JK

Johannes Jan Kardol

KN Koninklijke Kpn N.V.: 2 patents #80 of 298Top 30%
📍 Delft, NL: #342 of 1,192 inventorsTop 30%
Overall (All Time): #2,143,017 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7397912 Communication system employing a personal assistant server and a personal assistant terminal Jannes Aasman, Robertus Johannes Nicolaas Kalberg 2008-07-08
7328005 Information storage system Jannes Aasman, Robertus Johannes Nicolaas Kalberg 2008-02-05