Growing community of inventors

Solingen, Germany

Gertrud Ewald

Average Co-Inventor Count = 6.00

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 = 5

Gertrud Ewald ↔ Horst Hoeffkes (1 patent)Gertrud Ewald ↔ Peter Kuhm (1 patent)Gertrud Ewald ↔ Bernd Mayer (1 patent)Gertrud Ewald ↔ Melita Heller (1 patent)Gertrud Ewald ↔ Hans-Oscar Stephan (1 patent)Gertrud EwaldGertrud Ewald (1 patent)Horst HoeffkesHorst Hoeffkes (60 patents)Peter KuhmPeter Kuhm (17 patents)Bernd MayerBernd Mayer (8 patents)Melita HellerMelita Heller (2 patents)Hans-Oscar StephanHans-Oscar Stephan (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Henkel Kommanditgesellschaft Auf Aktien (henkel Kgaa) (1 from 180 patents)


1 patent:

1. 6648925 - Coloring agent comprising transition metals

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12/7/2025
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