Growing community of inventors

Vlaardingen, Netherlands

Rudolfus Johannes Hafkamp

Average Co-Inventor Count = 2.00

ph-index = 2

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

Rudolfus Johannes HafkampOlaf Cornelis Beers (2 patents)Rudolfus Johannes HafkampRob Menting (1 patent)Rudolfus Johannes HafkampRudolfus Johannes Hafkamp (3 patents)Olaf Cornelis BeersOlaf Cornelis Beers (2 patents)Rob MentingRob Menting (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Unilever Home & Personal Care Usa, a Division of Conopco, Inc. (2 from 91 patents)

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


3 patents:

1. 7033983 - Detergent compositions

2. 7030077 - Detergent compositions

3. 6794349 - Detergent compositions

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as of
12/15/2025
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