Average Co-Inventor Count = 4.09
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 (3 from 1,005 patents)
3 patents:
1. 12326333 - System and method for testing a surface
2. 12079302 - Turf playability testing
3. 11747128 - System and method for testing a surface