Average Co-Inventor Count = 4.00
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. European Aeronautic Defence and Space Company Eads France (1 from 38 patents)
2. Arts (1 from 5 patents)
3. E.p.b. (1 from 4 patents)
4. European Aeronautic Defence and Space Company (1 from 4 patents)
5. Sarl Albret (1 from 1 patent)
6. Centre National De La Recherche Scientifique (5,072 patents)
7. Ecole Nationale Superieure D'arts Et Metiers (6 patents)
2 patents:
1. 8926235 - Drilling head with axial vibrations
2. 8876447 - Tool holder comprising a cooling means