Average Co-Inventor Count = 4.00
ph-index = 5
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 (5 from 2,304 patents)
5 patents:
1. 5346619 - Carbon-clad zirconium oxide particles
2. 5271833 - Polymer-coated carbon-clad inorganic oxide particles
3. 5254262 - Carbon-clad zirconium oxide particles
4. 5182016 - Polymer-coated carbon-clad inorganic oxide particles
5. 5108597 - Carbon-clad zirconium oxide particles