Average Co-Inventor Count = 1.20
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. Ventrex, Inc. (1 from 2 patents)
2. Seatronics Company, Inc. (1 from 2 patents)
3. Caldyne, Inc. (1 from 1 patent)
3 patents:
1. 7172557 - Spirometer, display and method
2. 6149603 - Method and apparatus for determining whether an intubated patient has
3. D307559 - Oxygen sensor