Growing community of inventors

Feucht, Germany

Norbert Portner

Average Co-Inventor Count = 3.00

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 = 4

Norbert PortnerRainer Heller (2 patents)Norbert PortnerThomas Jachmann (2 patents)Norbert PortnerNorbert Portner (2 patents)Rainer HellerRainer Heller (10 patents)Thomas JachmannThomas Jachmann (9 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Siemens Aktiengesellschaft (2 from 30,045 patents)


2 patents:

1. 7757205 - System for preparing a standard framework for automation appliances

2. 7693972 - Directory service in an automation system

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12/27/2025
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