Growing community of inventors

Sassenheim, Netherlands

Rienk Hettema

Average Co-Inventor Count = 5.09

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 = 9

Rienk Hettema ↔ Hendrik Meijer (2 patents)Rienk Hettema ↔ Roelof Buter (1 patent)Rienk Hettema ↔ Jamie MacLiver Roy (1 patent)Rienk Hettema ↔ Josephina Johanna Hendrika Maria Raben-Schlief (1 patent)Rienk Hettema ↔ Geertje Marte Kuiken (1 patent)Rienk Hettema ↔ Bart Bouma (1 patent)Rienk Hettema ↔ Klaas Jan Hendrik Kruithof (1 patent)Rienk Hettema ↔ Roger MacLiver Roy (1 patent)Rienk Hettema ↔ Jamie Macliver Roy (0 patent)Rienk Hettema ↔ Hendrik Meijer (0 patent)Rienk HettemaRienk Hettema (2 patents)Hendrik MeijerHendrik Meijer (2 patents)Roelof ButerRoelof Buter (23 patents)Jamie MacLiver RoyJamie MacLiver Roy (3 patents)Josephina Johanna Hendrika Maria Raben-SchliefJosephina Johanna Hendrika Maria Raben-Schlief (1 patent)Geertje Marte KuikenGeertje Marte Kuiken (1 patent)Bart BoumaBart Bouma (1 patent)Klaas Jan Hendrik KruithofKlaas Jan Hendrik Kruithof (1 patent)Roger MacLiver RoyRoger MacLiver Roy (1 patent)Jamie Macliver RoyJamie Macliver Roy (0 patent)Hendrik MeijerHendrik Meijer (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Akzo Nobel Coatings International B.v. (2 from 206 patents)


2 patents:

1. 8017686 - Polyurethane dispersant resin

2. 7846997 - Pigment preparation

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1/13/2026
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