Average Co-Inventor Count = 3.12
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. Johnson Health Tech Co., Ltd (2 from 115 patents)
2. National Taiwan University (1 from 1,716 patents)
3. Johnson Health Tech. (1 from 4 patents)
4 patents:
1. 11749965 - Transistor for emitting laser with a fixed frequency
2. 10398933 - Exercise apparatus
3. 10252141 - Exercise apparatus with temperature variable handle assembly
4. 7682290 - Stationary exercise apparatus