Average Co-Inventor Count = 3.00
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 58,129 patents)
2. Sony Electronics Inc (3 from 2,335 patents)
3 patents:
1. 8755494 - Method and apparatus for voice interactive messaging
2. 8345830 - Method and apparatus for voice interactive messaging
3. 7570746 - Method and apparatus for voice interactive messaging