GD

Gunther Hans Derra

U.S. Philips: 7 patents #535 of 8,851Top 7%
Philips: 4 patents #1,244 of 7,731Top 20%
Koniniklijke Philips N.V.: 1 patents #4,025 of 7,486Top 55%
📍 Grevenbroich, DE: #10 of 155 inventorsTop 7%
Overall (All Time): #421,985 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
8873021 Debris mitigation system with improved gas distribution Thomas Krücken 2014-10-28
7809112 Method and device for generating EUV radiation and/or soft X-ray radiation Rolf Theo Anton Apetz, Willi Neff, Oliver Rosier, Peter Zink 2010-10-05
7732789 Optical system having a cleaning arrangement Peter Zink 2010-06-08
7518300 Method and device for the generation of a plasma through electric discharge in a discharge space Eric Gerardus Theodoor Bosch, Jeroen Jonkers, Willi Neff 2009-04-14
6586892 Method of and device for operating a gas discharge lamp Hanns E. Fischer, Thomas Krücken, Holger Moench, Xaver Riederer 2003-07-01
6380679 Short-arc discharge lamp with a starting antenna Dieter Leers, Klaus Lohn, Martin Ossmann, Johannes Martinus De Regt, Hubertus C. M. Van Den Nieuwenhuizen 2002-04-30
6239556 Long life discharge lamp operating circuit with reduced lamp flicker Hanns E. Fischer, Hans G. Ganser, Thomas Krücken, Holger Moench, Rob Snijkers 2001-05-29
6232725 Circuit arrangement for operating a high-pressure discharge lamp Hanns E. Fischer, Hans G. Ganser, Thomas Krücken, Holger Moench, Rob Snijkers 2001-05-15
5997143 Optical projection devices including a lens plate integrator Holger Monch 1999-12-07
5689156 Circuit arrangement for detecting the amount of deposited electrode material on the wall of a lamp vessel Hanns E. Fischer, Hans G. Ganser, Holger Monch 1997-11-18
5608294 High pressure lamp operating circuit with suppression of lamp flicker Hanns E. Fischer, Hans G. Ganser, Holger Monch 1997-03-04
5262701 Circuit arrangement for operating a high pressure sodium lamp Hans G. Ganser, Hans Peter Stormberg 1993-11-16