Average Co-Inventor Count = 2.40
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. Riso Kagaku Corporation (3 from 1,074 patents)
3 patents:
1. 9720634 - Print control device
2. 9489155 - Image processing device
3. 7085437 - Document modification apparatus and image processing apparatus