Growing community of inventors

Heidenheim, Germany

Karl-Heinz Preis

Average Co-Inventor Count = 2.40

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 = 16

Karl-Heinz Preis ↔ Heinz Krastel (1 patent)Karl-Heinz Preis ↔ Ulrich Zech (1 patent)Karl-Heinz Preis ↔ Ingo Kolsch (1 patent)Karl-Heinz Preis ↔ Ulrich Zech (0 patent)Karl-Heinz PreisKarl-Heinz Preis (2 patents)Heinz KrastelHeinz Krastel (3 patents)Ulrich ZechUlrich Zech (1 patent)Ingo KolschIngo Kolsch (1 patent)Ulrich ZechUlrich Zech (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Carl-zeiss-stiftung (1 from 702 patents)

2. Intergraph Hardware Technologies Company (1 from 9 patents)

3. Leica Geosystems Ag (457 patents)


2 patents:

1. 7353527 - Holding apparatus for a storage medium

2. D412520 - Roll film flat bed scanner

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idiyas.com
as of
12/18/2025
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