SJ

Stefan Johansson

AR Abb Research: 3 patents #222 of 1,276Top 20%
AA Abb Technology Ag: 1 patents #211 of 532Top 40%
Overall (All Time): #1,235,616 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8310095 Power compensator and method for providing a black start with that compensator Lennart Angquist, Magnus Callavik, Willy Hermansson, Gunnar Russberg, Jan R. Svensson 2012-11-13
7759910 System for transmission of electric power Sture Lindahl, Kenneth Johansson, Udo Fromm 2010-07-20
7719285 Ground fault detection Marek Fulczyk, Tord Bengtsson, Sture Lindahl, Gabriel Olguin 2010-05-18
7259491 Rotating asynchronous converter Mats Leijon, Thorsten Shütte, Christian Sasse, Udo Fromm 2007-08-21