Average Co-Inventor Count = 3.00
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. Saint-gobain Vitrage (2 from 420 patents)
2 patents:
1. 5256180 - Apparatus for production of hollow glass microspheres
2. 4778502 - Production of glass microspheres