Average Co-Inventor Count = 3.87
ph-index = 3
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. (4 from 688 patents)
4 patents:
1. 8751367 - Zero coupon conversion factor calculation
2. 8738503 - Multiple coupon interest rate futures contracts
3. 8639601 - Calendar spread futures
4. 8407129 - Pricing cash settled on-the-run treasury futures contracts