Average Co-Inventor Count = 6.00
ph-index = 3
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. University of Minnesota (3 from 2,308 patents)
3 patents:
1. 5205929 - High stability porous zirconium oxide spherules
2. 5141634 - High stability porous zirconium oxide spherules
3. 5015373 - High stability porous zirconium oxide spherules