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1. 发明申请

US20210127097A1 IMAGE PROJECTION DEVICE 有权
公开(公告)号：US20210127097A1
公开(公告)日：2021-04-29
申请号：US17076132
申请日：2020-10-21
申请人： Tomoko TAKAHASHI , Yuuji WADA , Yu YONEDA , Daisuke TOMITA , Kunihiko NISHIOKA , Hideki KOSUGI , Yasukazu KITAMURA , Toshihiro HAMAMURA , Takaya MURAISHI , Naomi SUGIMOTO , Yasunari HARADA
发明人： Tomoko TAKAHASHI , Yuuji WADA , Yu YONEDA , Daisuke TOMITA , Kunihiko NISHIOKA , Hideki KOSUGI , Yasukazu KITAMURA , Toshihiro HAMAMURA , Takaya MURAISHI , Naomi SUGIMOTO , Yasunari HARADA
IPC分类号： H04N9/31
摘要： An image projection device includes a projector configured to project an image; and an operation unit configured to receive an operation performed by an operator. The projector is in a projecting state while the operation unit is receiving a pressing operation performed by the operator, and the projector is in a non-projecting state while the operation unit is not receiving a pressing operation performed by the operator.

2. 发明申请

US20160161888A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20160161888A1
公开(公告)日：2016-06-09
申请号：US14962062
申请日：2015-12-08
申请人： Yuuji WADA , Naohiro KUMAGAI , Seiichi KOGURE , Junpei FUJITA , Kazuki YOGOSAWA , Kenji SUGIURA , Takehide MIZUTANI , Tatsuya OHSUGI , Hiroyoshi HAGA , Hirokazu ISHll
发明人： Yuuji WADA , Naohiro KUMAGAI , Seiichi KOGURE , Junpei FUJITA , Kazuki YOGOSAWA , Kenji SUGIURA , Takehide MIZUTANI , Tatsuya OHSUGI , Hiroyoshi HAGA , Hirokazu ISHll
IPC分类号： G03G15/16
CPC分类号： G03G21/0005 , G03G15/1665 , G03G15/1675
摘要： An image forming apparatus includes a belt-shaped image bearer; a transfer device disposed opposing to the image bearer; an opposed device disposed opposing to the transfer device; and a transfer bias power source. The image bearer is disposed along an outer circumferential surface of the transfer device at at least one of an upstream side and a downstream side of the transfer portion in a direction of conveyance of the recording medium. The transfer bias power source cyclically alternates the transfer bias applied to the transfer portion, between a transfer directional bias in a transfer direction to transfer the toner image from the image bearer onto the recording medium and a reverse directional bias in a reverse direction of the transfer direction. The transfer bias power source applies the reverse directional bias during a time period longer than 50% of one cycle of the applied transfer bias in the one cycle.
摘要翻译：图像形成装置包括带状图像载体; 与所述图像载体相对设置的传送装置; 与传送装置相对设置的相对设备; 和转印偏压电源。图像承载体在转印部分的上游侧和下游侧中的至少一个沿着记录介质的输送方向沿着转印装置的外周表面设置。转印偏压电源周期性地交替施加到转印部分的转印偏压之间，在转印方向上的转印方向偏压之间，以将调色剂图像从图像载体转印到记录介质上，并且转印反转方向上的反向偏置方向。转移偏置电源在一个周期内的施加的转移偏压的一个周期的50％的时间段内施加反向偏置。

3. 发明申请

US20160109832A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20160109832A1
公开(公告)日：2016-04-21
申请号：US14881611
申请日：2015-10-13
申请人： Tatsuya OHSUGI , Kenji SUGIURA , Jyunya SAKURABA , Hirokazu ISHll , Toshitaka YAMAGUCHI , Hiroyoshi HAGA , Naohiro KUMAGAI , Seiichi KOGURE , Junpei FUJITA , Yuuji WADA , Kazuki YOGOSAWA , Shinya TANAKA , Masayoshi NAKAYAMA
发明人： Tatsuya OHSUGI , Kenji SUGIURA , Jyunya SAKURABA , Hirokazu ISHll , Toshitaka YAMAGUCHI , Hiroyoshi HAGA , Naohiro KUMAGAI , Seiichi KOGURE , Junpei FUJITA , Yuuji WADA , Kazuki YOGOSAWA , Shinya TANAKA , Masayoshi NAKAYAMA
IPC分类号： G03G15/16
CPC分类号： G03G15/1675 , G03G15/1605 , G03G15/162 , G03G15/1665 , G03G15/1685
摘要： An image forming apparatus includes an image bearer, a transfer member, and a power source. The image bearer includes a plurality of layers. The transfer member forms a transfer nip between the image bearer and the transfer member. The power source outputs a transfer bias to transfer a toner image from the image bearer onto a recording sheet in the transfer nip. The transfer bias alternates between a transfer-side bias that causes the toner image to move from the image bearer to the recording sheet, and an opposite-side bias different from the transfer-side bias. A duty ratio of a time period, during which the opposite-side bias is output, relative to one cycle of a waveform, is greater than 50%.
摘要翻译：图像形成装置包括图像载体，转印构件和电源。图像载体包括多个层。转印部件在图像承载体和转印部件之间形成转印辊隙。电源输出转印偏压以将调色剂图像从图像载体转印到转印辊隙中的记录纸上。转印偏压在导致调色剂图像从图像载体移动到记录片材的转印侧偏置之间交替，并且与转印侧偏压不同的相反侧偏置交替。相对于波形的一个周期，输出相对侧偏压的时间段的占空比大于50％。

