Growing community of inventors

The Hague, Netherlands

Johannes J Janssen

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 = 4

Johannes J Janssen ↔ Arie L Mos (1 patent)Johannes J Janssen ↔ Theodoor Johan Simons (1 patent)Johannes J JanssenJohannes J Janssen (1 patent)Arie L MosArie L Mos (2 patents)Theodoor Johan SimonsTheodoor Johan Simons (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shell Oil Comapny (1 from 7,646 patents)


1 patent:

1. 5558778 - Process for the treatment of a wastewater

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12/20/2025
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