Average Co-Inventor Count = 7.50
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. (2 from 1,623 patents)
2 patents:
1. 6196236 - Ultrasonic hair curling device
2. 5916222 - Hand-held depilating device with a pain masking stimulator