Average Co-Inventor Count = 1.11
ph-index = 9
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 (13 from 296 patents)
2. Sennheiser Communications A/s (2 from 53 patents)
15 patents:
1. D741286 - Headphones
2. D731997 - Transmitter for a headphone
3. D690284 - Headphones
4. D604266 - Headphones
5. D600674 - Headphone
6. D584715 - Headphone
7. D574013 - Audio-visual play-back device for sound or image
8. D569372 - Headset
9. D569369 - Headset
10. D565556 - Headset
11. D565025 - Headset
12. D565026 - Headset
13. D565034 - Headset
14. D535975 - Communication headset
15. D535286 - Communication headset