Average Co-Inventor Count = 2.00
ph-index = 4
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 Sportswear North America, Inc. (5 from 194 patents)
5 patents:
1. 8822011 - Multi-layer foam structure
2. D657532 - Vented apparel
3. D643597 - Vented apparel
4. D639529 - Pockets
5. D608079 - Apparel