Average Co-Inventor Count = 3.20
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 (3 from 58,130 patents)
2. Sony Computer Entertainment Inc. (3 from 1,799 patents)
3. Sony Interactive Entertainment Inc. (1 from 3,057 patents)
4 patents:
1. 9433869 - Information processing device, server, and information processing system
2. 8997012 - Information processing device and information processing system
3. 8849912 - Information processing device, server, and information processing system
4. 8122358 - Method and apparatus for displaying user comment