Average Co-Inventor Count = 3.00
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 (2 from 3,600 patents)
2 patents:
1. 5196029 - Hair-treatment composition, bleaching composition and hair color tone
2. 5064441 - Hair treatment composition, bleaching composition and hair color tone