Average Co-Inventor Count = 2.00
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 Corporation (2 from 58,129 patents)
2. Sony Pictures Entertainment, Inc. (2 from 252 patents)
2 patents:
1. 7908618 - System and method for monitoring and recovering the state of user participation in interactive broadcasts
2. 7584491 - System and method for managing interactive programming and advertisements in interactive broadcast systems