Average Co-Inventor Count = 2.57
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. Sony Online Entertainment LLC (2 from 27 patents)
2. Sony Interactive Entertainment America LLC (1 from 324 patents)
3 patents:
1. 9430897 - Secure transfer of digital objects
2. 8799168 - Secure transfer of online privileges including non-financial options
3. 8192286 - System for secure transfer of online privileges