Average Co-Inventor Count = 2.86
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. Japan Energy Corporation (1 from 130 patents)
2 patents:
1. 5994434 - Adhesion promoter composition and adherent rubber composition containing
2. 5979529 - Adherent rubber composition for steel cord