Average Co-Inventor Count = 2.25
ph-index = 4
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. Matsushita Electric Works Co., Ltd. (1 from 5 patents)
3. Panasonic Electric Works Powertool Co., Ltd. (1 from 1 patent)
6 patents:
1. D676730 - Electric screwdriver
2. D588743 - Electric depilator
3. D578252 - Electric depilator
4. D577862 - Electric depilator
5. D577863 - Electric shaver
6. D489183 - Electronic toothbrush body