Average Co-Inventor Count = 2.00
ph-index = 2
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. Elan Home Systems (2 from 12 patents)
2 patents:
1. D549689 - In-ceiling speaker
2. D549691 - Surround dipole speaker