Patent · US Active

Two-component developing agent and developing method

US8765347B2 · kind B2 · utility

0Cited by

0References

16Claims

0Family size

Assignee

Konica Minolta Business Technologies, Inc. · JP

Inventors

Kosuke Nakamura · Kyoto, JP
Okushi Okuyama · Tokyo, JP

Key dates

Filing date	Dec 27, 2012
Grant date	Jul 1, 2014
Priority date	—
Expiry date	Dec 27, 2032

Classification

Technology area (CPC G)Physics
CPC primaryG03G9/1133
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A two-component developing agent includes toner and a carrier including carrier particles. The toner includes a binding resin. The carrier particle includes a porous ferrite core particle and a resin covering layer. The resin covering layer covers the porous ferrite core particle. The resin covering layer includes ferrite particles. An average particle diameter of the ferrite particles ranges from 0.1 to 1.0 μm.

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