Average Co-Inventor Count = 4.29
ph-index = 8
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. Riddell, Inc. (9 from 133 patents)
9 patents:
1. 10932514 - Protective sports helmet
2. 10143257 - Protective sports helmet
3. 10136692 - Sports helmet
4. 8938818 - Sports helmet
5. 8528118 - Sports helmet
6. 7954177 - Sports helmet
7. 7240376 - Sports helmet
8. 6934971 - Football helmet
9. 6871525 - Method and apparatus for testing football helmets