Average Co-Inventor Count = 3.16
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. (3 from 118 patents)
2. Bridgestone/firestone, Inc. (2 from 342 patents)
5 patents:
1. D451059 - Tire tread
2. D449801 - Tire tread
3. D448328 - Tire tread
4. D395264 - Tire tread
5. D384618 - Tire tread