Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Masami Tomita0
Date of Patent
October 27, 2009
Patent Application Number
11622477
Date Filed
January 12, 2007
Patent Primary Examiner
Patent abstract
A toner including a binder resin, and a release agent, wherein the following relationships are satisfied:2 μm≦D4≦4 μm (a)0.05 μm≦Dw≦0.3 μm (b)Dw≦0.075×D4 (c)F≦−40×Dw+19 (d)F≦20×Dw+5 (e)wherein D4 is a weight-average particle diameter of the toner, Dw is an average dispersion diameter of the release agent and F is a pulverizability index of the toner.
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