Average Co-Inventor Count = 3.20
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 58,131 patents)
2 patents:
1. 7487225 - Registering device and method, information processing device and method, providing device and method, and program storage medium
2. 7174461 - Information providing system, apparatus and method, and program storing medium