Growing community of inventors

Bad Boll, Germany

Erwin Stark

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 = 7

Erwin StarkBernhard Prantl (1 patent)Erwin StarkRolf Walz (1 patent)Erwin StarkErwin Stark (1 patent)Bernhard PrantlBernhard Prantl (5 patents)Rolf WalzRolf Walz (2 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Basf Lacke+farben Ag (1 from 198 patents)


1 patent:

1. 5073623 - Condensation products based on rosin

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as of
12/29/2025
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