Average Co-Inventor Count = 2.67
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. Bridgestone Corporation (2 from 5,119 patents)
2 patents:
1. 6506849 - Rubber composition and pneumatic tire
2. 6376587 - Rubber composition for tire tread and pneumatic tire using said rubber composition