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For the Inventor, By the Inventor

Oulu, Finland

Exfo Oy

Calculating rank
USPTO Granted Patents = 15

% Expired Patents = 13.3


Forward Citations = 28

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26 inventors (with patents filed for the assignee):

goldMedal Jukka Kemppainen (6 out of 6 patents)

silverMedal Juha Kumpula (4 out of 5 patents)

bronzeMedal 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:

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),
Company Overview
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 synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 10 2026

15 Patents

#5 in Oulu

#220 in Finland

#40,063 in the World

Oulu, FI
Oulu, Finland

Exfo Oy

Forward Citations = 28

26 inventors:

goldMedal Jukka Kemppainen (6 out of 6 patents)

silverMedal Juha Kumpula (4 out of 5 patents)

bronzeMedal Jorma Ikäheimo (3 out of 7 patents)

4.  Taisto Niiranen (3 out of 3 patents)

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

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