Growing community of inventors

Velp, Netherlands

Johannes Durk Gombert

Average Co-Inventor Count = 4.71

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 = 0

Johannes Durk GombertMartin Robert Roest (3 patents)Johannes Durk GombertPeter Johannes Coenders (3 patents)Johannes Durk GombertPieter H P Stegeman (2 patents)Johannes Durk GombertSaskia Alexandra Galema (1 patent)Johannes Durk GombertPeter Joannes Coenders (1 patent)Johannes Durk GombertBartholomens Jozef Vanschie (1 patent)Johannes Durk GombertAnna Sophie Meer (1 patent)Johannes Durk GombertPieter Hendrik Paul Stegeman (1 patent)Johannes Durk GombertBartholomeous Jozef Van Schie (1 patent)Johannes Durk GombertBartholomeus Jozef Van Schie (1 patent)Johannes Durk GombertJohannes Durk Gombert (4 patents)Martin Robert RoestMartin Robert Roest (3 patents)Peter Johannes CoendersPeter Johannes Coenders (3 patents)Pieter H P StegemanPieter H P Stegeman (2 patents)Saskia Alexandra GalemaSaskia Alexandra Galema (1 patent)Peter Joannes CoendersPeter Joannes Coenders (1 patent)Bartholomens Jozef VanschieBartholomens Jozef Vanschie (1 patent)Anna Sophie MeerAnna Sophie Meer (1 patent)Pieter Hendrik Paul StegemanPieter Hendrik Paul Stegeman (1 patent)Bartholomeous Jozef Van SchieBartholomeous Jozef Van Schie (1 patent)Bartholomeus Jozef Van SchieBartholomeus Jozef Van Schie (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Quest International B.v. (4 from 84 patents)


4 patents:

1. 6818244 - Diacetyl tartaric acid esters of mono- and diglycerides based on C12 to C22 fatty acids

2. 6642278 - Diacetyl tartaric acid esters of mono- and diglycerides based on C12 to C22 fatty acids

3. 6635299 - Diacetyl tartaric acid esters on mono- and diglycerides based on C12 to C22 fatty acids and succinic acid esters of mono-diglycerides based on C12 to C22 fatty acids

4. 6130257 - Compositions of enantiomeric diacyl tartaric anhydrides and preparation

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as of
12/11/2025
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