Growing community of inventors

Langenfeld, Germany

Stephan Spiegelhauer

Average Co-Inventor Count = 3.00

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 = 0

Stephan Spiegelhauer ↔ Jurgen Kischkewitz (1 patent)Stephan Spiegelhauer ↔ Waldemar Czaplik (1 patent)Stephan Spiegelhauer ↔ Jürgen Kischkewitz (4 patents)Stephan SpiegelhauerStephan Spiegelhauer (1 patent)Jurgen KischkewitzJurgen Kischkewitz (12 patents)Waldemar CzaplikWaldemar Czaplik (6 patents)Jürgen KischkewitzJürgen Kischkewitz (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Lanxess Deutschland Gmbh (1 from 383 patents)


1 patent:

1. 10563066 - Red iron-oxide pigments with improved colour values

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12/8/2025
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