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1. 发明授权

US11460788B2 Image forming apparatus 有权
公开(公告)号：US11460788B2
公开(公告)日：2022-10-04
申请号：US17407209
申请日：2021-08-20
申请人： Yasuhide Matsuno , Keiji Kunimi
发明人： Yasuhide Matsuno , Keiji Kunimi
IPC分类号： G03G15/01 , G06F3/12 , G03G15/08
摘要： An image forming apparatus includes an image forming device and circuitry. The image forming device forms an image with colorants of different colors. The circuitry determines whether there is a possibility that a shortage of a colorant adhesion amount occurs in primary-color image formation using a colorant of a primary color and cause the image forming device to perform two-color image formation in which only secondary-color image formation using a colorant of a secondary color different from the colorant of the primary color is added to the primary-color image formation using the colorant of the primary color to form an image to be formed with the colorant of the primary color, when the circuitry determines that there is a possibility that the shortage of the colorant adhesion amount occurs in the primary-color image formation using the colorant of the primary color.

2. 发明申请

US20220066348A1 IMAGE FORMING APPARATUS 有权
公开(公告)号：US20220066348A1
公开(公告)日：2022-03-03
申请号：US17407209
申请日：2021-08-20
申请人： Yasuhide MATSUNO , Keiji KUNIMI
发明人： Yasuhide MATSUNO , Keiji KUNIMI
IPC分类号： G03G15/01 , G06F3/12 , G03G15/08
摘要： An image forming apparatus includes an image forming device and circuitry. The image forming device forms an image with colorants of different colors. The circuitry determines whether there is a possibility that a shortage of a colorant adhesion amount occurs in primary-color image formation using a colorant of a primary color and cause the image forming device to perform two-color image formation in which only secondary-color image formation using a colorant of a secondary color different from the colorant of the primary color is added to the primary-color image formation using the colorant of the primary color to form an image to be formed with the colorant of the primary color, when the circuitry determines that there is a possibility that the shortage of the colorant adhesion amount occurs in the primary-color image formation using the colorant of the primary color.

3. 发明授权

US11039039B2 Apparatus, system, and product for converting designated image area with object for printing in a spot color into printing data 有权
公开(公告)号：US11039039B2
公开(公告)日：2021-06-15
申请号：US16844232
申请日：2020-04-09
申请人： Keiji Kunimi , Yutaka Ataku , Noboru Tamura , Ryo Kobayashi , Hiroki Matsuura , Yoshio Taga , Kaname Nomura
发明人： Keiji Kunimi , Yutaka Ataku , Noboru Tamura , Ryo Kobayashi , Hiroki Matsuura , Yoshio Taga , Kaname Nomura
IPC分类号： H04N1/60 , H04N1/54 , H04N1/00 , B41J2/21 , G03G15/00
摘要： There is provided an image forming apparatus for performing printing in a plurality of colors. The image forming apparatus includes processing circuitry. The processing circuitry is configured to receive first print data in which an object to be printed in a spot color is designated in a first area in a document to be printed and second print data of the document to be printed from an information processing apparatus; convert the second print data received by the communication unit into image data of a predetermined color; extract an image of the first area from the image data obtained by conversion of the drawing unit; convert the image of the first area extracted by the spot color image control unit into the spot color; and generate image data of the spot color in which the image of the first area converted by the conversion unit is placed.

4. 发明授权

US11003124B2 Image forming apparatus using special toner and performing fixing condition change control 有权
公开(公告)号：US11003124B2
公开(公告)日：2021-05-11
申请号：US16903734
申请日：2020-06-17
申请人： Masato Tanaka , Keiji Kunimi , Masaki Yoshino , Kazumi Suzuki
发明人： Masato Tanaka , Keiji Kunimi , Masaki Yoshino , Kazumi Suzuki
IPC分类号： G03G15/00 , G03G15/20 , G03G21/04
摘要： An image forming apparatus including an image forming unit, a fixing device, and circuitry is provided. The image forming unit is configured to perform a special image forming operation that forms a color toner image and a special toner image with a color toner and a special toner, respectively, on a recording medium and a normal image forming operation that forms the color toner image without forming the special toner image on the recording medium. The fixing device is configured to fix the color toner image and the special toner image on the recording medium. The circuitry is configured to perform, in the special image forming operation, a toner amount suppression control that makes an amount of the color toner on the recording medium per unit area smaller than that in the normal image forming operation.

