Growing community of inventors

Hamburg, Germany

Holger Bartels

Average Co-Inventor Count = 1.89

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 = 13

Holger BartelsStefan Hoepfner (1 patent)Holger BartelsWolfgang Wolff (1 patent)Holger BartelsSandra Rohweder (1 patent)Holger BartelsWinfried Emmerling (1 patent)Holger BartelsInge Neubueser (1 patent)Holger BartelsHolger Bartels (3 patents)Stefan HoepfnerStefan Hoepfner (17 patents)Wolfgang WolffWolfgang Wolff (8 patents)Sandra RohwederSandra Rohweder (3 patents)Winfried EmmerlingWinfried Emmerling (3 patents)Inge NeubueserInge Neubueser (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Henkel Ag & Company, Kgaa (1 from 2,056 patents)

2. Henkel Kgaa (1 from 89 patents)

3. Hans Schwarzkopf Gmbh & Co. Kg (1 from 10 patents)


3 patents:

1. 8753408 - Reductive decoloration of keratin-containing fibers

2. 7971593 - Hair rollers

3. 6485528 - Agents for treating keratin fibers

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idiyas.com
as of
12/29/2025
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