Average Co-Inventor Count = 6.00
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. Colin Corporation (4 from 132 patents)
4 patents:
1. 6547742 - Apparatus for measuring pulse-wave propagation velocity
2. 6368282 - Apparatus for measuring pulse-wave propagation velocity
3. 6120456 - Apparatus for measuring pulse-wave propagation velocity
4. 5743856 - Apparatus for measuring pulse-wave propagation velocity