Average Co-Inventor Count = 4.86
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. 6030347 - Biological-signal detecting device
2. 5993401 - Relax inducing device with heartbeat detection unit
3. 5792080 - Massaging apparatus having self-adjusting constant strength and