Average Co-Inventor Count = 3.53
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. Epos Group A/s (6 from 27 patents)
2. Sennheiser Communications A/s (5 from 53 patents)
11 patents:
1. 12133044 - Headphone sealing cup
2. D1036414 - Headset
3. D1024033 - Microphone
4. D1006789 - Headset
5. 11678104 - Headphone sealing cup
6. D967797 - Headset with hidden boom arm
7. 10531177 - Ear cup with attachment unit
8. D857656 - Headset with adjustable contact pressure (ACP) including a spring system
9. 10231055 - Gaming headset with adjustable contact pressure
10. 9788100 - Headphones with slidable lead element in earphone housings
11. 8792668 - Headphone with a headband