Average Co-Inventor Count = 3.20
ph-index = 4
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 (4 from 2,335 patents)
2. Sony Corporation (3 from 58,130 patents)
3. Sony Corporation of America (1 from 198 patents)
4 patents:
1. 6005579 - User interface for displaying windows on a rectangular parallelepiped
2. 6002403 - Graphical navigation control for selecting applications on visual walls
3. 5983369 - Online simultaneous/altering-audio/video/voice data based service and
4. 5745109 - Menu display interface with miniature windows corresponding to each page