Average Co-Inventor Count = 2.00
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 Communications A/s (3 from 53 patents)
3 patents:
1. D851628 - Headset including a headband
2. D847784 - Headset including a neckband
3. D847783 - Headset including an earhook