Average Co-Inventor Count = 4.19
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 (3 from 58,131 patents)
3 patents:
1. 8300819 - Service providing apparatus and server providing method
2. 7487225 - Registering device and method, information processing device and method, providing device and method, and program storage medium
3. 7174461 - Information providing system, apparatus and method, and program storing medium