Average Co-Inventor Count = 1.18
ph-index = 14
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. Zound Industries International Ab (19 from 81 patents)
20 patents:
1. D1033346 - Case
2. D1015306 - Earbud
3. D1006780 - Headphone/headset
4. D901435 - Headphone
5. D871366 - Headphone
6. D870064 - Headphone
7. D830993 - Foldable headphone
8. D830330 - Foldable headphone
9. D830331 - Foldable headphone
10. D823260 - Data transmission cable
11. D820808 - Headphone headset
12. D812037 - Foldable headphone
13. D812035 - Headphone headset
14. D811362 - Headphone headset
15. D781821 - Earphone