Toner for electrophotography and image forming apparatus
US7258959B2 · kind B2 · utility
21Cited by
4References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 26, 2005 |
| Grant date | Aug 21, 2007 |
| Priority date | — |
| Expiry date | Sep 26, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/09766
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The object of the present invention is to provide a developer having a sharp charge amount distribution and bringing out high-quality image without substantially smearing a charging unit, developing units, a photoconductor, and an intermediate transferring member by the developer, namely, a developer capable of providing an appropriate image density and exhibiting extremely little background smear even when used over a long period of time and repeatedly used for a number of sheets of paper as well as to provide an image forming apparatus for electrophotography using the developer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.