Average Co-Inventor Count = 1.60
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 Corporation (2 from 58,132 patents)
2. Sony Disc & Digital Solutions Inc. (1 from 39 patents)
2 patents:
1. 8774597 - Information processing apparatus, information recording medium, information processing method, and program
2. 8270275 - Information processing device, disc, information processing method, and program