Reinhard Johannsen

Follow

Person

Taufkirchen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Transparent fiber-optic communication network
- Patent number 6,768,870
- Issue date Jul 27, 2004
- Siemens Aktiengesellschaft
- Reinhard Johannsen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for monitoring the operation of optical fibers
- Patent number 6,731,872
- Issue date May 4, 2004
- Siemens Aktiengesellschaft
- Hubert Jaeger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE