Average Co-Inventor Count = 2.31
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. Zound Industries International Ab (5 from 81 patents)
5 patents:
1. 11137792 - Controllable device and a knob for controlling a function of the controllable device
2. D830993 - Foldable headphone
3. D830331 - Foldable headphone
4. D820808 - Headphone headset
5. D817302 - Headphone