Average Co-Inventor Count = 2.40
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 (2 from 3,601 patents)
2 patents:
1. 12152149 - Asphalt composition
2. 11958975 - Asphalt composition