Average Co-Inventor Count = 15.29
ph-index = 2
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. Fisher & Paykel Healthcare Limited (3 from 1,221 patents)
3 patents:
1. D1073058 - Nasal mask
2. 12121663 - Frame and headgear for respiratory mask system
3. D990661 - Nasal mask