Average Co-Inventor Count = 3.00
ph-index = 3
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. San-ei Kagaku Co., Ltd. (5 from 23 patents)
5 patents:
1. 7150868 - Composition for blending to hair treating agent and hair treating agent
2. 7052682 - Composition for blending to hair treating agents and a hair treating agent
3. 6939537 - Composition for blending to hair treating agents and a hair treating agent
4. 6878368 - Composition for blending to hair treating agents and a hair treating agent
5. 6835375 - Composition for blending to hair treating agent and a hair treating agent