US Patent 7713671 Semispherical toner having plural dents
Patent 7713671 was granted and assigned to RICOH COMPANY,LTD. on May, 2010 by the United States Patent and Trademark Office.
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Patent abstract
A toner, which is semispherical and has plural dents on the surface, including a binder resin; and a pigment, wherein a circle circumscribing a circular profile of the toner provides an average envelopability (AE) of 10 to 10,000 particles thereof of from 74 to 84%, which is measured by the following formula:AE(%)=(AC−AD)/AC×100wherein AC is an area of the circle and AD is a total sum of areas of the dents.
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US Patent 07713671 Semispherical toner having plural dents US Patent 7713671 Semispherical toner having plural dents
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Patent Number
0771367100
Patent Number
771367100
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Infobox
Is a
Current Assignee
0
Patent Jurisdiction
Patent Number
077136710
Date of Patent
May 11, 2010
0Patent Application Number
117766930
Date Filed
July 12, 2007
0Official Website
Patent Primary Examiner
Edits on 27 Sep, 2022
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Infobox
Is a
Current Assignee
0
Patent Jurisdiction
Patent Number
077136710
Date of Patent
May 11, 2010
0Patent Application Number
117766930
Date Filed
July 12, 2007
0Official Website
Patent Primary Examiner
Edits on 18 Jun, 2022
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US Patent 07713671 Semispherical toner having plural dents
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07713671
Date of patent
May 11, 2010
Patent application number
11776693
Date Filed
July 12, 2007
Patent primary examiner
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