Average Co-Inventor Count = 4.00
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. Columbia Insurance Company (2 from 1,004 patents)
2 patents:
1. 12187018 - Sound-absorbing article with perforations in backing, surface coverings comprising same, and systems and methods of making and using same
2. 11780204 - Sound-absorbing article with perforations in backing, surface coverings comprising same, and systems and methods of making and using same