Average Co-Inventor Count = 2.57
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. Sony Interactive Entertainment Inc. (2 from 3,052 patents)
2. Sony Interactive Entertainment Europe Limited (1 from 70 patents)
3 patents:
1. 11938407 - Player identification system and method
2. 11673055 - System and method of challenge generation
3. 11182616 - System and method for obtaining image content