Average Co-Inventor Count = 2.00
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. (8 from 1,623 patents)
8 patents:
1. D304774 - Electric shaver
2. D302740 - Electric shaver
3. D301496 - Motor-driven screw driver
4. D296655 - Combined electric drill and screwdriver
5. D295682 - Hair clipper casing
6. D295564 - Electric shaver casing
7. D289566 - Hair dryer
8. D268371 - Electric shaver