Growing community of inventors

Saint-Yorre, France

Roger Levillain

Average Co-Inventor Count = 2.00

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 = 1

Roger Levillain ↔ René Joulie (1 patent)Roger LevillainRoger Levillain (1 patent)René JoulieRené Joulie (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sediver Societe Europeenne D'isolateurs En Verre Et Composite (1 from 9 patents)


1 patent:

1. 6822167 - Making a composite insulator body

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as of
12/16/2025
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