Average Co-Inventor Count = 2.00
ph-index = 1
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. Alsthom (1 from 61 patents)
2. Vibrachoc (1 from 14 patents)
1 patent:
1. 4817757 - Wall covering for absorbing sound waves in a liquid medium