Average Co-Inventor Count = 3.20
ph-index = 4
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. Bridgestone/firestone Research, Inc. (4 from 118 patents)
4 patents:
1. D445380 - Tire tread
2. D440529 - Tire tread
3. D437264 - Tire tread
4. D432961 - Tire tread