WH

Walter Heitmann

DA Deutsche Telekom Ag: 7 patents #37 of 773Top 5%
KG Kali-Chemie Pharma Gmbh: 3 patents #34 of 94Top 40%
HQ Heraeus Quarzglas: 1 patents #147 of 287Top 55%
HG Heraeus Quarzschmelze Gmbh: 1 patents #25 of 56Top 45%
IBM: 1 patents #44,794 of 70,183Top 65%
📍 Burgwedel, GA: #1 of 1 inventorsTop 100%
Overall (All Time): #326,502 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
7359605 Photonic crystals 2008-04-15
6975800 Fused silica-based optical waveguide and method for its manufacture Wolfgang Dultz, Karl-Friedrich Klein 2005-12-13
6786991 Method for manufacturing preforms for polymer optical fibers 2004-09-07
6760513 Method using photonic crystals for the dispersion compensation of optical signals of different wavelengths which are transmitted together Hans Koops 2004-07-06
6501894 Plastic optical fiber Wolfgang Dultz, Erich Becker 2002-12-31
6490399 Glass for optical waveguides or the like Karl-Friedrich Klein 2002-12-03
6067396 Physical-contact optical fiber connector 2000-05-23
6041156 Optical connection 2000-03-21
5609666 Process of producing preforms for silica glass optical waveguides while flowing gas through a tubular substrate 1997-03-11
5390266 Optical element Heinrich Stenger 1995-02-14
5324732 Crystalline fumaric acid salts of 9,9-alkylene-3,7-diazabicyclononane compounds and pharmaceutical compositions containing them Uwe Schoen, Uwe Maetzel 1994-06-28
5291514 Heater autotone control apparatus and method David Waters 1994-03-01
5175347 Process for preparing cis-dihydronopol Uwe Maetzel 1992-12-29
4965369 Method for preparing indole carboxylic acid derivatives Uwe Maetzel 1990-10-23
4915474 Transmission line for optical radiation and applications thereof Karl-Friedrich Klein 1990-04-10