Average Co-Inventor Count = 3.43
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. Ume Voice, Inc. (5 from 11 patents)
5 patents:
1. D476645 - Articulating reversible headpiece
2. 6285772 - Noise control device
3. D428408 - Element for a noise cancellation device
4. D427999 - Element for a noise cancellation device
5. D427998 - Noise cancellation device