Average Co-Inventor Count = 1.15
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. Johnson Health Tech Co., Ltd (5 from 114 patents)
5 patents:
1. 9662535 - Elliptical exercise apparatus
2. 9463351 - Elliptical exercise apparatus
3. 8663070 - Elliptical exercise apparatus
4. 7946962 - Elliptical exercise apparatus
5. 7854691 - Exercise apparatus