Average Co-Inventor Count = 1.78
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 (8 from 1,074 patents)
8 patents:
1. 8011298 - System for supplying ink and ink container
2. 7819056 - Method of and system for stencil printing and ink container
3. 7536950 - Stencil printing system with print pressure controlling means
4. 7530304 - Stencil printing system with rotational speed control of the print drum
5. 7441498 - Image forming system
6. 7430961 - Method of and system for forming image and an expendable
7. 7344213 - Method and system for calculating ink residue and ink container
8. 6532868 - Stencil making and printing system, control method, and stencil making and printing machine