5. 发明授权

US09164435B2 Fixing device and image forming apparatus 有权
标题翻译：固定装置和成像装置
公开(公告)号：US09164435B2
公开(公告)日：2015-10-20
申请号：US14084127
申请日：2013-11-19
申请人： Tomoya Adachi , Atsushi Takehara , Tomohiko Fujii , Yutaka Naitoh , Minoru Toyoda , Hitoshi Fujiwara , Yasuharu Kawarasaki , Naoki Nakatake , Keiji Kunimi , Takahiro Sanada , Yasuhide Matsuno , Rumi Miyazaki , Kyoko Abe , Takeshi Yamashita , Yasuhiro Fujiwara
发明人： Tomoya Adachi , Atsushi Takehara , Tomohiko Fujii , Yutaka Naitoh , Minoru Toyoda , Hitoshi Fujiwara , Yasuharu Kawarasaki , Naoki Nakatake , Keiji Kunimi , Takahiro Sanada , Yasuhide Matsuno , Rumi Miyazaki , Kyoko Abe , Takeshi Yamashita , Yasuhiro Fujiwara
IPC分类号： G03G15/20
CPC分类号： G03G15/2028 , G03G15/2064 , G03G2215/2035 , G03G2215/2061
摘要： A fixing device includes a nip formation pad disposed opposite an inner circumferential surface of an endless belt and a pressing rotary body pressed against the nip formation pad via the endless belt to form a fixing nip between the endless belt and the pressing rotary body, through which a recording medium is conveyed. The pressing rotary body has a diameter increasing from a center to each lateral end in an axial direction thereof. The nip formation pad includes a projection disposed downstream from a rotation axis of the pressing rotary body in a recording medium conveyance direction. The projection projects toward the pressing rotary body in an amount increasing from each lateral end to a center in a longitudinal direction of the nip formation pad parallel to the axial direction of the pressing rotary body.
摘要翻译：定影装置包括与环形带的内圆周表面相对设置的压区形成垫，以及通过环形带压靠压区形成垫的压制旋转体，以在环形带和压制旋转体之间形成定影辊隙，传送记录介质。按压旋转体的直径从轴心方向的中心向各侧端增大。压区形成垫包括在记录介质传送方向上设置在按压旋转体的旋转轴线的下游的突起。突起朝向按压旋转体突出地以与挤压旋转体的轴向方向平行的压区形成垫的纵向方向上的每个横向端部至中心的量增加。

6. 发明申请

US20100098441A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20100098441A1
公开(公告)日：2010-04-22
申请号：US12582474
申请日：2009-10-20
申请人： Rumi MIYAZAKI , Atsushi TAKEHARA , Keiji KUNIMI
发明人： Rumi MIYAZAKI , Atsushi TAKEHARA , Keiji KUNIMI
IPC分类号： G03G15/08
CPC分类号： G03G15/1605 , G03G15/0856 , G03G15/0862 , G03G15/161 , G03G15/5062 , G03G2215/0602
摘要： An image forming apparatus includes an image carrier, a toner-image forming unit, a photosensor, an information obtaining unit, and a toner-amount calculating unit. The toner-image forming unit forms a toner image on the image carrier with toner. The photosensor detects a toner area where the toner is sticking to the image carrier. The information obtaining unit obtains particle-size-change information about how particle size distribution of the toner changes over time. The toner-amount calculating unit calculates a toner amount of the toner image based on the toner area and the particle-size-change information.
摘要翻译：图像形成装置包括图像载体，调色剂图像形成单元，光电传感器，信息获取单元和调色剂量计算单元。调色剂图像形成单元用调色剂在图像载体上形成调色剂图像。光电传感器检测调色剂粘附到图像载体上的调色剂区域。信息获取单元获得关于调色剂的粒度分布如何随时间变化的粒度变化信息。调色剂量计算单元基于调色剂面积和粒度变化信息计算调色剂图像的调色剂量。

