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Tongyu Technology Oy

USPTO Granted Patents = 2

EPO Patents = 1

Forward Citations = 1

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4 inventors (with patents filed for the assignee):

Janne Penttilä (1 out of 2 patents)

Tero Kämäräinen (1 out of 2 patents)

Erkki O Niiranen (1 out of 13 patents)

4. Erkki Niiranen (0 patent)

2 patents: Sort by Forward Citations

1. 10720687 - Radio frequency filter (2020-07-21),

2. 10056666 - Tuning element for radio frequency resonator (2018-08-21),

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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#51 in Oulu

#1,004 in Finland

Tongyu Technology Oy

Forward Citations = 1

4 inventors:

Janne Penttilä (1 out of 2 patents)

Tero Kämäräinen (1 out of 2 patents)

Erkki O Niiranen (1 out of 13 patents)

4. Erkki Niiranen (0 patent)

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