Average Co-Inventor Count = 2.05
ph-index = 6
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. (7 from 1,623 patents)
7 patents:
1. D342345 - Electric hair clipper
2. D304866 - Electric shaver
3. D296655 - Combined electric drill and screwdriver
4. D294740 - Hair dryer casing
5. 4701595 - Portable hand-held electric hair dryer with a retractable hand grip
6. D290887 - Electric shaver
7. D289566 - Hair dryer