Growing community of inventors

Cologne-Stammheim, Germany

Peter Hartmann

Average Co-Inventor Count = 1.50

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

Peter HartmannHans Theidel (2 patents)Peter HartmannPeter Hartmann (3 patents)Hans TheidelHans Theidel (8 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Bayer Aktiengesellschaft (3 from 12,157 patents)


3 patents:

1. 3993670 - Benzodifuran compounds

2. 3971731 - Benzodifuran compounds

3. 3950381 - Preparation of aroyl acidic esters

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12/6/2025
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