Average Co-Inventor Count = 3.43
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 Soap Company, Ltd. (2 from 341 patents)
2 patents:
1. 4312777 - Emulsifier composition
2. 4305931 - Powdered compressed cosmetic material