Average Co-Inventor Count = 3.57
ph-index = 6
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. Laerdal Medical Corporation (7 from 13 patents)
7 patents:
1. 7120954 - Head immobilizer
2. 6691703 - CPR barrier device
3. 6637057 - Head immobilizer
4. D479878 - Immobilizer
5. 6090058 - Multiple-size cervical collar
6. 5795315 - Multiple-size cervical collar
7. D393718 - Cervical collar