Growing community of inventors

Alzenau, Germany

Gerhard Sperka

Average Co-Inventor Count = 4.00

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 = 2

Gerhard SperkaPeter K Kleinschmit (1 patent)Gerhard SperkaGerd Schreyer (1 patent)Gerhard SperkaCarl Voigt (1 patent)Gerhard SperkaGerhard Sperka (1 patent)Peter K KleinschmitPeter K Kleinschmit (137 patents)Gerd SchreyerGerd Schreyer (41 patents)Carl VoigtCarl Voigt (10 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Degussa Aktiengesellschaft (1 from 1,678 patents)


1 patent:

1. 4387081 - Process for the production of hydrogen cyanide

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12/6/2025
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