Average Co-Inventor Count = 3.43
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. Invacare Corporation (3 from 320 patents)
3 patents:
1. 8272084 - Patient lift with hanger bar attachment
2. 8250687 - Patient lift with adjustable knee pads and sling hooks
3. D590565 - Stand-up lift