Average Co-Inventor Count = 3.16
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. Merrill, Lynch, Pierce, Fenner & Smith (2 from 14 patents)
2. Merril Lynch, Pierce, Fenner & Smith Inc. (1 from 1 patent)
3 patents:
1. 6269346 - Stock option control and exercise system
2. 6173270 - Stock option control and exercise system
3. 5671363 - Private stock option account control and exercise system