Growing community of inventors

Castricum, Netherlands

Johan Stapersma

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 = 86

Johan Stapersma ↔ Andrew David Horton (2 patents)Johan Stapersma ↔ Peter A Schut (2 patents)Johan Stapersma ↔ Jan F Van Baar (2 patents)Johan Stapersma ↔ Eric Kragtwijk (1 patent)Johan Stapersma ↔ Gerard M M Van Kessel (1 patent)Johan Stapersma ↔ Max Van De Pas (1 patent)Johan StapersmaJohan Stapersma (2 patents)Andrew David HortonAndrew David Horton (10 patents)Peter A SchutPeter A Schut (5 patents)Jan F Van BaarJan F Van Baar (5 patents)Eric KragtwijkEric Kragtwijk (8 patents)Gerard M M Van KesselGerard M M Van Kessel (3 patents)Max Van De PasMax Van De Pas (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Basell Polyolefine Gmbh (2 from 478 patents)


2 patents:

1. 7141527 - Catalyst system and process for the polymerization of olefins

2. 6703457 - Propylene polymers and process for the preparation thereof

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