Average Co-Inventor Count = 2.40
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. Sennheiser Electronic Gmbh & Co Kg (3 from 296 patents)
3 patents:
1. 10827253 - Earphone having separate microphones for binaural recordings and for telephoning
2. 9936108 - Audio and/or video transmission system
3. 9584917 - Microphone unit, pocket transmitter and wireless audio system