Helsinki, Finland

Tvi Vision Oy


USPTO Granted Patents = 2

Trademarks = 1

Forward Citations = 1

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3 inventors (with patents filed for the assignee):

goldMedal Kari Sirén (1 out of 1 patent)

silverMedal Mikko J Ristolainen (1 out of 2 patents)

bronzeMedal Guy Lemström (1 out of 1 patent)


2 patents:

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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#228 in Helsinki

#1,003 in Finland

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Helsinki, Finland
Forward Citations = 1

3 inventors:

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