Average Co-Inventor Count = 5.00
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. Sumitomo Chemical Company, Limited (2 from 6,896 patents)
2 patents:
1. 5280000 - Catalyst for olefin polymerization and process for producing olefin
2. 5189124 - Process for producing .alpha.-olefin polymers