Growing community of inventors

Groningen, Netherlands

Jacobus K Westra

Average Co-Inventor Count = 3.00

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 = 23

Jacobus K WestraHuub Ehlhardt (2 patents)Jacobus K WestraLippe Van Den Brug (2 patents)Jacobus K WestraJacobus K Westra (2 patents)Huub EhlhardtHuub Ehlhardt (6 patents)Lippe Van Den BrugLippe Van Den Brug (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. U.S. Philips Corporation (2 from 14,087 patents)


2 patents:

1. 6053181 - Instrument for styling hair

2. 5894849 - Instrument for styling hair

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12/6/2025
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