Average Co-Inventor Count = 3.71
ph-index = 3
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 3,604 patents)
3 patents:
1. 6146805 - Printing method, printer, printed object, and optical disk
2. 6146244 - Substrate produced by using alumina particles as an abrasive
3. 5868604 - Abrasives composition, substrate and process for producing the same, and