US Patent 7548349 Image forming apparatus to prevent toner deformation
Patent 7548349 was granted and assigned to RICOH COMPANY,LTD. on June, 2009 by the United States Patent and Trademark Office.
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Patent Inventor Names
Bing Shu0
Koji Suzuki0
Mitsuo Aoki0
Shigeru Watanabe0
Tadashi Kasai0
Yasushi Koichi0
Yutaka Takahashi0
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Patent abstract
In an image forming apparatus configured to electrostatically transfer a toner image formed on an image carrier to a recording medium with image transferring means of the present invention, pressure is applied between the image carrier and the image transferring means. Toner is provided with relatively high hardness in accordance with the pressure beforehand. Image transfer is effected by reducing a potential difference between the image carrier and the recording medium while maintaining an electric field around the toner the same.
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US Patent 07548349 Image forming apparatus to prevent toner deformation US Patent 7548349 Image forming apparatus to prevent toner deformation
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Patent Number
075483490
Patent Number
75483490
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Infobox
Is a
Current Assignee
0
Patent Jurisdiction
Patent Number
075483490
Date of Patent
June 16, 2009
0Patent Application Number
106507540
Date Filed
August 29, 2003
0Official Website
Patent Primary Examiner
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US Patent 07548349 Image forming apparatus to prevent toner deformation
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07548349
Date of patent
June 16, 2009
Patent application number
10650754
Date Filed
August 29, 2003
Patent primary examiner
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