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For the Inventor, By the Inventor

Kempele, Finland

Lk Products Oy


USPTO Granted Patents = 65

% Expired Patents = 7.7


Forward Citations = 3,231

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47 inventors (with patents filed for the assignee):

goldMedal Aimo Turunen (13 out of 17 patents)

silverMedal Petteri Annamaa (10 out of 55 patents)

bronzeMedal Kimmo A Ervasti (7 out of 8 patents)

4.  Jyrki Mikkola (6 out of 21 patents)

5.  Pauli Nappa (6 out of 6 patents)

6.  Jouni Ala-Kojola (5 out of 9 patents)

7.  Heli Jantunen (5 out of 13 patents)

8.  Erkki O Niiranen (5 out of 13 patents)

9.  Seppo Yrjola (4 out of 4 patents)

10.  Seppo Raatikainen (3 out of 4 patents)

11.  Pertti Puurunen (3 out of 5 patents)

12.  Jari Pelkonen (3 out of 3 patents)

13.  Seppo Ojantakanen (3 out of 3 patents)

14.  Kimmo Koskiniemi (2 out of 22 patents)

15.  Heikki Korva (2 out of 17 patents)


Core Competencies:
Planar Antenna
Multiband Antenna
Radio Device
Dielectric Filter
Resonator Filter
High Frequency Filter
Helix Resonator
Adjustable Antenna
Filter Construction
Transmission Line Resonator
Antenna Structure
Coupling Element

65 patents:

1. 7501983 - Planar antenna structure and radio device (2009-03-10),
2. 7391378 - Antenna element for a radio device (2008-06-24),
3. 7352326 - Multiband planar antenna (2008-04-01),
4. 7340286 - Cover structure for a radio device (2008-03-04),
5. 7136019 - Antenna for flat radio device (2006-11-14),
6. 7126546 - Arrangement for integrating a radio phone structure (2006-10-24),
7. 7099690 - Adjustable multi-band antenna (2006-08-29),
8. 7081857 - Arrangement for connecting additional antenna to radio device (2006-07-25),
9. 6252554 - Antenna structure (2001-06-26),
10. 6215376 - Filter construction and oscillator for frequencies of several gigahertz (2001-04-10),
11. 6185434 - Antenna filtering arrangement for a dual mode radio communication device (2001-02-06),
12. 6157819 - Coupling element for realizing electromagnetic coupling and apparatus (2000-12-05),
13. 6140973 - Simple dual-frequency antenna (2000-10-31),
14. 6078231 - High frequency filter with a dielectric board element to provide (2000-06-20),
15. 6037848 - Electrically regulated filter having a selectable stop band (2000-03-14),
Company Overview
Lk Products Oy, based in Kempele, Finland, specializes in advanced antenna technology, focusing on the development and manufacturing of innovative solutions such as planar and multiband antennas. The company is dedicated to enhancing radio device performance through its expertise in dielectric and resonator filters, as well as high-frequency filters. With a commitment to research and development, Lk Products Oy aims to meet the evolving needs of communication systems, providing reliable and efficient antenna solutions for various applications.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

65 Patents

#2 in Kempele

#56 in Finland

#11,332 in the World

Kempele, FI
Kempele, Finland

Lk Products Oy

Forward Citations = 3,231

47 inventors:

goldMedal Aimo Turunen (13 out of 17 patents)

silverMedal Petteri Annamaa (10 out of 55 patents)

bronzeMedal Kimmo A Ervasti (7 out of 8 patents)

4.  Jyrki Mikkola (6 out of 21 patents)

5.  Pauli Nappa (6 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Lk Products Oy. Retrieved from https://idiyas.com/company/lk-products-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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