Average Co-Inventor Count = 2.77
ph-index = 3
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 Ericsson Mobile Communications Ab (3 from 1,101 patents)
3 patents:
1. 8295505 - Earphone with controllable leakage of surrounding sound and device therefor
2. 8073137 - Audio headset
3. 7996496 - Remote user interface in multiphone environment