Average Co-Inventor Count = 4.21
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. Panasonic Electric Works Co., Ltd. (3 from 394 patents)
2. Panasonic Corporation (1 from 16,453 patents)
4 patents:
1. 8323156 - Leg training equipment
2. 7963887 - Exercise assist device
3. 7931573 - Exercise assisting apparatus
4. 7914427 - Exercise assisting apparatus