Average Co-Inventor Count = 2.40
ph-index = 2
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. Quantum Intech, Inc. (2 from 8 patents)
2 patents:
1. 8543197 - Portable device and method for measuring heart rate
2. D554266 - Portable device for measuring heart rate