Average Co-Inventor Count = 4.44
ph-index = 1
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 (2 from 320 patents)
2 patents:
1. 10034804 - Adjustable seat
2. 8919797 - Wheelchair seat assembly