Average Co-Inventor Count = 4.09
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 (3 from 3,600 patents)
3 patents:
1. 5929283 - Amine derivative and detergent composition containing the same
2. 5801270 - Amine derivative and detergent composition containing the same
3. 5696071 - Tris (3-aminopropyl)amine derivative and detergent composition