Average Co-Inventor Count = 5.83
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. Dainippon Ink and Chemicals, Incorporated (2 from 630 patents)
2 patents:
1. 6534229 - Developer for electrostatic image development
2. 6248493 - Toner for non-magnetic single component development