Growing community of inventors

Vlaardingen, Netherlands

Johannes Jacob Verhagen

Average Co-Inventor Count = 8.00

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 = 26

Johannes Jacob VerhagenRonald Hage (4 patents)Johannes Jacob VerhagenDennis Stephen Murphy (4 patents)Johannes Jacob VerhagenJean Hypolites Koek (4 patents)Johannes Jacob VerhagenPieter Van Der Vlist (4 patents)Johannes Jacob VerhagenJan Kevelam (4 patents)Johannes Jacob VerhagenIrene Erica Smit (4 patents)Johannes Jacob VerhagenDirk Johannes Bijl (4 patents)Johannes Jacob VerhagenJohannes Jacob Verhagen (4 patents)Ronald HageRonald Hage (60 patents)Dennis Stephen MurphyDennis Stephen Murphy (46 patents)Jean Hypolites KoekJean Hypolites Koek (23 patents)Pieter Van Der VlistPieter Van Der Vlist (7 patents)Jan KevelamJan Kevelam (6 patents)Irene Erica SmitIrene Erica Smit (4 patents)Dirk Johannes BijlDirk Johannes Bijl (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Unilever Home and Personal Care Usa, Division of Conopco, Inc. (4 from 755 patents)


4 patents:

1. 6605580 - Bleaching composition

2. 6562774 - Bleaching composition

3. 6495502 - Bleaching composition for dry cleaning containing transition metal bleach catalyst

4. 6479447 - Bleaching composition for dry cleaning containing transition metal bleach catalyst

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as of
12/15/2025
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