Average Co-Inventor Count = 4.00
ph-index = 2
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. Sport Maska Inc. (2 from 187 patents)
2 patents:
1. D797997 - Helmet visor
2. 9226539 - Helmet with rigid shell and adjustable liner