Average Co-Inventor Count = 3.60
ph-index = 3
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. United States Gypsum Company (1 from 722 patents)
3. Knauf Gips Kg (73 patents)
3 patents:
1. RE46131 - Acoustical tile
2. 8975321 - Compositions suitable for use as joint compounds and related methods
3. 8309231 - Acoustical tile