Average Co-Inventor Count = 1.00
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. Ambu International A/s (5 from 21 patents)
5 patents:
1. 6726643 - Automatic adjustable cervical collar
2. 6245033 - Adjustable cervical collar
3. 5993403 - Adjustable cervical collar
4. 5728054 - Adjustable cervical collar
5. 5520619 - Adjustable cervical collar