Average Co-Inventor Count = 2.40
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. Johns Manville (5 from 1,011 patents)
5 patents:
1. 7340407 - Sound control method
2. 6758305 - Combination sound-deadening board
3. 6715241 - Lightweight sound-deadening board
4. 6630222 - Acoustic media
5. 6266936 - Sound attenuating and thermal insulating wall and ceiling assembly