Average Co-Inventor Count = 6.81
ph-index = 6
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. Tearscience, Inc. (3 from 70 patents)
2. Ric Investments, Inc. (2 from 297 patents)
3. Koninklijke Philips Corporation N.v. (1 from 21,402 patents)
6 patents:
1. 10105099 - Nasal and oral patient interfaces
2. 8616203 - Nasal and oral patient interfaces
3. 8161971 - Nasal and oral patient interface
4. D617443 - Eye treatment goggles
5. D614303 - Eye treatment apparatus
6. D613408 - Eye treatment head gear