Average Co-Inventor Count = 3.00
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. Drexel University (4 from 654 patents)
2. Drexal University (1 from 1 patent)
5 patents:
1. 9492306 - Cervical spine protection apparatus and methods of use
2. 8990962 - Cervical spine protection apparatus and methods of use
3. 8683612 - Cervical spine protection apparatus and methods of use
4. 8528113 - Cervical spine protection apparatus and methods of use
5. 8341770 - Cervical spine protection apparatus and methods of use