Growing community of inventors

Hannover, Germany

Dirk Krätzer

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 = 2

Dirk Krätzer ↔ Elmar Schulze (2 patents)Dirk Krätzer ↔ Dirk Reymann (1 patent)Dirk Krätzer ↔ Christoph Greger (1 patent)Dirk Krätzer ↔ Niels Christian Steen Hansen (1 patent)Dirk Krätzer ↔ Alexander Gruve (1 patent)Dirk Krätzer ↔ Steen Hansen Niels Christian (0 patent)Dirk KrätzerDirk Krätzer (2 patents)Elmar SchulzeElmar Schulze (5 patents)Dirk ReymannDirk Reymann (4 patents)Christoph GregerChristoph Greger (3 patents)Niels Christian Steen HansenNiels Christian Steen Hansen (1 patent)Alexander GruveAlexander Gruve (1 patent)Steen Hansen Niels ChristianSteen Hansen Niels Christian (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sennheiser Electronic Gmbh & Co Kg (2 from 296 patents)


2 patents:

1. 9184474 - Rechargeable battery unit and portable electronic appliance

2. D626504 - Accumulator

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idiyas.com
as of
12/17/2025
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