Average Co-Inventor Count = 4.00
ph-index = 1
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. International Business Machines Corporation (3 from 164,108 patents)
3 patents:
1. 8127228 - Managing electronic documents utilizing a digital seal
2. 7725821 - Managing electronic documents utilizing a digital seal
3. 7689912 - Managing electronic documents utilizing a digital seal