Growing community of inventors

Amsterdam, Netherlands

Jan J Keijsper

Average Co-Inventor Count = 4.00

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 = 7

Jan J Keijsper ↔ Eit Drent (1 patent)Jan J Keijsper ↔ Peter Arnoldy (1 patent)Jan J Keijsper ↔ Cornelis Mark Bolinger (1 patent)Jan J KeijsperJan J Keijsper (1 patent)Eit DrentEit Drent (214 patents)Peter ArnoldyPeter Arnoldy (14 patents)Cornelis Mark BolingerCornelis Mark Bolinger (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. 5994591 - Hydroformylation process

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