Average Co-Inventor Count = 8.37
ph-index = 4
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. Koninklijke Philips Corporation N.v. (2 from 21,443 patents)
2. Ric Investments, Inc. (2 from 297 patents)
3. Respironics, Inc. (1 from 166 patents)
5 patents:
1. D917042 - Nasal cannula
2. 10105099 - Nasal and oral patient interfaces
3. 8616203 - Nasal and oral patient interfaces
4. 8161971 - Nasal and oral patient interface
5. 7004168 - Face mask for gas monitoring during supplemental oxygen delivery