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. National Formosa University (2 from 49 patents)
2. Tonic Fitness Technology, Inc. (2 from 25 patents)
4 patents:
1. 8581461 - Energy transforming apparatus
2. 7666114 - Electric variable inertia apparatus
3. 6837124 - Directly-driven power swing rod device without dead points
4. 6710491 - Roller device with dynamic function