Average Co-Inventor Count = 5.62
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. Tonic Fitness Technology, Inc. (3 from 25 patents)
3 patents:
1. 6942603 - Control system of resisting and assisting force for a rehabilitation apparatus
2. 6837124 - Directly-driven power swing rod device without dead points
3. 6677740 - Applied control system of the power periphery of a health apparatus having function of power generation