Average Co-Inventor Count = 2.03
ph-index = 4
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 3,600 patents)
2. Dentsu Tec, Inc. (2 from 4 patents)
6 patents:
1. 9132289 - Two-layer separate type hair cosmetic composition
2. 8674036 - Hair cosmetic
3. 7577579 - Method of predicting sales based on triple-axis mapping of customer value
4. 7039607 - System for evaluating a company's customer equity
5. 6746492 - Semipermanent hair dye composition
6. 6071504 - Hair treatment composition comprising alkalizing agent