Average Co-Inventor Count = 3.43
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. Deutschetelekom Ag (2 from 700 patents)
2 patents:
1. 9883346 - Method and system for obtaining distanced audio by a portable device
2. 9788101 - Method for increasing the awareness of headphone users, using selective audio