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Exfo Oy

USPTO Granted Patents = 15

% Expired Patents = 13.3

EPO Patents = 13

Forward Citations = 28

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26 inventors (with patents filed for the assignee):

Jukka Kemppainen (6 out of 6 patents)

Juha Kumpula (4 out of 5 patents)

Jorma Ikäheimo (3 out of 7 patents)

4. Taisto Niiranen (3 out of 3 patents)

5. Juha Olavi Lehtikangas (3 out of 4 patents)

6. Sakari Yrttiaho (2 out of 2 patents)

7. Timo Ainali (2 out of 2 patents)

8. Jukka Lotvonen (2 out of 2 patents)

9. Janne Pauna (2 out of 3 patents)

10. Hannu Toppinen (1 out of 1 patent)

11. Vesa Kyllönen (1 out of 1 patent)

12. Gang He (1 out of 26 patents)

13. Tuure Mäkelä (1 out of 1 patent)

14. Daniel Gariepy (1 out of 15 patents)

15. Kamal Bhambhani (1 out of 1 patent)

15 patents: Sort by Forward Citations

1. 12532158 - Systems and methods for associating SUPI and SUCI in 5G networks (2026-01-20),

2. 12520252 - Ad hoc radio base station, method and computer program (2026-01-06),

3. 12457488 - Method and apparatus for identity collection (2025-10-28),

4. 12402194 - Ad hoc radio base station (2025-08-26),

5. 11501398 - Interception of mobile apparatus (2022-11-15),

6. 11240808 - Method and arrangement for identity collection (2022-02-01),

7. 11088759 - Extracting data traffic from an optical communication fiber (2021-08-10),

8. 10863353 - Method and arrangement for detecting subscriber identity (2020-12-08),

9. 10820206 - Method and fake base station for detecting subscriber identity (2020-10-27),

10. 10638324 - Method and fake base station for detecting subscriber identity (2020-04-28),

11. 9479406 - Displaying signal flows in network analysis tool (2016-10-25),

12. 9167456 - Subscriber terminal identification (2015-10-20),

13. 8737355 - Taking control of subscriber terminal (2014-05-27),

14. 8457643 - Taking control of subscriber terminal (2013-06-04),

15. 8351900 - Man-in-the-middle detector and a method using it (2013-01-08),

Exfo Oy, based in Oulu, Finland, specializes in advanced testing, monitoring, and analytics solutions for telecommunications networks. The company focuses on enhancing network performance and reliability through innovative technologies that support both fixed and mobile infrastructures. With a strong emphasis on research and development, Exfo Oy is dedicated to driving advancements in optical and wireless communication, ensuring that service providers can meet the growing demands of connectivity in an increasingly digital world.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

15 Patents

#5 in Oulu

#219 in Finland

#39,880 in the World

Exfo Oy

Forward Citations = 28

26 inventors:

Jukka Kemppainen (6 out of 6 patents)

Juha Kumpula (4 out of 5 patents)

Jorma Ikäheimo (3 out of 7 patents)

4. Taisto Niiranen (3 out of 3 patents)

5. Juha Olavi Lehtikangas (3 out of 4 patents)

Please report any incorrect information to [email protected]

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