Average Co-Inventor Count = 3.26
ph-index = 3
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. Gentex Corporation (4 from 1,407 patents)
2. Other (1 from 832,880 patents)
5 patents:
1. D875322 - Helmet retention system
2. D854756 - Helmet retention system
3. D810362 - Helmet retention system
4. 8091144 - Flameproof, heat resistant, one-piece escape suit
5. 7124449 - Protective helmet assembly having lightweight suspension system