Average Co-Inventor Count = 7.00
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 Corporation (1 from 3,601 patents)
1 patent:
1. 5696070 - Quarternary ammonium salt, method for production thereof, and softener