Inventor
HEITMANN WALTER
DE15 patents
⚠️ This page may combine multiple inventors who share the name “HEITMANN WALTER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DEUTSCHE TELEKOM AG
6 patentsUS6067396AMay 23, 2000
Physical-contact optical fiber connector
DEUTSCHE TELEKOM AG11 citations73
US6041156AMar 21, 2000
Optical connection
DEUTSCHE TELEKOM AG7 citations73
US7359605B2Apr 15, 2008
Photonic crystals
DEUTSCHE TELEKOM AG4 citations62
US6760513B1Jul 6, 2004
Method using photonic crystals for the dispersion compensation of optical signals of different wavelengths which are transmitted together
DEUTSCHE TELEKOM AG6 citations62
US6975800B2Dec 13, 2005
Fused silica-based optical waveguide and method for its manufacture
DEUTSCHE TELEKOM AG2 citations61
US6786991B1Sep 7, 2004
Method for manufacturing preforms for polymer optical fibers
DEUTSCHE TELEKOM AG0 citations51
KALI CHEMIE PHARMA GMBH
3 patentsUS5324732AJun 28, 1994
Crystalline fumaric acid salts of 9,9-alkylene-3,7-diazabicyclononane compounds and pharmaceutical compositions containing them
KALI CHEMIE PHARMA GMBH9 citations71
US4965369AOct 23, 1990
Method for preparing indole carboxylic acid derivatives
KALI CHEMIE PHARMA GMBH15 citations70
US5175347ADec 29, 1992
Process for preparing cis-dihydronopol
KALI CHEMIE PHARMA GMBH0 citations48