Average Co-Inventor Count = 2.82
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. (4 from 3,048 patents)
4 patents:
1. 12067998 - Operation device
2. 11984133 - Operation device
3. 11749293 - Audio signal processing device
4. 11694705 - Sound signal processing system apparatus for avoiding adverse effects on speech recognition