Average Co-Inventor Count = 4.20
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. Kao Corporation (2 from 3,602 patents)
2 patents:
1. 8574560 - Hair styling method
2. 6190648 - Hair cosmetics