Growing community of inventors

Duisburg, Germany

Walter Köhler

Average Co-Inventor Count = 3.60

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 = 9

Walter KöhlerMartin Döbler (3 patents)Walter KöhlerSiegfried Neumann (2 patents)Walter KöhlerAxel Brenner (2 patents)Walter KöhlerWolfgang Ebert (1 patent)Walter KöhlerWalter Köhler (3 patents)Martin DöblerMartin Döbler (7 patents)Siegfried NeumannSiegfried Neumann (4 patents)Axel BrennerAxel Brenner (4 patents)Wolfgang EbertWolfgang Ebert (73 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Bayer Aktiengesellschaft (3 from 12,160 patents)


3 patents:

1. 6740697 - Flame-resistant thermoplastic molding material

2. 6737457 - Use of zwitterionic compounds as mold release agents in thermoplastics

3. 6348560 - Use of oligomeric iodinated polycarbonates

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as of
12/27/2025
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