Average Co-Inventor Count = 3.45
ph-index = 5
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. (4 from 1,623 patents)
2. Panasonic Electric Works, Ltd. (1 from 6 patents)
5 patents:
1. D580665 - Electric massaging chair
2. D536891 - Electric massaging chair
3. D512755 - Exercise device
4. D507312 - Exercise device
5. D502607 - Electric massaging chair