Growing community of inventors

Echt, Netherlands

Joseph Johannes Heijen

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

Joseph Johannes HeijenRené Verwaal (1 patent)Joseph Johannes HeijenMickel Leonardus August Jansen (1 patent)Joseph Johannes HeijenJoseph Johannes Heijen (1 patent)René VerwaalRené Verwaal (14 patents)Mickel Leonardus August JansenMickel Leonardus August Jansen (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Dsm IP Assets B.v. (1 from 1,733 patents)


1 patent:

1. 9624514 - Process for preparing dicarboxylic acids employing fungal cells

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12/11/2025
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