Average Co-Inventor Count = 3.11
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. Panasonic Corporation (4 from 16,453 patents)
4 patents:
1. D697264 - Electric hair clipper
2. D674554 - Electric shaver
3. D674143 - Electric shaver
4. D672090 - Electric shaver