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1. 发明专利

JP5381778B2 Nozzle discharge state measuring device and an image forming apparatus 有权
公开(公告)号：JP5381778B2
公开(公告)日：2014-01-08
申请号：JP2010029367
申请日：2010-02-12
申请人：株式会社リコー
发明人：学瀬尾 , 武雄塚本 , 愛乃長谷川 , 武志折戸 , 祐馬臼井 , 亮太鈴木
IPC分类号： B41J2/01

2. 发明专利

JP5504808B2 Image forming apparatus and an image forming method 有权
公开(公告)号：JP5504808B2
公开(公告)日：2014-05-28
申请号：JP2009231635
申请日：2009-10-05
申请人：株式会社リコー
发明人：学瀬尾 , 武雄塚本 , 愛乃長谷川 , 祐馬臼井 , 武志折戸 , 亮太鈴木
IPC分类号： G02F1/15 , G09F9/30

3. 发明专利

JP5488057B2 Image forming apparatus 有权
公开(公告)号：JP5488057B2
公开(公告)日：2014-05-14
申请号：JP2010047037
申请日：2010-03-03
申请人：株式会社リコー
发明人：武雄塚本 , 武志折戸 , 学瀬尾 , 祐馬臼井 , 愛乃長谷川 , 亮太鈴木
IPC分类号： B41J2/01

4. 发明专利

JP5482069B2 Image forming method and image forming apparatus 有权
公开(公告)号：JP5482069B2
公开(公告)日：2014-04-23
申请号：JP2009229845
申请日：2009-10-01
申请人：株式会社リコー
发明人：愛乃長谷川 , 祐馬臼井 , 武雄塚本 , 学瀬尾 , 武志折戸 , 亮太鈴木
IPC分类号： B41M5/00 , B41J2/01 , C09D11/00 , C09D11/52

5. 发明专利

JP5343890B2 Image forming apparatus and an image forming method 有权
公开(公告)号：JP5343890B2
公开(公告)日：2013-11-13
申请号：JP2010036294
申请日：2010-02-22
申请人：株式会社リコー
发明人：愛乃長谷川 , 武雄塚本 , 祐馬臼井 , 英臣佐久間 , 学瀬尾 , 武志折戸 , 亮太鈴木
IPC分类号： B41J2/385
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus and image forming method in which excellent transferability is attained and the occurrence of blurring is suppressed without giving a treatment liquid. SOLUTION: The image forming apparatus 100 includes: a recording head 21 having a nozzle for discharging conductive ink in which a pigment is dispersed in a solvent containing water; an intermediate transfer drum 10 capable of forming an ink image by intermittently forming a liquid columnar bridge comprising the conductive ink between the nozzle and the intermediate transfer drum 10 and having an elastic layer containing carbon nanotube which is formed on the surface; a power source 30 for applying voltage by which water contained in the liquid columnar bridge is electrolyzed between the elastic layer and the conductive ink; and a transfer roller 40 for transferring the ink image formed on the intermediate transfer drum 10 to a recoding paper S. COPYRIGHT: (C)2011,JPO&INPIT

6. 发明专利

JP5407722B2 Cleaning device and an image forming apparatus 有权
公开(公告)号：JP5407722B2
公开(公告)日：2014-02-05
申请号：JP2009232633
申请日：2009-10-06
申请人：株式会社リコー
发明人：祐馬臼井 , 武雄塚本 , 愛乃長谷川 , 学瀬尾 , 武志折戸 , 亮太鈴木
IPC分类号： B41J2/01 , B41J2/175 , B41J2/18 , B41J2/185

7. 发明专利

JP5338690B2 Image forming apparatus, an image forming method 有权
公开(公告)号：JP5338690B2
公开(公告)日：2013-11-13
申请号：JP2010010274
申请日：2010-01-20
申请人：株式会社リコー
发明人：武志折戸 , 武雄塚本 , 愛乃長谷川 , 学瀬尾 , 祐馬臼井 , 亮太鈴木
IPC分类号： B41J2/01
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus for forming an image by applying a recording liquid from each head to an intermediate transfer body while securing the recording liquid ejection performance of the head and suppressing bleeding without applying a processing liquid, powder or the like other than the recording liquid. and to provide an image forming method using the image forming apparatus. SOLUTION: The image forming apparatus uses: the intermediate transfer body 37 having a conductive surface to which the conductive recording liquid ejected from nozzles 61a provided in each of the heads 61Y, 61M, 61C and 61BK are applied; a voltage applying means 33 for applying voltage between the intermediate transfer body 37 and each of the heads 61Y, 61M, 61C and 61BK so as to perform electrolysis of the conductive recording liquid ejected from the heads 61Y, 61M, 61C and 61BK and bridged between each of the heads 61Y, 61M, 61C and 61BK and the intermediate transfer body 37; and a voltage application control means 40 configured to control the voltage application to control discharge by the voltage applied to the conductive recording liquid with voltage application. COPYRIGHT: (C)2011,JPO&INPIT

8. 发明专利

JP5333278B2 Image forming apparatus and the nozzle discharge state detection method 有权
公开(公告)号：JP5333278B2
公开(公告)日：2013-11-06
申请号：JP2010032474
申请日：2010-02-17
申请人：株式会社リコー
发明人：亮太鈴木 , 武雄塚本 , 学瀬尾 , 武志折戸 , 祐馬臼井 , 愛乃長谷川
IPC分类号： B41J2/385 , B41J2/01
摘要： PROBLEM TO BE SOLVED: To provide an inkjet type image forming apparatus capable of obtaining an image with a high image quality with a high image density, and less feathering, bleeding and beading on a plain paper at a high speed without using such an article of consumption as a reaction liquid and a processing liquid except a recording liquid, and capable of detecting a nozzle delivering condition with a simple and inexpensive constitution and rapidly performing recovery processing of a nozzle. SOLUTION: When an electrically-conductive recording liquid is delivered from the nozzle under a condition that an electric voltage is applied between the nozzle of a recording head 61 and an intermediate transferring drum 37 by an electric voltage applying means 33, a liquid columnar bridge consisting of the recording liquid is formed, and during this or before and after this, electric discharge occurs near the liquid column. This electric discharge light 70 is detected by a light receiving means 71, and on the basis of this result, whether the nozzle delivering condition is good or not is judged. COPYRIGHT: (C)2011,JPO&INPIT

9. 发明专利

JP5488190B2 The image forming apparatus and a recording liquid 有权
标题翻译：空值
公开(公告)号：JP5488190B2
公开(公告)日：2014-05-14
申请号：JP2010110483
申请日：2010-05-12
申请人：株式会社リコー
发明人：亮太鈴木 , 祐馬臼井 , 武雄塚本 , 英臣佐久間 , 愛乃長谷川 , 学瀬尾 , 武志折戸
IPC分类号： B41J2/01 , B41M5/00 , C09D11/00 , C09D11/328 , C09D11/38 , C09D11/54
CPC分类号： B41M5/0023 , B41J2/0057 , C09D11/328 , C09D11/40

10. 发明专利

JP5423502B2 Image forming apparatus, an image forming method 有权
公开(公告)号：JP5423502B2
公开(公告)日：2014-02-19
申请号：JP2010059917
申请日：2010-03-16
申请人：株式会社リコー
发明人：英臣佐久間 , 武雄塚本 , 愛乃長谷川 , 学瀬尾 , 武志折戸 , 祐馬臼井 , 亮太鈴木
IPC分类号： B41J2/385 , B41J2/01

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