Average Co-Inventor Count = 1.56
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. Adam Hall Gmbh (7 from 13 patents)
7 patents:
1. D903917 - Lighting device
2. D857647 - Loudspeaker
3. D847785 - Speaker
4. D813838 - Loudspeaker
5. 9860619 - Loudspeaker box arrangement and loudspeaker box
6. D803809 - Speaker system
7. D776638 - Loudspeaker