Average Co-Inventor Count = 7.00
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 (2 from 3,604 patents)
2 patents:
1. 6146805 - Printing method, printer, printed object, and optical disk
2. 6077582 - Optical disc, process for producing the optical disc and its