Average Co-Inventor Count = 3.43
ph-index = 2
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 (1 from 3,600 patents)
2. Kao Soap Company, Ltd. (1 from 341 patents)
2 patents:
1. 4811152 - Protective structure for jacket for rotatable magnetic recording media
2. 4175051 - Scouring pad containing phosphoric acid ester-fatty acid soap mixtures