Average Co-Inventor Count = 2.67
ph-index = 1
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 5,125 patents)
2 patents:
1. 6610804 - Iron-based catalyst composition for the manufacture of syndiotactic 1, 2-polybutadiene
2. 6576725 - Iron-based catalyst for producing high-vinyl polybutadiene