Average Co-Inventor Count = 4.61
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 (3 from 3,601 patents)
3 patents:
1. 11147754 - Powder composition comprising hair direct dyes
2. 11045402 - Hair cosmetic composition
3. 10959925 - Hair cosmetic composition