Average Co-Inventor Count = 1.29
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 Group Corporation (3 from 3,458 patents)
3 patents:
1. D1050068 - Speaker
2. D1021844 - Wearable speaker
3. D994632 - Speaker