Average Co-Inventor Count = 6.13
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 (4 from 58,129 patents)
4 patents:
1. 7890580 - Communication method, communication device, and program
2. 7761513 - Information recording device, information recording method, and information recording program
3. 7756993 - Reproducing apparatus, reproducing method, and reproducing program
4. 7631036 - Communication method, communication device, and program