Growing community of inventors

Munich, Germany

Erwin Quednau

Average Co-Inventor Count = 4.00

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 = 1

Erwin Quednau ↔ Manfred Hubschmann (1 patent)Erwin Quednau ↔ Wolfgang Geiger (1 patent)Erwin Quednau ↔ Reiner Weber (1 patent)Erwin QuednauErwin Quednau (1 patent)Manfred HubschmannManfred Hubschmann (1 patent)Wolfgang GeigerWolfgang Geiger (1 patent)Reiner WeberReiner Weber (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ibp Pietzsch Gmbh (1 from 10 patents)


1 patent:

1. 4755959 - Circuit arrangement for calculating a visual distance in a digitally

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as of
12/20/2025
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