Growing community of inventors

Leusden, Netherlands

Derk Hamminga

Average Co-Inventor Count = 7.00

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 = 7

Derk Hamminga ↔ Horst Zeugner (1 patent)Derk Hamminga ↔ Klaus-Ullrich Wolf (1 patent)Derk Hamminga ↔ Werner Benson (1 patent)Derk Hamminga ↔ Ineke Van Wijngaarden (1 patent)Derk Hamminga ↔ Harald Waldeck (1 patent)Derk Hamminga ↔ Peter-Colin Gregory (1 patent)Derk HammingaDerk Hamminga (1 patent)Horst ZeugnerHorst Zeugner (30 patents)Klaus-Ullrich WolfKlaus-Ullrich Wolf (12 patents)Werner BensonWerner Benson (5 patents)Ineke Van WijngaardenIneke Van Wijngaarden (4 patents)Harald WaldeckHarald Waldeck (1 patent)Peter-Colin GregoryPeter-Colin Gregory (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kali-chemie Pharma Gmbh (1 from 92 patents)


1 patent:

1. 5010076 - 1,7-fused 1H-indole-2-carboxylic acid-N-(1,4-benzodiazepin-3-yl)amides

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as of
12/17/2025
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