Average Co-Inventor Count = 1.85
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. 3m Innovative Properties Company (4 from 14,076 patents)
4 patents:
1. 10398406 - One piece stethoscope diaphragm
2. 10213181 - Stethoscope diaphragm
3. D820981 - Stethoscope chestpiece
4. D740415 - Stethoscope chestpiece