Average Co-Inventor Count = 2.29
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 (4 from 58,129 patents)
4 patents:
1. 8963989 - Data distribution apparatus, data distribution method, and program
2. 8291100 - Service managing apparatus and method, and service providing system and method
3. 8279295 - Image delivery apparatus, image delivery system, image delivery method and program
4. 7389093 - Call method, call apparatus and call system