Growing community of inventors

Constantia, South Africa

Johannes Arnoldus Pretorius

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 = 2

Johannes Arnoldus Pretorius ↔ Pierre Steyn (1 patent)Johannes Arnoldus Pretorius ↔ William Ian George (1 patent)Johannes Arnoldus Pretorius ↔ Max Lariviere Birch (1 patent)Johannes Arnoldus PretoriusJohannes Arnoldus Pretorius (1 patent)Pierre SteynPierre Steyn (1 patent)William Ian GeorgeWilliam Ian George (1 patent)Max Lariviere BirchMax Lariviere Birch (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Chelton, Inc. (1 from 2 patents)


1 patent:

1. 7081861 - Phased array antenna

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12/11/2025
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