Average Co-Inventor Count = 3.00
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. (1 from 3,087 patents)
1 patent:
1. 12080301 - Utilizing inaudible ultrasonic frequencies to embed additional audio asset channels within existing audio channels