Average Co-Inventor Count = 4.13
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. Matsushita Electric Works, Ltd. (3 from 1,623 patents)
3 patents:
1. 6491652 - Massage device with flexible support straps
2. 6336907 - Massaging system
3. 5586387 - Automated part assembly machine