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. Mitsubishi Materials Corporation (2 from 1,530 patents)
2 patents:
1. 6855751 - Silica powder and method for producing the same
2. 6569922 - Silica powder and method for producing the same