Average Co-Inventor Count = 1.33
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. Michelin Recherche Et Technique S.a. (1 from 2,095 patents)
2. Compagnie Generale Des Establissements (1 from 4 patents)
2 patents:
1. 6765045 - Vulcanisable rubber composition with sulphur containing silica
2. 6204322 - Silica-filled elastomer composition which can be used for tires