Growing community of inventors

Leverkusen, Germany

Hartmut Randolph

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 = 3

Hartmut Randolph ↔ Manfred Peters (1 patent)Hartmut Randolph ↔ Fritz Nittel (1 patent)Hartmut Randolph ↔ Heinz-Gunther Auweiler (1 patent)Hartmut RandolphHartmut Randolph (1 patent)Manfred PetersManfred Peters (16 patents)Fritz NittelFritz Nittel (15 patents)Heinz-Gunther AuweilerHeinz-Gunther Auweiler (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Agfa-Gevaert Ag (1 from 1,473 patents)


1 patent:

1. 5292628 - Photographic silver halide element with gelatin layer containing silica

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as of
1/18/2026
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