Growing community of inventors

Weesp, Netherlands

Erwin G Warmerdam

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 = 1

Erwin G Warmerdam ↔ Chris G Kruse (1 patent)Erwin G Warmerdam ↔ Arne Van Der Gen (1 patent)Erwin G Warmerdam ↔ Johannes Brussee (1 patent)Erwin G WarmerdamErwin G Warmerdam (1 patent)Chris G KruseChris G Kruse (5 patents)Arne Van Der GenArne Van Der Gen (4 patents)Johannes BrusseeJohannes Brussee (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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


1 patent:

1. 5493047 - Method of preparing optically active cyanohydrin derivatives

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12/20/2025
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