Growing community of inventors

Bochum-Langendreer, Germany

Hans-Hagen Von Dohren

Average Co-Inventor Count = 4.44

ph-index = 2

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 = 197

Hans-Hagen Von Dohren ↔ Hermann Perrey (2 patents)Hans-Hagen Von Dohren ↔ Karlheinz Hildenbrand (2 patents)Hans-Hagen Von Dohren ↔ Rolf Dhein (1 patent)Hans-Hagen Von Dohren ↔ Klaus Wehling (1 patent)Hans-Hagen Von Dohren ↔ Georg Frank (1 patent)Hans-Hagen Von DohrenHans-Hagen Von Dohren (2 patents)Hermann PerreyHermann Perrey (32 patents)Karlheinz HildenbrandKarlheinz Hildenbrand (23 patents)Rolf DheinRolf Dhein (152 patents)Klaus WehlingKlaus Wehling (17 patents)Georg FrankGeorg Frank (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Bayer Aktiengesellschaft (2 from 12,157 patents)


2 patents:

1. 4824639 - Test device and a method for the detection of a component of a liquid

2. 4824640 - Transparent test strip system

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as of
12/7/2025
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