Average Co-Inventor Count = 2.00
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. Kao Soap Company, Ltd. (3 from 341 patents)
3 patents:
1. 4520008 - Hair setting lotion
2. 4402936 - Preshampoo-type hair-treating composition
3. 4378345 - Hair setting composition