Average Co-Inventor Count = 3.33
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 (4 from 58,130 patents)
2. Sony Group Corporation (1 from 3,458 patents)
5 patents:
1. 11779807 - Information processing system
2. 11198036 - Information processing system
3. 10716968 - Information processing system
4. 8041047 - Plug, sound inputting and outputting apparatus, and noise cancel system
5. 7553195 - Plug