Growing community of inventors

Munich, Georgia

Steffen Hoppe

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 = 3

Steffen Hoppe ↔ Rudolf Widmann (1 patent)Steffen Hoppe ↔ Ehrenfried Horn (1 patent)Steffen HoppeSteffen Hoppe (1 patent)Rudolf WidmannRudolf Widmann (1 patent)Ehrenfried HornEhrenfried Horn (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Federal-mogul Friedberg Gmbh (1 from 8 patents)


1 patent:

1. 6726216 - Piston ring with oxide-nitride composite layer

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as of
12/14/2025
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