Average Co-Inventor Count = 3.00
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 (2 from 58,132 patents)
2 patents:
1. 7003496 - Terminal apparatus, information service center, transmitting system, and transmitting method
2. 6477506 - Terminal apparatus, information service center, transmitting system, and transmitting method