Average Co-Inventor Count = 3.75
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 (4 from 320 patents)
4 patents:
1. 10130534 - Method and apparatus for automated positioning of user support surfaces in power driven wheelchair
2. 9522091 - Method and apparatus for automated positioning of user support surfaces in power driven wheelchair
3. 8646551 - Power driven wheelchair
4. 8127875 - Power driven wheelchair