Average Co-Inventor Count = 4.00
ph-index = 1
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. Okamoto Corporation (2 from 37 patents)
2 patents:
1. D903294 - Sock with nonslip part
2. D855305 - Sock with nonslip part