (3 out of 116 patents)

bronzeMedal Tuomas Vuolle-Apiala (3 out of 5 patents)

4.  Ville Pakarinen (3 out of 4 patents)

5.  Jorma Tirkkonen (3 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: The Switch Drive Systems Oy. Retrieved from https://idiyas.com/company/switch-drive-systems-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]
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