Growing community of inventors

Weesp, Netherlands

Jan W Terpstra

Average Co-Inventor Count = 2.00

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 = 20

Jan W TerpstraArnoldus C Grosscurt (1 patent)Jan W TerpstraJan W Terpstra (1 patent)Arnoldus C GrosscurtArnoldus C Grosscurt (13 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

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


1 patent:

1. 5164396 - Barbituric acid derivatives having insecticidal activity

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12/19/2025
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