Average Co-Inventor Count = 1.88
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 Soap Company, Ltd. (5 from 341 patents)
5 patents:
1. 4381259 - Shampoo composition employing anionic phosphoric acid ester surfactant
2. 4318901 - Hair cosmetic composition
3. 4259204 - Shampoo composition
4. 4252695 - Hair rinse composition
5. 3960744 - Powder detergent composition