Growing community of inventors

Munich, Germany

Manfred Ziegler

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 = 27

Manfred Ziegler ↔ Eckart Hundt (1 patent)Manfred Ziegler ↔ Thomas Riegel (1 patent)Manfred Ziegler ↔ Heinz Schwartzel (1 patent)Manfred ZieglerManfred Ziegler (1 patent)Eckart HundtEckart Hundt (6 patents)Thomas RiegelThomas Riegel (5 patents)Heinz SchwartzelHeinz Schwartzel (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Siemens Aktiengesellschaft (1 from 30,040 patents)


1 patent:

1. 5499303 - Correction of the gaze direction for a videophone

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as of
12/19/2025
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