AK

Albert Kreh

VG Vistec Semiconductor Systems Gmbh: 9 patents #3 of 55Top 6%
DA Danaher: 3 patents #661 of 2,950Top 25%
KG Kla-Tencor Mie Gmbh: 1 patents #3 of 24Top 15%
📍 Solms, DE: #3 of 110 inventorsTop 3%
Overall (All Time): #385,230 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
8451440 Apparatus for the optical inspection of wafers Kurt Hahn, Roland Hedrich, Gerhard Hoppen, Lambert Danner, Wolfgang Vollrath +4 more 2013-05-28
7602481 Method and apparatus for inspecting a surface 2009-10-13
7460219 Method for optically inspecting a wafer by sequentially illuminating with bright and dark field light beams wherein the images from the bright and dark field illuminated regions are spatially offset Paul-Gottfried Jung, Henning Backhauss 2008-12-02
7424393 Wafer inspection device Michael Halama, Guenter Schmidt 2008-09-09
7327450 Apparatus for inspection of a wafer Henning Backhauss 2008-02-05
7307713 Apparatus and method for inspection of a wafer Henning Backhauss 2007-12-11
7292328 Method for inspection of a wafer Henning Backhauss, Detlef Michelsson 2007-11-06
7265823 System for the detection of macrodefects Henning Backhauss, Rene Schenck 2007-09-04
7248354 Apparatus for inspection of a wafer Henning Backhauss 2007-07-24
7224446 Apparatus, method, and computer program for wafer inspection Henning Backhauss 2007-05-29
7180585 Apparatus for wafer inspection Henning Backhauss 2007-02-20
6875972 Autofocus module for microscope-based systems 2005-04-05
6812446 Autofocus module for microscope-based systems 2004-11-02