Average Co-Inventor Count = 3.50
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 (7 from 114 patents)
7 patents:
1. 12145023 - Motor brake device for exercise apparatus
2. 11944864 - Motor brake device for exercise apparatus
3. RE48306 - Stair exerciser apparatus
4. RE47331 - Stair exerciser apparatus
5. 8974353 - Stair exerciser apparatus
6. 8702571 - Stair exerciser apparatus
7. 7582043 - Stationary exercise apparatus