Growing community of inventors

Erwitte, Germany

Holger Grolmes

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 = 0

Holger Grolmes ↔ Marcel Roth (1 patent)Holger Grolmes ↔ Ingo Klüppel (1 patent)Holger Grolmes ↔ Christopher Köster (1 patent)Holger GrolmesHolger Grolmes (1 patent)Marcel RothMarcel Roth (22 patents)Ingo KlüppelIngo Klüppel (3 patents)Christopher KösterChristopher Köster (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ewald Dorken Ag (1 from 38 patents)


1 patent:

1. 11987887 - Method for passivating metallic substances

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12/7/2025
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