Growing community of inventors

Pont De Cheruy, France

Roger Ledru

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 = 3

Roger LedruEdmond Thuries (1 patent)Roger LedruVan Doan Pham (1 patent)Roger LedruRoger Ledru (1 patent)Edmond ThuriesEdmond Thuries (68 patents)Van Doan PhamVan Doan Pham (32 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Societe Anonyme Dite:alsthom (1 from 22 patents)


1 patent:

1. 4940961 - Braking resistor for a high tension electrical network

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12/11/2025
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