Growing community of inventors

Zirndorf, Germany

Norbert Felgenhauer

Average Co-Inventor Count = 3.00

ph-index = 1

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 = 10

Norbert Felgenhauer ↔ Peter Dziemballa (1 patent)Norbert Felgenhauer ↔ Wolfgang Gorlich (1 patent)Norbert FelgenhauerNorbert Felgenhauer (1 patent)Peter DziemballaPeter Dziemballa (1 patent)Wolfgang GorlichWolfgang Gorlich (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Geobra Brandstatter Gmbh & Co Kg (1 from 10 patents)


1 patent:

1. 5827105 - Unit toy system

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12/19/2025
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