logo

For the Inventor, By the Inventor

Roskilde, Denmark

Sonion Tech A/s


USPTO Granted Patents = 2

Forward Citations = 108

Loading Chart...
Loading Chart...

4 inventors (with patents filed for the assignee):

goldMedal Claus Erdmann Fürst (1 out of 42 patents)

silverMedal Tomasz Marczak (1 out of 1 patent)

bronzeMedal Michael Deruginsky (1 out of 1 patent)

4.  Soren Ravnkilde (1 out of 1 patent)


2 patents:

1. 6888408 - Preamplifier for two terminal electret condenser microphones (2005-05-03),
2. 6555768 - 3D roller key (2003-04-29),
logo

Company Badge

USPTO Data Jan 1 1976 - Sep 22 2026

2 Patents

#25 in Roskilde

#919 in Denmark

Roskilde, DK
Roskilde, Denmark

Sonion Tech A/s

Forward Citations = 108

4 inventors:

goldMedal Claus Erdmann Fürst (1 out of 42 patents)

silverMedal Tomasz Marczak (1 out of 1 patent)

bronzeMedal Michael Deruginsky (1 out of 1 patent)

4.  Soren Ravnkilde (1 out of 1 patent)

Please report any incorrect information to [email protected]
Loading…