Growing community of inventors

Leipzig, Germany

Frieder Berr

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 = 2

Frieder Berr ↔ Peter Wiedemann (1 patent)Frieder Berr ↔ Stanislaw Schastak (1 patent)Frieder Berr ↔ Alexander Shulga (1 patent)Frieder BerrFrieder Berr (1 patent)Peter WiedemannPeter Wiedemann (3 patents)Stanislaw SchastakStanislaw Schastak (1 patent)Alexander ShulgaAlexander Shulga (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Astrid Schastak (1 from 1 patent)


1 patent:

1. 6410568 - Porphyrins and their use as photosensitizer

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1/11/2026
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