Average Co-Inventor Count = 4.69
ph-index = 7
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 Computer Entertainment America LLC (7 from 386 patents)
2. Sony Interactive Entertainment America LLC (3 from 324 patents)
10 patents:
1. RE48802 - Method for ladder ranking in a game
2. RE48803 - Method for ladder ranking in a game
3. RE48700 - Method for ladder ranking in a game
4. 8032619 - Environment information server
5. 7962549 - Method for ladder ranking in a game
6. 7930345 - Method for authenticating a user in an interactive gaming environment
7. 7877509 - Balancing distribution of participants in a gaming environment
8. 7822809 - Creating an interactive gaming environment
9. 7711847 - Managing users in a multi-user network game environment
10. 7613800 - Communication across multiple game applications