4. 发明申请

US20150147074A1 CLEANER, AND IMAGE FORMING APPARATUS USING THE CLEANER 有权
标题翻译：清洁剂和使用清洁剂的图像形成装置
公开(公告)号：US20150147074A1
公开(公告)日：2015-05-28
申请号：US14541279
申请日：2014-11-14
申请人： Yuuji WADA , Kenji Sugiura , Naohiro Kumagai , Seiichi Kogure , Junpei Fujita , Yusuke Mitani , Kazuki Yogosawa
发明人： Yuuji WADA , Kenji Sugiura , Naohiro Kumagai , Seiichi Kogure , Junpei Fujita , Yusuke Mitani , Kazuki Yogosawa
IPC分类号： G03G21/06 , G03G15/00
CPC分类号： G03G15/161 , G03G15/70 , G03G21/0035 , G03G21/0047 , G03G21/007 , G03G21/0076 , G03G2215/1661
摘要： A cleaner includes a cleaning member electrostatically removing toner on an object; a first electricity supplier supplying a first voltage (or current) with polarity opposite to that of toner to the cleaning member; a toner collecting member collecting toner from the cleaning member; and a second electricity supplier supplying a second voltage with the polarity greater than the first voltage to the toner collecting member. The first and second electricity suppliers set plural setting values of the first and second voltages smaller than the targeted values of the first and second voltages, and first and second control members of the first and second electricity suppliers output first and second control signals while changing in step-by-step manner so that first and second output members of the first and second electricity suppliers apply the first and second voltage in step-by-step manner before the first and second voltages reach the targeted voltages.
摘要翻译：清洁器包括静电除去物体上的调色剂的清洁部件; 向所述清洁部件提供极性与调色剂极性相反的第一电压（或电流）的第一电力供应商; 从清洁部件收集调色剂的调色剂收集部件; 以及向所述调色剂收集构件提供极性大于所述第一电压的第二电压的第二电力供应器。第一和第二电力供应商将第一和第二电压的多个设定值设置为小于第一和第二电压的目标值，并且第一和第二电力供应商的第一和第二控制构件在改变时输出第一和第二控制信号使得第一和第二电力供应商的第一和第二输出构件在第一和第二电压达到目标电压之前以逐步的方式施加第一和第二电压。

5. 发明申请

US20170235258A1 IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD 审中-公开
公开(公告)号：US20170235258A1
公开(公告)日：2017-08-17
申请号：US15427735
申请日：2017-02-08
申请人： Yuuji WADA , Naoto KOCHI , Hiroki NAKAMATSU , Kazuki YOGOSAWA , Takahiro SUZUKI , Shinya TANAKA , Kenji SUGIURA , Naohiro KUMAGAI , Seiichi KOGURE , Junpei FUJITA , Hirokazu ISHII , Takehide MIZUTANI , Atsushi NAGATA , Keigo NAKAMURA
发明人： Yuuji WADA , Naoto KOCHI , Hiroki NAKAMATSU , Kazuki YOGOSAWA , Takahiro SUZUKI , Shinya TANAKA , Kenji SUGIURA , Naohiro KUMAGAI , Seiichi KOGURE , Junpei FUJITA , Hirokazu ISHII , Takehide MIZUTANI , Atsushi NAGATA , Keigo NAKAMURA
IPC分类号： G03G15/16
CPC分类号： G03G15/1675 , G03G15/1605 , G03G15/5029 , G03G2215/00738
摘要： An improved image forming apparatus includes an image bearer, a nip forming member, a transfer power source, and a controller. The controller switches a transfer mode between a first mode to transfer the toner image onto a first type sheet having a surface smoothness higher than a surface smoothness of a second type sheet and a second mode to transfer the toner image onto the second type sheet. The controller controls the transfer power source to output the transfer bias having an opposite-peak duty of greater than or equal to 50% that is a duty on the side of the opposite-peak value in the first mode. The controller controls the transfer power source to output the transfer bias having an opposite-peak duty of less than 50%, which is different from the opposite-peak duty of the first mode, in the second mode.

