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1. 发明授权

US09599936B2 Image forming apparatus having opposite roller switching and image forming system 有权
公开(公告)号：US09599936B2
公开(公告)日：2017-03-21
申请号：US14631302
申请日：2015-02-25
申请人： Konica Minolta, Inc.
发明人： Yusuke Nishisaka , Satoshi Nishida
IPC分类号： G03G15/00 , G03G15/16
CPC分类号： G03G15/1615 , G03G2215/0135
摘要： An image forming apparatus according to the present invention includes: an opposite roller switching mechanism which switches an opposite roller forming a transfer nip to a second opposite roller of which the outer diameter is different from the outer diameter of a first opposite roller; a paper type information acquirer which acquires the type information of a recording medium used; and a controller which controls the opposite roller switching mechanism based on the type information acquired from the paper type information acquirer.

2. 发明授权

US11167545B2 Image forming method and image forming apparatus 有权
公开(公告)号：US11167545B2
公开(公告)日：2021-11-09
申请号：US16926243
申请日：2020-07-10
申请人： Konica Minolta Inc.
发明人： Satoru Shibuya , Yusuke Nishisaka
IPC分类号： B41J2/005 , B41J11/00 , B41J2/01
摘要： An image forming method includes: providing an active light curable ink on a surface of an intermediate transfer body; irradiating the active light curable ink provided on the surface of the intermediate transfer body with first active light; and transferring the active light curable ink to a recording medium, wherein the wavelength of the first active light is a wavelength that causes the transmittance of the intermediate transfer body to be 70% or more, and causes the absorbance of the active light curable ink to be 0.01 or more.

3. 发明授权

US10618333B2 Image forming method and image forming apparatus 有权
公开(公告)号：US10618333B2
公开(公告)日：2020-04-14
申请号：US16241575
申请日：2019-01-07
申请人： Konica Minolta, Inc.
发明人： Midori Shimomura , Yusuke Nishisaka , Taiya Munenaka , Yukimasa Azuma , Kuniya Matsuura
IPC分类号： B41J2/01 , B41M5/52 , B41M5/025 , C09D11/322 , B41M5/00
CPC分类号： B41M5/0256 , B41J2/01 , B41M5/529 , C09D11/322 , B41J2002/012 , B41J2202/03 , B41M5/0017
摘要： An image forming method, includes: forming a precoat layer by applying a precoat agent onto a front surface of an intermediate transfer body; forming an ink layer by applying an ink onto a front surface of the formed precoat layer, according to an ink jet method; and transferring the formed precoat layer and ink layer to a recording medium, wherein a contact angle of the precoat agent with respect to the front surface of the intermediate transfer body is less than a contact angle of the ink with respect to the front surface of the intermediate transfer body, and a viscosity of the precoat agent is lower than a viscosity of the ink.

4. 发明授权

US12103316B2 Image forming apparatus, lifetime determination method and non-transitory computer-readable recording medium storing lifetime determination program 有权
公开(公告)号：US12103316B2
公开(公告)日：2024-10-01
申请号：US18061587
申请日：2022-12-05
申请人： KONICA MINOLTA, INC.
发明人： Katsuhiro Umeda , Yusuke Nishisaka , Hiroshi Akita
IPC分类号： B41J29/393 , B41J2/14 , B41J2/195
CPC分类号： B41J2/195 , B41J2/14233 , B41J29/393 , B41J2029/3935
摘要： An image forming apparatus includes: an ink-jet head including a storage that stores phase transition ink, the ink-jet head forms an image on a recording medium by ejecting the phase transition ink; and one or more hardware processors. The one or more hardware processors change a driving condition of the ink-jet head for a case of ejecting the phase transition ink on a basis of a first reading result of a pattern image formed by the ink-jet head; estimate occurrence of a state change of the phase transition ink in the storage when the driving condition that is changed satisfies a predetermined condition; and determine whether a lifetime of the ink-jet head is over in accordance with whether the occurrence of the state change is estimated.

5. 发明授权

US11155095B2 Inkjet recording apparatus and cleaning method of intermediate transfer body 有权
公开(公告)号：US11155095B2
公开(公告)日：2021-10-26
申请号：US16799988
申请日：2020-02-25
申请人： Konica Minolta, Inc.
发明人： Yusuke Nishisaka , Hajime Kawakami , Mei Suzuki , Keishi Suzuki
IPC分类号： B41J2/165 , B41J11/00 , B41J29/17 , B41J2/01
摘要： An inkjet recording apparatus includes an ink jetter; a transfer unit that has an intermediate transfer body and transfers ink on its transfer surface to a recording medium to record an image; a thickening device that thickens the ink landed on the transfer surface before transfer to the recording medium; a cleaner that removes residual ink remaining on the transfer surface; and a hardware processor. The cleaner has a first ink remover that removes the thickened residual ink in first ink removing operation in which an adhesive member brought into contact with the thickened ink is separated from the transfer surface. If the transfer surface has a region occupied by the thickened ink of a predetermined reference area or more, the hardware processor causes the first ink remover to perform the first ink removing operation.

