JK

Joachim Kiefer

BG Basf Fuel Cell Gmbh: 21 patents #2 of 49Top 5%
PG Pemeas Gmbh: 3 patents #1 of 13Top 8%
DS Delphi Technologies Holding S.Arl: 2 patents #10 of 79Top 15%
CG Celanese Ventures Gmbh: 1 patents #26 of 50Top 55%
📍 Idstein, DE: #12 of 189 inventorsTop 7%
Overall (All Time): #139,266 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
7285325 Membranes having improved mechanical properties, for use in fuel cells Thomas Soczka-Guth, Frauke Jordt 2007-10-23
7235320 Proton-conducting membrane and use thereof Gordon Calundann, Michael J. Sansone, Oemer Uensal 2007-06-26
7229553 Method for producing a membrane made of bridged polymer and a fuel cell Oemer Uensal 2007-06-12