6. 发明申请

US20160216682A1 CLEANING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME 有权
标题翻译：清洁装置和成像装置的图像形成装置
公开(公告)号：US20160216682A1
公开(公告)日：2016-07-28
申请号：US15003938
申请日：2016-01-22
申请人： Kenji SENGOKU , Kazuki YOGOSAWA , Mitsuru TAKAHASHI , Seiichi KOGURE , Kenji SUGIURA , Hiroyoshi HAGA , Junpei FUJITA , Takehide MIZUTANI , Tatsuya OHSUGI , Yuuji WADA
发明人： Kenji SENGOKU , Kazuki YOGOSAWA , Mitsuru TAKAHASHI , Seiichi KOGURE , Kenji SUGIURA , Hiroyoshi HAGA , Junpei FUJITA , Takehide MIZUTANI , Tatsuya OHSUGI , Yuuji WADA
IPC分类号： G03G15/16 , G03G21/00
CPC分类号： G03G21/00 , G03G15/161 , G03G21/0035 , G03G21/0058 , G03G21/0076 , G03G2215/0129 , G03G2221/001
摘要： A cleaning device includes a cleaner, a casing, and an exit seal. The cleaner is configured to remove toner from a cleaning target. The casing accommodates the cleaner. The exit seal is attached to the casing and has a free end contacting the cleaning target at a position downward from the cleaner in a direction of movement of the cleaning target and an attached end attached to the casing. A space is disposed between a surface of the cleaning target and an opposite face of the exit seal opposite the cleaning target. The space includes an opening at a lateral end of the exit seal. The exit seal contacts the cleaning target from a trailing direction of the exit seal and seals the opening at at least an attached end side of the exit seal.
摘要翻译：清洁装置包括清洁器，壳体和出口密封件。清洁器配置为从清洁目标中去除碳粉。外壳容纳清洁剂。出口密封件附接到壳体，并且在清洁对象的移动方向和附接到壳体的附接端部上，在从清洁器向下方的位置处接触清洁对象的自由端。在清洁对象的表面和与清洁对象物相对的出口密封件的相对面之间设置有空间。该空间包括在出口密封件的侧端处的开口。出口密封件从出口密封件的拖尾方向接触清洁目标，并且在出口密封件的至少一个附接端侧密封开口。

7. 发明申请

US20160170363A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20160170363A1
公开(公告)日：2016-06-16
申请号：US14966398
申请日：2015-12-11
申请人： Seiichi KOGURE , Naohiro KUMAGAI , Junpei FUJITA , Kazuki YOGOSAWA , Tatsuya OHSUGI , Kenji SUGIURA , Yuuji WADA , Takehide MIZUTANI , Ryo HASEGAWA
发明人： Seiichi KOGURE , Naohiro KUMAGAI , Junpei FUJITA , Kazuki YOGOSAWA , Tatsuya OHSUGI , Kenji SUGIURA , Yuuji WADA , Takehide MIZUTANI , Ryo HASEGAWA
IPC分类号： G03G15/16
CPC分类号： G03G15/6529 , G03G15/1605 , G03G15/6558 , G03G2215/0129
摘要： An image forming apparatus includes an image bearer having an image bearing face to bear an image thereon; a transferer disposed opposing the image bearer, to transfer the image from the image bearing face onto a recording medium at a transfer section between the transferer and the image bearer; a first guide disposed upstream from the transfer section in a direction of delivery of the recording medium, to guide the recording medium to the transfer section; and a second guide upstream from the first guide and spaced away from the first guide, to guide the recording medium to the transfer section. Each of the first guide and the second guide extends in a lateral direction perpendicular to the direction of delivery. A leading end of the second guide in the direction of delivery is inclined from one end to the other end of the second guide in the lateral direction.
摘要翻译：图像形成装置包括具有承载图像的图像承载面的图像载体; 与所述图像载体相对设置的传送器，用于将所述图像从所述图像承载面转移到所述传送器和所述图像载体之间的传送部分处的记录介质上; 第一引导件，沿着所述记录介质的传送方向设置在所述传送部分的上游，以将所述记录介质引导到所述传送部分; 以及从第一引导件上游并与第一引导件间隔开的第二引导件，以将记录介质引导到传送部分。第一引导件和第二引导件中的每一个沿垂直于输送方向的横向方向延伸。第二引导件在输送方向上的前端沿横向从第二引导件的一端向另一端倾斜。

