Growing community of inventors

Erlangen, Germany

Josef Sprehe

Average Co-Inventor Count = 2.00

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

Josef Sprehe ↔ Hans-Joachim Niemann (1 patent)Josef Sprehe ↔ Erich Niedermayr (0 patent)Josef Sprehe ↔ Wilfried Schröter (0 patent)Josef Sprehe ↔ Michael Weinrauch (0 patent)Josef Sprehe ↔ Rainer Griedl (0 patent)Josef Sprehe ↔ Manfred Wöffen (0 patent)Josef Sprehe ↔ Klaus-Peter Blume (0 patent)Josef SpreheJosef Sprehe (1 patent)Hans-Joachim NiemannHans-Joachim Niemann (6 patents)Erich NiedermayrErich Niedermayr (0 patent)Wilfried SchröterWilfried Schröter (0 patent)Michael WeinrauchMichael Weinrauch (0 patent)Rainer GriedlRainer Griedl (0 patent)Manfred WöffenManfred Wöffen (0 patent)Klaus-Peter BlumeKlaus-Peter Blume (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kraftwerk Union Aktiengesellschaft (1 from 461 patents)

2. Areva Np Gmbh (211 patents)


1 patent:

1. 4512957 - Method for the separation of uranium isotope compounds already converted

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12/18/2025
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