Average Co-Inventor Count = 4.00
ph-index = 3
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. D488352 - Platter
2. D481262 - Plate
3. D478477 - Platter