Average Co-Inventor Count = 2.00
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. Hitachi Koki Imaging Solutions, Inc. (2 from 9 patents)
2 patents:
1. 6224661 - Semi-solid pigmented ink for marking porous media
2. 6099631 - Ink development processes for the preparation of pigmented solid inks