Growing community of inventors

Wolfen, Germany

Walter Kroha

Average Co-Inventor Count = 5.46

ph-index = 2

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 = 16

Walter Kroha ↔ Lothar Kuhnert (2 patents)Walter Kroha ↔ Christoph Roth (2 patents)Walter Kroha ↔ Dieter Plaschnick (1 patent)Walter Kroha ↔ Wolfgang Baumbach (1 patent)Walter Kroha ↔ Burkhard Costisella (1 patent)Walter Kroha ↔ Renate Hoppe (1 patent)Walter Kroha ↔ Bernd Noll (1 patent)Walter KrohaWalter Kroha (2 patents)Lothar KuhnertLothar Kuhnert (2 patents)Christoph RothChristoph Roth (2 patents)Dieter PlaschnickDieter Plaschnick (2 patents)Wolfgang BaumbachWolfgang Baumbach (1 patent)Burkhard CostisellaBurkhard Costisella (1 patent)Renate HoppeRenate Hoppe (1 patent)Bernd NollBernd Noll (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Veb Filmfabrik Wolfen (2 from 10 patents)


2 patents:

1. 4419440 - Process for the introduction of hydrophobic photographic additives

2. 4410624 - Method of dispersing oil soluble photographic additives

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12/19/2025
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