Average Co-Inventor Count = 2.67
ph-index = 7
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. Other (2 from 832,718 patents)
2. University Health Network (2 from 291 patents)
3. Sunnybrook and Women's College Health Sciences Centre (2 from 11 patents)
4. Toronto Rehabilitation Institute (1 from 3 patents)
5. Sunnybrook & Women's College Health Science Centre (1 from 1 patent)
8 patents:
1. 8403299 - Lifting assist device
2. 8280561 - Powered wheelchair
3. 8128065 - Lifting assist device
4. 6938285 - Patient transfer device
5. 6209670 - Clutch for multi-directional transportation device
6. 6179076 - Motorized chair base
7. 5445233 - Multi-directional motorized wheelchair
8. 5348336 - Walking aid