Average Co-Inventor Count = 2.18
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 Computer Entertainment Inc. (4 from 1,799 patents)
2. Sony Corporation (2 from 58,129 patents)
3. Sony Interactive Entertainment Inc. (3,052 patents)
4 patents:
1. 8662297 - Cover for portable electronic device
2. 8607975 - Case for portable electronic device
3. D685858 - Protective sheet
4. D671319 - Case for electronic device