Average Co-Inventor Count = 5.09
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. Litton Systems, Inc. (2 from 1,258 patents)
2 patents:
1. D412577 - Oxygen concentrator used in home health care
2. 5549736 - Modular, stackable pressure swing absorption concentrator