Average Co-Inventor Count = 2.00
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. Kao Germany Gmbh (2 from 119 patents)
2. Kao Corporation (3,603 patents)
2 patents:
1. 10196520 - Direct dyes and composition comprising the dyes
2. 9498417 - Bleaching and colouring composition for hair