Growing community of inventors

Eschborn, Germany

Ralf Jahn

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 = 12

Ralf Jahn ↔ Rudolf Cezanne (1 patent)Ralf Jahn ↔ Klaus-Jürgen Fischer (3 patents)Ralf Jahn ↔ Dennis Eichenberg (2 patents)Ralf Jahn ↔ Peter Gebhardt (1 patent)Ralf Jahn ↔ Benjamin Wegner (2 patents)Ralf Jahn ↔ Christian Engelhardt (1 patent)Ralf Jahn ↔ Horst Laczny (1 patent)Ralf Jahn ↔ Harald Daubach (0 patent)Ralf Jahn ↔ Michael Fehn (0 patent)Ralf JahnRalf Jahn (1 patent)Rudolf CezanneRudolf Cezanne (5 patents)Klaus-Jürgen FischerKlaus-Jürgen Fischer (3 patents)Dennis EichenbergDennis Eichenberg (2 patents)Peter GebhardtPeter Gebhardt (2 patents)Benjamin WegnerBenjamin Wegner (2 patents)Christian EngelhardtChristian Engelhardt (1 patent)Horst LacznyHorst Laczny (1 patent)Harald DaubachHarald Daubach (0 patent)Michael FehnMichael Fehn (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Itt Automotive Europe Gmbh (1 from 194 patents)

2. Leifheit Ag (87 patents)


1 patent:

1. 5511464 - Cup-seal non-return valve

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12/18/2025
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