Average Co-Inventor Count = 2.40
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.
Company Filing History:
1. France Telecom (2 from 1,156 patents)
2. La Poste (2 from 32 patents)
2 patents:
1. 5652794 - Device and process for securizing a document and graphic
2. 5530755 - Secured apparatus and process for securing the transmission of documents