Growing community of inventors

Wuerselen, Germany

Hans G Friedrich

Average Co-Inventor Count = 6.00

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 = 39

Hans G Friedrich ↔ Manfred Gillner (1 patent)Hans G Friedrich ↔ Heinz Scholl (1 patent)Hans G Friedrich ↔ Richard Crumbach (1 patent)Hans G Friedrich ↔ Christian Hiemenz (1 patent)Hans G Friedrich ↔ Christian Grau (1 patent)Hans G FriedrichHans G Friedrich (1 patent)Manfred GillnerManfred Gillner (14 patents)Heinz SchollHeinz Scholl (11 patents)Richard CrumbachRichard Crumbach (8 patents)Christian HiemenzChristian Hiemenz (2 patents)Christian GrauChristian Grau (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Saint-gobain Vitrage (1 from 420 patents)


1 patent:

1. 4590030 - Process and apparatus for producing an optically uniform, transparent

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12/19/2025
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