Average Co-Inventor Count = 3.80
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. Sport Maska Inc. (5 from 187 patents)
5 patents:
1. 8881315 - Protective helmet
2. 8418270 - Protective helmet
3. 8336124 - Upper body protective garment
4. 8082602 - Upper body protective garment
5. 7870618 - Adjustment mechanism for a helmet