Average Co-Inventor Count = 1.50
ph-index = 3
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 58,130 patents)
3 patents:
1. 7120859 - Device for producing multimedia presentation
2. 7031596 - Digital video reproduction method, digital video reproducing apparatus and digital video recording and reproducing apparatus
3. 6983426 - Method and apparatus for displaying content in an array hierarchical structure