Growing community of inventors

Epinay Sur Senart, France

Denis Chatrefou

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 = 2

Denis ChatrefouPaul Meyrueix (1 patent)Denis ChatrefouJean Simon (1 patent)Denis ChatrefouDenis Chatrefou (1 patent)Paul MeyrueixPaul Meyrueix (3 patents)Jean SimonJean Simon (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Psc Protections Et Systemes De Controle (1 from 1 patent)


1 patent:

1. 5028865 - Device having main and secondary optical sensors

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12/20/2025
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