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. Asics Corporation (4 from 509 patents)
4 patents:
1. 6986167 - Protective headgear
2. D500894 - Wrestling head gear
3. D500179 - Wrestling ear guard
4. D499847 - Wrestling ear guard