Average Co-Inventor Count = 5.09
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 1,005 patents)
2 patents:
1. 12280393 - Porous fabric or sleeve covering for paint roller cover
2. 8702862 - Universal VOC-free metallic/pearlescent colorants