Growing community of inventors

Frechen, Germany

Werner Heister

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

Werner Heister ↔ Matthias Katzer (1 patent)Werner Heister ↔ Manfred Bertzick (1 patent)Werner Heister ↔ Wilfried Ostendorf (1 patent)Werner Heister ↔ Manfred Bertzick (0 patent)Werner Heister ↔ Manfred Bertzick (0 patent)Werner HeisterWerner Heister (1 patent)Matthias KatzerMatthias Katzer (3 patents)Manfred BertzickManfred Bertzick (1 patent)Wilfried OstendorfWilfried Ostendorf (1 patent)Manfred BertzickManfred Bertzick (0 patent)Manfred BertzickManfred Bertzick (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Evonik Carbon Black Gmbh (1 from 12 patents)

2. Orion Engineered Carbons Gmbh (9 patents)


1 patent:

1. 8394190 - Carbon black granulate, method for producing carbon black granulate, and use thereof

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as of
12/28/2025
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