Growing community of inventors

Amsterdam, Netherlands

Rogier Kappelhoff

Average Co-Inventor Count = 3.27

ph-index = 3

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 = 129

Rogier Kappelhoff ↔ Simon Wilkinson (3 patents)Rogier Kappelhoff ↔ Bryony Gaschy (2 patents)Rogier Kappelhoff ↔ David McMillan (1 patent)Rogier Kappelhoff ↔ Cécile Aubriet (1 patent)Rogier KappelhoffRogier Kappelhoff (3 patents)Simon WilkinsonSimon Wilkinson (5 patents)Bryony GaschyBryony Gaschy (13 patents)David McMillanDavid McMillan (2 patents)Cécile AubrietCécile Aubriet (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Steelcase S.a. (3 from 18 patents)


3 patents:

1. D607653 - Chair backrest support

2. D597349 - Chair backrest support

3. D497264 - Seat

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as of
12/17/2025
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