Growing community of inventors

Wuppertal, Germany

Willi Henkenjohann

Average Co-Inventor Count = 7.00

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 = 1

Willi HenkenjohannKarl Kuhmann (2 patents)Willi HenkenjohannAndreas Pawlik (2 patents)Willi HenkenjohannMartin Risthaus (2 patents)Willi HenkenjohannMaximilian Gruhn (2 patents)Willi HenkenjohannKlaus Welsch (2 patents)Willi HenkenjohannSven Mang (2 patents)Willi HenkenjohannWilli Henkenjohann (2 patents)Karl KuhmannKarl Kuhmann (15 patents)Andreas PawlikAndreas Pawlik (12 patents)Martin RisthausMartin Risthaus (9 patents)Maximilian GruhnMaximilian Gruhn (8 patents)Klaus WelschKlaus Welsch (4 patents)Sven MangSven Mang (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Si-coatings Gmbh (2 from 2 patents)

2. Evonik Degussa Gmbh (1 from 1,242 patents)

3. Evonik Operations Gmbh (1 from 596 patents)


2 patents:

1. 11078390 - Adhesion promoter compositions and primer compositions for metal-plastic hybrid components

2. 10273390 - Adhesion promoter compositions and primer compositions for metal-plastic hybrid components

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as of
12/5/2025
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