Average Co-Inventor Count = 2.74
ph-index = 7
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. Martin Audio Limited (8 from 24 patents)
8 patents:
1. 10506331 - Coaxial loudspeaker
2. 9967652 - Coaxial loudspeaker apparatus
3. D762618 - Loudspeaker
4. D727292 - Loudspeaker
5. D641006 - Loudspeaker
6. D574364 - Side panel for a loud speaker
7. D568869 - Loudspeaker
8. D568870 - Loudspeaker