Average Co-Inventor Count = 3.30
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. (3 from 1,623 patents)
2. Panasonic Intellectual Property Management Co., Ltd. (2 from 13,307 patents)
3. Panasonic Electric Works Co., Ltd. (1 from 394 patents)
6 patents:
1. 9931003 - Beauty device, body of beauty device, and head of beauty device
2. 9421146 - Cosmetic device
3. 7757404 - Personal trimming system
4. 7055529 - Method and apparatus for curling eyelashes in several bunches
5. 6730100 - Depilating device
6. 6662809 - Eyelash curler