8. 发明申请

US20160124374A1 CLEANING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME 审中-公开
公开(公告)号：US20160124374A1
公开(公告)日：2016-05-05
申请号：US14994873
申请日：2016-01-13
申请人： Kazuki YOGOSAWA , Kenji SUGIURA , Naohiro KUMAGAI , Seiichi KOGURE , Junpei FUJITA , Yuuji WADA , Yusuke MITANI
发明人： Kazuki YOGOSAWA , Kenji SUGIURA , Naohiro KUMAGAI , Seiichi KOGURE , Junpei FUJITA , Yuuji WADA , Yusuke MITANI
IPC分类号： G03G21/00
CPC分类号： G03G21/169 , B41F23/002 , G03G15/161 , G03G2215/1661 , G03G2221/1618
摘要： A cleaning device includes a cleaner, a plurality of cleaning sub-units, a sub-unit holder, a detachable transmission assembly, and a plurality of joint couplers. The cleaner scrapes off adhered material from a surface of a cleaning target while contacting the surface of the cleaning target. The cleaning sub-units each includes a holder to hold the cleaner and a drive-receive rotator to receive a driving force. The sub-unit holder holds the cleaning sub-units. The detachable transmission assembly includes a driving-force receive rotator to receive a driving force from an external unit and a plurality of drive transmission rotators to transmit the driving force received by the driving-force receive rotator to the drive-receive rotators of the cleaning sub-units. The joint couplers mounted on the drive-receive rotators and the drive transmission rotators couple the drive-receive rotators with the drive transmission rotators in a rotation axial direction.

9. 发明申请

US20150378284A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20150378284A1
公开(公告)日：2015-12-31
申请号：US14742730
申请日：2015-06-18
申请人： Yuuji WADA , Kenji SUGIURA , Naohiro KUMAGAI , Seiichi KOGURE , Junpei FUJITA , Yusuke MITANI , Kazuki YOGOSAWA
发明人： Yuuji WADA , Kenji SUGIURA , Naohiro KUMAGAI , Seiichi KOGURE , Junpei FUJITA , Yusuke MITANI , Kazuki YOGOSAWA
IPC分类号： G03G15/16
CPC分类号： G03G15/1695 , G03G15/161 , G03G15/1675 , G03G15/168
摘要： An image forming apparatus includes a transfer device to transfer a toner image onto a recording medium with a transfer bias applied thereto, a recording medium conveyor to deliver the recording medium to a transfer region while controlling an alignment of the recording medium having entered the transfer region in alignment control, and a transfer bias controller to obtain a toner adhesion amount information on a post-alignment-control toner image that passes through the transfer region after the recording medium is free from the alignment control, and to reduce, when the toner adhesion amount per unit area is less than a predetermined amount, the transfer bias after the alignment control is released to a level less than that of a transfer bias that is applied when the toner image having a same toner adhesion amount passes through the transfer region before the recording medium is free from the alignment control.
摘要翻译：图像形成装置包括：转印装置，用于将调色剂图像转印到具有转印偏压的记录介质上;记录介质传送器，用于将记录介质输送到转印区域，同时控制进入转印区域的记录介质的排列以及转印偏压控制器，以便在记录介质不受对准控制之后获得通过转印区域的调色剂调色剂图像上的调色剂附着量信息，并且当调色剂附着每单位面积的量小于预定量，则在对准控制之后的转印偏压被释放到低于在具有相同调色剂附着量的调色剂图像通过转印区域之前施加的转印偏压的水平记录介质没有对准控制。

10. 发明申请

US20190243288A1 TRANSFER DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME 审中-公开
公开(公告)号：US20190243288A1
公开(公告)日：2019-08-08
申请号：US16248939
申请日：2019-01-16
申请人： Takahiro SUZUKI , Yuuji WADA , Naoto KOCHI , Shinya TANAKA
发明人： Takahiro SUZUKI , Yuuji WADA , Naoto KOCHI , Shinya TANAKA
IPC分类号： G03G15/16
摘要： A transfer device includes an intermediate transfer belt configured to bear a toner image and rotate, a transferor configured to contact the intermediate transfer belt via a recording medium and form a transfer nip, a guide configured to guide the recording medium conveyed to the transfer nip, and a pressure reducing device. The intermediate transfer belt is shaped as an endless belt. The pressure reducing device is configured to reduce pressure-contact force of the transferor against the intermediate transfer belt as the recording medium advances in the transfer nip. Therefore, a trailing end of the recording medium does not move toward the intermediate transfer belt when the trailing end of the recording medium has passed the guide.

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