Average Co-Inventor Count = 2.00
ph-index = 5
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. K&n Engineering, Inc. (5 from 159 patents)
5 patents:
1. D403416 - Air filter with top filtering area and tapered sidewall filtering area
2. D403414 - Cylindrical pleated air filter with top and sidewall filtering areas
3. D401942 - Filter cover
4. D401684 - Air Filter
5. D401597 - Shallow cylindrical air filter with top and side filtering areas