Average Co-Inventor Count = 3.20
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 Interactive Entertainment Inc. (3 from 3,063 patents)
2. Sony Computer Entertainment Inc. (1 from 1,799 patents)
4 patents:
1. 12090392 - Operation input device and button driving unit
2. 11806614 - Manipulation input device
3. 11439897 - Manipulation input device
4. 8298090 - Attachment for game controller and controller assembly