Average Co-Inventor Count = 4.00
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. Footwear & Recreation Technology Research Institute (2 from 3 patents)
2. Other (1 from 832,843 patents)
3. Lin, Ching-ming (0 patent)
2 patents:
1. 9333980 - Assistance device for climbing stairs
2. 9192213 - Adjustable cane with memory function