CK

Charles S. Koehler

TA Tessera North America: 4 patents #6 of 13Top 50%
DI Digitaloptics: 2 patents #35 of 112Top 35%
DE Digitaloptics Corporation East: 1 patents #13 of 27Top 50%
FS Flir Systems: 1 patents #214 of 411Top 55%
📍 Charlotte, NC: #531 of 4,868 inventorsTop 15%
🗺 North Carolina: #6,564 of 45,564 inventorsTop 15%
Overall (All Time): #650,841 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
8821035 Optical element and system using the same Alan D. Kathman, William Hudson Welch, Eric G. Johnson, Robert D. Tekolste 2014-09-02
8529139 Optical element and system using the same Alan D. Kathman, William Hudson Welch, Eric G. Johnson, Robert D. Tekolste 2013-09-10
7769258 Optical element and system using the same Alan D. Kathman, William Hudson Welch, Eric G. Johnson, Robert D. Tekolste 2010-08-03
7529446 Optical element and system using the same Alan D. Kathman, William Hudson Welch, Eric G. Johnson, Robert D. Tekolste 2009-05-05
7343069 Optical element and system using the same Alan D. Kathman, William Hudson Welch, Eric G. Johnson, Robert D. Tekolste 2008-03-11
7266270 Waveguide to waveguide monitor James E. Morris, Alan D. Kathman, Hongtao Han, Michael R. Feldman 2007-09-04
7221823 Fiber coupler, system and associated methods for reducing back reflections Alan D. Kathman, William Hudson Welch, Eric G. Johnson, Robert D. Tekolste 2007-05-22
6496621 Fiber coupler system and associated methods for reducing back reflections Alan D. Kathman, William Hudson Welch, Eric G. Johnson, Robert D. Tekolste 2002-12-17