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US Patent 10338486 Electrophotographic photosensitive member and electrophotographic apparatus

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Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

Patent Inventor Names

Yukihiro Abe0

Kazunari Ooyama0

Takanori Ueno0

Yasuo Kojima0

Hironori Owaki0

Jun Ohira0

Date of Patent

July 2, 2019

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Patent Application Number

161205630

Date Filed

September 4, 2018

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Patent Citations Received

US Patent 11556082 Intermediary transfer belt, manufacturing method of the intermediary transfer belt, and image forming apparatus

US Patent 10895840 Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus

US Patent 10838314 Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus

US Patent 11269282 Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus

US Patent 10921723 Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus

US Patent 10705440 Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus

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Patent abstract

An average value of a hydrogen content ratio of a surface layer made of hydrogenated amorphous carbon is set to be 0.40 or less and a maximum value of an sp2 bonding ratio in an outermost surface region of the surface layer made of the hydrogenated amorphous carbon is set to be 0.50 or less.

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