6. 发明授权

US08909121B2 Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US08909121B2
公开(公告)日：2014-12-09
申请号：US13896880
申请日：2013-05-17
申请人： Konica Minolta, Inc.
发明人： Yusuke Nishisaka , Satoshi Nishida , Hideo Yamaki
IPC分类号： G03G21/00 , G03G15/16
CPC分类号： G03G15/16 , G03G15/1605 , G03G15/1615 , G03G15/6588 , G03G2215/00232 , G03G2215/00244
摘要： An image forming apparatus includes: a transfer belt that is stretched on a plurality of support rollers including a backup roller in a loop-like manner and has an outer surface for carrying thereon a toner image; a transfer roller that is brought into pressurized contact with the backup roller across the transfer belt and forms a transfer nip with the transfer belt; a restriction member that is placed upstream of a transfer nip in a sheet conveying direction so as to be switchable between a first state in which the restriction member is brought closer to an inner surface of the transfer belt and a second state in which a distance of the restriction member from the inner surface of the transfer belt is larger than that in the first state; and a control section that switches a state of the restriction member.
摘要翻译：图像形成装置包括：转印带，其在包括支撑辊的多个支撑辊上以环状方式被拉伸并且具有用于承载调色剂图像的外表面; 转印辊，其与支承辊加压接触转印带，并与转印带形成转印辊隙; 限制部件，其设置在片材输送方向上的转印辊隙的上游，以便能够在限制部件靠近转印带的内表面的第一状态和第二状态之间切换，来自转印带的内表面的限制构件大于第一状态; 以及切换限制部件的状态的控制部。

7. 发明授权

US11167570B2 Image forming apparatus and image forming method 有权
公开(公告)号：US11167570B2
公开(公告)日：2021-11-09
申请号：US16727401
申请日：2019-12-26
申请人： Konica Minolta, Inc.
发明人： Yusuke Mamiya , Yusuke Nishisaka , Shinya Tokutake , Hajime Kawakami
IPC分类号： B41J11/00 , B41J2/005
摘要： An inkjet-type image forming apparatus, includes: an intermediate transfer body that has an outmost surface layer and transfers a photo-curable ink to a recording medium; a light irradiator that performs a tentative-curing treatment by photo-curing the photo-curable ink after the ink is landed on the intermediate transfer body and before the landed ink is transferred to the recording medium; a temperature controller that causes the outmost surface layer to be melted, expanded, or contracted; and a transferor that transfers the photo-curable ink landed on the intermediate transfer body to the recording medium.

8. 发明申请

US20190232701A1 IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：US20190232701A1
公开(公告)日：2019-08-01
申请号：US16241575
申请日：2019-01-07
申请人： Konica Minolta, Inc.
发明人： Midori SHIMOMURA , Yusuke Nishisaka , Taiya Munenaka , Yukimasa Azuma , Kuniya Matsuura
IPC分类号： B41M5/025 , B41M5/52 , B41J2/01 , C09D11/322
CPC分类号： B41M5/0256 , B41J2/01 , B41J2002/012 , B41J2202/03 , B41M5/0017 , B41M5/529 , C09D11/322
摘要： An image forming method, includes: forming a precoat layer by applying a precoat agent onto a front surface of an intermediate transfer body; forming an ink layer by applying an ink onto a front surface of the formed precoat layer, according to an ink jet method; and transferring the formed precoat layer and ink layer to a recording medium, wherein a contact angle of the precoat agent with respect to the front surface of the intermediate transfer body is less than a contact angle of the ink with respect to the front surface of the intermediate transfer body, and a viscosity of the precoat agent is lower than a viscosity of the ink.

9. 发明申请

US20190232695A1 IMAGE FORMING APPARATUS AND CLEANING METHOD 审中-公开
公开(公告)号：US20190232695A1
公开(公告)日：2019-08-01
申请号：US16250028
申请日：2019-01-17
申请人： Konica Minolta, Inc.
发明人： Yukimasa AZUMA , Yusuke Nishisaka , Kuniya Matsuura , Taiya Munenaka , Midori Shimomura
IPC分类号： B41J29/17 , B41J2/005
CPC分类号： B41J29/17 , B41J2/0057
摘要： An image forming apparatus includes an inkjet head, a hardware processor that controls an imager former so that an untransferred image is formed on a transferer at a position between two continuous transferred images, and a first cleaning member and a second cleaning member that remove the untransferred image formed on the transferer from the transferer.

10. 发明授权

US09507312B2 Lubricant application device with a flicking member, cleaning device having the lubricant application device, and image forming apparatus having the lubricant application device 有权
标题翻译：具有滑动构件的润滑剂施加装置，具有润滑剂施加装置的清洗装置以及具有润滑剂施加装置的图像形成装置
公开(公告)号：US09507312B2
公开(公告)日：2016-11-29
申请号：US14537373
申请日：2014-11-10
申请人： Konica Minolta, Inc.
发明人： Yusuke Nishisaka
IPC分类号： G03G21/00 , F16N7/24
CPC分类号： G03G21/0094 , F16N7/24 , G03G21/0011 , G03G21/0035 , G03G21/007
摘要： A lubricant application device includes: a lubricant supply unit; a roller-type rotatable lubricant application member that applies a lubricant agent to a lubricant-applied member, the lubricant agent being supplied from the lubricant supply unit; and a flicking member to be brought into contact with the lubricant application member in a position that is on the downstream side of the lubricant supply unit and is on the upstream side of the lubricant-applied member in the rotation direction of the lubricant application member, the flicking member being brought into contact with the lubricant application member so that the amount of the lubricant agent to be applied to either end portion of the lubricant-applied member becomes smaller than the amount of the lubricant agent to be applied to the middle portion of the lubricant-applied member in the axial direction of the lubricant application member.
摘要翻译：润滑剂施加装置包括：润滑剂供给单元; 一种向润滑剂施加部件施加润滑剂的辊式可旋转润滑剂施加部件，所述润滑剂从所述润滑剂供给部供给; 以及在所述润滑剂供给单元的下游侧位于所述润滑剂供给部件的旋转方向上的所述润滑剂供给部件的上游侧的位置，与所述润滑剂供给部件接触的滑动部件，使滑动部件与润滑剂施加部件接触，使得施加到润滑剂施加部件的任一端部的润滑剂的量变得小于施加到润滑剂中间部分的润滑剂的量所述润滑剂涂敷部件沿着所述润滑剂涂敷部件的轴向。

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