Inventor
ZIEMANN OLAF
DE7 patents
⚠️ This page may combine multiple inventors who share the name “ZIEMANN OLAF”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DEUTSCHE TELEKOM AG
3 patentsUS5933553AAug 3, 1999
Arrangement for transmitting and receiving optical signals
DEUTSCHE TELEKOM AG10 citations70
US6527985B1Mar 4, 2003
Method for producing gradient index refraction index profiles in polymer optical fibers
DEUTSCHE TELEKOM AG7 citations67
US6634809B1Oct 21, 2003
Method for optically transmitting signalling and control information in optical wavelength multiplex networks
DEUTSCHE TELEKOM AG5 citations53