7. 发明授权

US5173950A Color image transferring method and apparatus 失效
标题翻译：彩色图像转印方法和装置
公开(公告)号：US5173950A
公开(公告)日：1992-12-22
申请号：US696019
申请日：1991-05-06
申请人： Tatunari Sato , Yukio Yamamoto , Keiji Kunimi
发明人： Tatunari Sato , Yukio Yamamoto , Keiji Kunimi
IPC分类号： B41J2/325 , B41J2/36 , H04N1/52
CPC分类号： H04N1/52
摘要： In transferring color image data having a tone on a recording paper, a threshold matrix data for adjusting the tone is selected in accordance with the image data having a dot arrangement. The threshold conversion curve of the threshold matrix data selected is used to correct a variation in the tone of the image data due to mechanical and electrical variations in a color image transferring apparatus including variations in the rotation speed of a transferring drum, a power source voltage to be applied to a transferring head and a relative position between the transferring drum and the recording paper. This correction can achieve improved transference of the image data on the recording paper.
摘要翻译：在将具有音调的彩色图像数据传送到记录纸上时，根据具有点排列的图像数据来选择用于调整色调的阈值矩阵数据。所选择的阈值矩阵数据的阈值转换曲线用于校正由于彩色图像传送装置中的机械和电气变化引起的图像数据的色调变化，包括转印鼓的转速变动，电源电压适用于转印头和转印鼓与记录纸之间的相对位置。该校正可以改善记录纸上的图像数据的改进。

8. 发明授权

US12153838B2 Image forming apparatus, system, and method for detecting malfunction 有权
公开(公告)号：US12153838B2
公开(公告)日：2024-11-26
申请号：US18234878
申请日：2023-08-17
申请人： Takuhei Yokoyama , Ayumu Hashimoto , Shogo Nakamura , Akito Yoshimura , Masaki Yoshino , Keiji Kunimi
发明人： Takuhei Yokoyama , Ayumu Hashimoto , Shogo Nakamura , Akito Yoshimura , Masaki Yoshino , Keiji Kunimi
IPC分类号： G06F3/12
CPC分类号： G06F3/121 , G06F3/1234
摘要： An image forming apparatus, a system, and a method. The image forming apparatus includes an image forming engine to form an image on a recording medium, interrupts an image formation by the image forming engine in response to a malfunction, detects a recording medium on which the image formation is interrupted, and notifies an external device of a detection result of the recording medium.

9. 发明申请

US20200336622A1 IMAGE FORMING APPARATUS, INFORMATION PROCESSING APPARATUS, PRINTING SYSTEM, PRINTING METHOD, AND STORAGE MEDIUM 审中-公开
公开(公告)号：US20200336622A1
公开(公告)日：2020-10-22
申请号：US16844232
申请日：2020-04-09
申请人： Keiji KUNIMI , Yutaka ATAKU , Noboru TAMURA , Ryo KOBAYASHI , Hiroki MATSUURA , Yoshio TAGA , Kaname NOMURA
发明人： Keiji KUNIMI , Yutaka ATAKU , Noboru TAMURA , Ryo KOBAYASHI , Hiroki MATSUURA , Yoshio TAGA , Kaname NOMURA
IPC分类号： H04N1/60
摘要： There is provided an image forming apparatus for performing printing in a plurality of colors. The image forming apparatus includes processing circuitry. The processing circuitry is configured to receive first print data in which an object to be printed in a spot color is designated in a first area in a document to be printed and second print data of the document to be printed from an information processing apparatus; convert the second print data received by the communication unit into image data of a predetermined color; extract an image of the first area from the image data obtained by conversion of the drawing unit; convert the image of the first area extracted by the spot color image control unit into the spot color; and generate image data of the spot color in which the image of the first area converted by the conversion unit is placed.

10. 发明授权

US10725420B2 Image forming apparatus having toner amount suppression control 有权
公开(公告)号：US10725420B2
公开(公告)日：2020-07-28
申请号：US16226788
申请日：2018-12-20
申请人： Masato Tanaka , Keiji Kunimi , Masaki Yoshino , Kazumi Suzuki
发明人： Masato Tanaka , Keiji Kunimi , Masaki Yoshino , Kazumi Suzuki
IPC分类号： G03G15/00 , G03B21/04 , G03G21/04 , H04N1/60
摘要： An image forming apparatus including an image forming unit, a fixing device, and circuitry is provided. The image forming unit is configured to perform a special image forming operation that forms a color toner image and a special toner image with a color toner and a special toner, respectively, on a recording medium and a normal image forming operation that forms the color toner image without forming the special toner image on the recording medium. The fixing device is configured to fix the color toner image and the special toner image on the recording medium. The circuitry is configured to perform, in the special image forming operation, a toner amount suppression control that makes an amount of the color toner on the recording medium per unit area smaller than that in the normal image forming operation.

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