Average Co-Inventor Count = 6.22
ph-index = 4
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 (2 from 115 patents)
2. Johnson Health Tech. (2 from 4 patents)
4 patents:
1. 8092349 - Stationary exercise apparatus
2. 7722505 - Stationary exercise apparatus
3. 7654936 - Stationary exercise apparatus
4. 7524272 - Exercise machine with semi-dependent retraction system