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. Chicago Mercantile Exchange Inc. (2 from 693 patents)
2 patents:
1. 8332301 - Clearing system that determines margin requirements for financial portfolios
2. 8239308 - Clearing system that determines margin requirements for financial portfolios