Average Co-Inventor Count = 2.32
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 Corporation (6 from 58,131 patents)
2. Sony Group Corporation (3,475 patents)
6 patents:
1. 9918157 - Headphone type acoustic apparatus and control method therefor
2. D797706 - Headphone
3. 9693129 - Headphone type acoustic apparatus
4. 7929040 - Recording and reproducing device including a movable unit
5. 7636121 - Recording and reproducing device
6. 6691920 - Recording and/or reproducing device and method for loading storage medium