Average Co-Inventor Count = 1.64
ph-index = 6
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 (6 from 81 patents)
6 patents:
1. D905001 - Headphone
2. D837185 - Speaker
3. D830993 - Foldable headphone
4. D830331 - Foldable headphone
5. D823854 - Flip cover
6. D814439 - Foldable headphone