Average Co-Inventor Count = 5.25
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. Codman & Shurtleff, Inc. (3 from 217 patents)
2. Endotronix, Inc. (1 from 33 patents)
4 patents:
1. 9538958 - Permittivity shielding
2. 8282566 - Pressure sensing valve
3. 8192366 - Method for measuring ventricular pressure using a pressure sensing valve
4. 7510533 - Pressure sensing valve