Average Co-Inventor Count = 2.40
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. Koninklijke Philips Corporation N.v. (3 from 21,361 patents)
3 patents:
1. 11110241 - Fabric cushion member
2. 9302065 - Patient interface device with adjustable headgear and frame
3. 9242061 - Fluid coupling conduit with exhaust gas noise reduction