Average Co-Inventor Count = 2.82
ph-index = 2
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 (4 from 3,603 patents)
4 patents:
1. 8007773 - Hair cosmetic composition
2. 7981405 - Cosmetic hair preparation
3. 7943119 - Hair cosmetic composition
4. 7562661 - Hair warming tool and hair treating method