Average Co-Inventor Count = 3.00
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. Inogen, Inc. (2 from 61 patents)
2 patents:
1. 7753996 - Portable gas fractionalization system
2. 7438745 - Portable gas fractionalization system