Average Co-Inventor Count = 5.71
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 Electronics Inc (2 from 2,335 patents)
2. Sony Corporation (1 from 58,129 patents)
3. Sony Corportion (1 from 21 patents)
2 patents:
1. 6163345 - Method and apparatus for providing station and programming information
2. 5596373 - Method and apparatus for providing program oriented information in a