Average Co-Inventor Count = 4.00
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. Nellcor Puritan Bennett Incorporated (2 from 404 patents)
2. Nellcor Incorporated (2 from 55 patents)
4 patents:
1. 5885213 - Method and apparatus for reducing ambient noise effects in electronic
2. 5713355 - Method and apparatus for reducing ambient noise effects in electronic
3. 5555882 - Method and apparatus for reducing ambient noise effects in electronic
4. 5368224 - Method for reducing ambient noise effects in electronic monitoring