Average Co-Inventor Count = 2.61
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. (5 from 1,623 patents)
5 patents:
1. D459419 - Physical training instrument
2. D425241 - Handheld electric face cleaner
3. 5223694 - Hair styling iron for straightening and curling
4. D328654 - Nail polisher
5. D326166 - Electric shaver