Patent · US Expired

Developing device, image forming apparatus, and process cartridge

US7035575B2 · kind B2 · utility

19Cited by
50References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 16, 2004
Grant dateApr 25, 2006
Priority date
Expiry dateAug 20, 2024

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2215/0609
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A developing device configured such that an amount of weakly charged toner in a two-component developer passing through an opening in the device per unit time is not greater than 200 g·mm/min, wherein the amount of weakly charged toner is expressed by an equation, which is

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.