Average Co-Inventor Count = 4.29
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. Respironics, Inc. (2 from 166 patents)
2. Ric Investments, Inc. (1 from 297 patents)
3 patents:
1. 8550080 - Cushion for a patient interface
2. D431077 - Nasal mask
3. D362061 - Respiratory mask body