Growing community of inventors

Darmstadt, Germany

Stefan Spiekermann

Average Co-Inventor Count = 6.00

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 = 9

Stefan SpiekermannRolf Hempelmann (2 patents)Stefan SpiekermannHans-Martin Sauer (2 patents)Stefan SpiekermannSohaib Elgimiabi (2 patents)Stefan SpiekermannFrank Meyer (2 patents)Stefan SpiekermannElisabeth Cura (2 patents)Stefan SpiekermannStefan Spiekermann (2 patents)Rolf HempelmannRolf Hempelmann (6 patents)Hans-Martin SauerHans-Martin Sauer (3 patents)Sohaib ElgimiabiSohaib Elgimiabi (2 patents)Frank MeyerFrank Meyer (2 patents)Elisabeth CuraElisabeth Cura (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Henkel Kommanditgesellschaft Auf Aktien (1 from 2,080 patents)

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


2 patents:

1. 7651580 - Nanoparticulate preparation

2. 7479288 - Nanoparticulate preparation

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idiyas.com
as of
12/13/2025
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