Average Co-Inventor Count = 4.00
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. Usg Interiors, Inc. (2 from 278 patents)
2 patents:
1. RE46131 - Acoustical tile
2. 8309231 - Acoustical tile