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1. 发明专利

JP5040063B2 Developing device and an image forming apparatus 有权
公开(公告)号：JP5040063B2
公开(公告)日：2012-10-03
申请号：JP2005033346
申请日：2005-02-09
申请人：富士ゼロックス株式会社
发明人：彰久丸山 , 美穂池田 , 宏一郎湯浅 , 康弘織田
IPC分类号： G03G15/08 , G03G9/08 , G03G15/16 , G03G21/10

2. 发明专利

JP5453874B2 Image forming apparatus 有权
公开(公告)号：JP5453874B2
公开(公告)日：2014-03-26
申请号：JP2009080050
申请日：2009-03-27
申请人：富士ゼロックス株式会社
发明人：康弘織田 , 和彦新井 , 亨勅使川原
IPC分类号： G03G15/02 , G03G9/08
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus which suppresses uneven deposition of a lubricant on a charging roll even when being used for a long period of time and is capable of obtaining an image in which the occurrence of image unevenness is suppressed. SOLUTION: The image forming apparatus includes: an image holder 1; a charging means having a charging roll which charges the image holder while being brought into contact with the surface of the image holder and has ten-point average surface roughness Rz of 2 to 20 μm; an electrostatic latent image-forming means which forms an electrostatic latent image on the charged image holder; a developing means which develops the electrostatic latent image formed on the image holder by toner to form a toner image, wherein the toner has a lubricant externally stuck thereto; a transfer means which transfers the toner image to a body to be transferred; and a toner removing means which removes tone remaining on the surface of the image holder after the transfer of the toner image. COPYRIGHT: (C)2011,JPO&INPIT

3. 发明专利

JP5029242B2 Image forming apparatus 有权
公开(公告)号：JP5029242B2
公开(公告)日：2012-09-19
申请号：JP2007241315
申请日：2007-09-18
申请人：富士ゼロックス株式会社
发明人：和彦新井 , 康弘織田
IPC分类号： G03G21/00 , G03G15/01 , G03G15/16

4. 发明专利

JP4815816B2 Image forming apparatus 有权
公开(公告)号：JP4815816B2
公开(公告)日：2011-11-16
申请号：JP2005035984
申请日：2005-02-14
申请人：富士ゼロックス株式会社
发明人：彰久丸山 , 美穂池田 , 宏一郎湯浅 , 康弘織田
IPC分类号： G03G21/10 , G03G15/01 , G03G15/08
CPC分类号： G03G21/0005 , G03G21/0076 , G03G2221/001 , G03G2221/0042

5. 发明专利

JP4375051B2 A developing device and an image forming apparatus using the same 有权
公开(公告)号：JP4375051B2
公开(公告)日：2009-12-02
申请号：JP2004046730
申请日：2004-02-23
申请人：富士ゼロックス株式会社
发明人：明寛井田 , 藤佐佐藤 , 豊木内 , 康弘織田
IPC分类号： G03G15/08 , G03G15/09

6. 发明专利

JP4337512B2 A developing device and an image forming apparatus using the same 有权
公开(公告)号：JP4337512B2
公开(公告)日：2009-09-30
申请号：JP2003381209
申请日：2003-11-11
申请人：富士ゼロックス株式会社
发明人：明寛井田 , 豊木内 , 康弘織田
IPC分类号： G03G15/08 , G03G15/09

7. 发明专利

JP3675146B2 Image forming apparatus 失效
公开(公告)号：JP3675146B2
公开(公告)日：2005-07-27
申请号：JP35529797
申请日：1997-12-24
申请人：富士ゼロックス株式会社
发明人：昭石井 , 浩一郎篠原 , 康弘織田
IPC分类号： B41J2/44 , G03G15/00 , G03G15/06 , G03G15/09

8. 发明专利

JP5309493B2 Image forming apparatus 有权
公开(公告)号：JP5309493B2
公开(公告)日：2013-10-09
申请号：JP2007205622
申请日：2007-08-07
申请人：富士ゼロックス株式会社
发明人：知一栗田 , 敏一影山 , 栄二山中 , 淑恵中本 , 裕喜安藤 , 伸哉牧浦 , 泰岳松本 , 康弘織田
IPC分类号： G03G21/00 , G03G15/00 , G03G15/01
摘要： PROBLEM TO BE SOLVED: To maintain a stable image quality over a long period, while preventing the image quality from being deteriorated caused by the discharge product by removing a discharge product deposited onto a surface of an image holding body with a simple constitution. SOLUTION: This image forming apparatus is provided with the rotatable image conveying body 2 arranged opposedly to the plurality of image holding bodies 1, and for conveying a toner image on the image holding bodies 1 directly or via a recording material S, a speed variable means 3 capable of varying independently speeds of the plurality of image holding bodies 1 in one unit or units of the number smaller than the number of the image holding bodies 1, a judging means 4 for judging the propriety of contribution to image formation out of the plurality of image holding bodies 1, and a speed control means 5 having a first speed mode for setting the speed of the image holding body 1 contributing to the image formation, as a first speed, and a second speed mode for setting the speed of the image holding body 1 not contributing to the image formation, as a second speed with a speed difference getting large with respect to the image conveying body 2, compared with the first speed, and for controlling the speed variable means 3 to select any of the speed modes in respective image holding bodies 1, based on a judged result by the judging means 4. COPYRIGHT: (C)2009,JPO&INPIT

9. 发明专利

JP4957239B2 Image forming apparatus 有权
公开(公告)号：JP4957239B2
公开(公告)日：2012-06-20
申请号：JP2006352804
申请日：2006-12-27
申请人：富士ゼロックス株式会社
发明人：大輔春山 , 康弘織田
IPC分类号： G03G21/14 , G03G5/147
CPC分类号： G03G15/1605

10. 发明专利

JP4770205B2 Image forming apparatus 有权
公开(公告)号：JP4770205B2
公开(公告)日：2011-09-14
申请号：JP2005065234
申请日：2005-03-09
申请人：富士ゼロックス株式会社
发明人：彰久丸山 , 美穂池田 , 宏一郎湯浅 , 康弘織田
IPC分类号： G03G21/10 , G03G9/08
CPC分类号： G03G21/0035
摘要： An image forming apparatus includes an image carrier, a cleaning device and a developing device. The cleaning device recovers a toner remaining on the image carrier. The toner recovered by the cleaning device is supplied to the developing device. The cleaning device includes a conductive brush member and an elastic blade. The conductive brush member is disposed on upstream of the image carrier in a rotation direction of the image carrier so as to be in contact with the image carrier. The conductive brush member recovers the toner remaining on the image carrier electrostatically. The elastic blade is disposed on downstream of the image carrier so as to be in contact with the image carrier. A toner recovered by the conductive brush member is supplied to the developing device and used in image formation again. A toner recovered by the elastic blade is discarded.

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