Average Co-Inventor Count = 3.33
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. Penson Worldwide, Inc. (3 from 4 patents)
2. Verticlear, Inc. (2 from 2 patents)
3. Tactico Inc. (0 patent)
5 patents:
1. 8533101 - Systems and methods for compression of trade-related records
2. 8321325 - Systems and methods for compression of trade-related records
3. 8156035 - Modeling financial instruments using bid and ask prices
4. 8090644 - Modeling financial instruments using bid and ask prices
5. 7542939 - Modeling financial instruments using bid and ask prices