Average Co-Inventor Count = 5.00
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. Matsushita Electric Works, Ltd. (1 from 1,623 patents)
2. Panasonic Electric Works Co., Ltd. (1 from 394 patents)
2 patents:
1. 7947002 - Massage machine
2. 7207956 - Massage machine