Average Co-Inventor Count = 3.43
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. Merrill, Lynch, Pierce, Fenner & Smith (2 from 14 patents)
2 patents:
1. 5297032 - Securities trading workstation
2. 4674044 - Automated securities trading system