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US Patent 7937020 Electrophotographic image forming apparatus

OverviewStructured DataIssuesContributorsActivity
Is a
Patent
Patent
0
Date Filed
March 26, 2010
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Date of Patent
May 3, 2011
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Patent Application Number
12732558
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Patent Citations Received
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US Patent 12007714 Image forming apparatus including coupling member selectively coupled to photosensitive drum
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US Patent 11754970 Process cartridge having a protrusion with a surface configured to receive a force to move a frame of the process cartridge
Patent Inventor Names
Chikara Imaizumi
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Hiromi Sakurai
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Tomio Noguchi
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
7937020
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Patent Primary Examiner
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Ryan D Walsh
0

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