Growing community of inventors

Leeuwarden, Netherlands

Roelof De Haan

Average Co-Inventor Count = 3.00

ph-index = 1

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 = 0

Roelof De Haan ↔ Hendrik Freerk Kloosterman (2 patents)Roelof De Haan ↔ Jelmer Van Der Meij (2 patents)Roelof De HaanRoelof De Haan (2 patents)Hendrik Freerk KloostermanHendrik Freerk Kloosterman (8 patents)Jelmer Van Der MeijJelmer Van Der Meij (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Huhtamaki Nederland Bv (2 from 8 patents)


2 patents:

1. D1092242 - Egg carton

2. D1091333 - Egg carton

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as of
12/16/2025
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