Growing community of inventors

Dubendorf, Switzerland

Walter Keller

Average Co-Inventor Count = 3.00

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 = 3

Walter KellerHans Zahner (1 patent)Walter KellerHannelore Drautz (1 patent)Walter KellerWalter Keller (1 patent)Hans ZahnerHans Zahner (5 patents)Hannelore DrautzHannelore Drautz (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ciba-geigy Corporation (1 from 6,850 patents)


1 patent:

1. 4277478 - Antibiotic and use thereof

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12/11/2025
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