Growing community of inventors

Weesp, Netherlands

Donald T Witiak

Average Co-Inventor Count = 5.00

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 = 1

Donald T Witiak ↔ Ineke Van Wijngaarden (1 patent)Donald T Witiak ↔ Jacobus A Den Hartog (1 patent)Donald T Witiak ↔ Josephus H Lange (1 patent)Donald T Witiak ↔ Raghunathan V Nair (1 patent)Donald T WitiakDonald T Witiak (1 patent)Ineke Van WijngaardenIneke Van Wijngaarden (28 patents)Jacobus A Den HartogJacobus A Den Hartog (6 patents)Josephus H LangeJosephus H Lange (2 patents)Raghunathan V NairRaghunathan V Nair (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,812 patents)


1 patent:

1. 5356891 - Phenylalkyl amine derivatives having anti-ischaemic activity

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12/19/2025
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