Average Co-Inventor Count = 2.67
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. The Nasdaq Omx Group, Inc. (1 from 58 patents)
2. The Nasdaq Stock Market, Inc. (1 from 13 patents)
2 patents:
1. 8407116 - Quote/order processing in electronic market system
2. 7209896 - Locked/crossed quote handling