Growing community of inventors

Weesp, Netherlands

Johannes A Van Der Heyden

Average Co-Inventor Count = 4.48

ph-index = 4

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 = 61

Johannes A Van Der HeydenCornelis G Kruse (5 patents)Johannes A Van Der HeydenIneke Van Wijngaarden (5 patents)Johannes A Van Der HeydenJan Hartog (2 patents)Johannes A Van Der HeydenMartinus T Tulp (2 patents)Johannes A Van Der HeydenBerend Olivier (2 patents)Johannes A Van Der HeydenRoelof Van Hes (1 patent)Johannes A Van Der HeydenDirkje A Van Dalen-Van Der Aa (1 patent)Johannes A Van Der HeydenJohannes A Van Der Heyden (5 patents)Cornelis G KruseCornelis G Kruse (54 patents)Ineke Van WijngaardenIneke Van Wijngaarden (28 patents)Jan HartogJan Hartog (11 patents)Martinus T TulpMartinus T Tulp (4 patents)Berend OlivierBerend Olivier (3 patents)Roelof Van HesRoelof Van Hes (13 patents)Dirkje A Van Dalen-Van Der AaDirkje A Van Dalen-Van Der Aa (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Duphar International Research Bv (5 from 169 patents)


5 patents:

1. 5424313 - Bibyclic heteroacrylpiperazine derivatives having psychotropic activity,

2. 4874770 - Aryl-substituted (N-piperidinyl)methyl- and (N-piperidinyl) methylazoles

3. 4791132 - Phenyl, Pyrrolidin-2-yl substituted pyrroles having antipsychotic

4. 4782061 - Method of treating psychotropic conditions employing substituted

5. 4772604 - Phenyl-substituted (N-piperazinyl) methylazoles for treating affections

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as of
12/19/2025
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