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AL Ridderkerk, Netherlands

Pieter Rook

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 = 7

Pieter RookHugo De Vries (1 patent)Pieter RookHugo V De Vries (1 patent)Pieter RookPieter Rook (2 patents)Hugo De VriesHugo De Vries (10 patents)Hugo V De VriesHugo V De Vries (7 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (2 from 832,812 patents)

2. De Vries, Hugo (0 patent)

3. Rook, Pieter (0 patent)


2 patents:

1. 9039541 - Method for laying a playable surface, for instance a playing field, and surface thus formed

2. 8133123 - Method for laying a passable surface, for instance a playing ground, and surface thus formed

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as of
12/21/2025
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