Growing community of inventors

Neu-Ulm, Germany

Roland Sawatzki

Average Co-Inventor Count = 2.25

ph-index = 2

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 49

Roland SawatzkiRolf Stiefel (3 patents)Roland SawatzkiUlrich Barth (1 patent)Roland SawatzkiRoland Sawatzki (3 patents)Rolf StiefelRolf Stiefel (3 patents)Ulrich BarthUlrich Barth (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Alcatel (3 from 2,504 patents)


3 patents:

1. 6430279 - Method for the acceptance of calling charges for individual calls as well as telephone network and terminal unit

2. 6208722 - Method of accepting charges in individual connections and a telephone network and terminal

3. 6126069 - Chip card, method and system for using and paying for services

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1/9/2026
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