Patents by Inventor Hiromitsu Yamaguchi

Hiromitsu Yamaguchi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11148431
    Abstract: Applying a metallic ink, then applying a chromatic color ink with high dye aggregability, and then applying a chromatic color ink with low dye aggregability improve the color development of the chromatic color ink with low dye aggregability.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: October 19, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiromitsu Yamaguchi, Fumitaka Goto, Yuto Kajiwara
  • Patent number: 11141992
    Abstract: Provided is an inkjet printing apparatus including: a print head configured to eject a metallic ink containing silver particles; a carriage configured to scan the print head; and a control unit configured to print a metallic image by causing the print head to eject the metallic ink while scanning the print head; a reduction unit configured to control ink ejection from the print head so as to reduce coloring of a metallic dot formed by ejecting the metallic ink; and a setting unit capable of setting a plurality of printing modes including a first printing mode in which the reduction unit controls the ink ejection from the print head to reduce the coloring to a first degree, and a second printing mode in which the reduction unit controls the ink ejection from the print head to reduce the coloring to a second degree lower than the first degree.
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: October 12, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tsukasa Doi, Hiromitsu Yamaguchi, Akitoshi Yamada
  • Patent number: 11115564
    Abstract: Provided is an image processing apparatus including a generating unit configured to print data to be used in a process of printing a metallic image using a metallic ink containing silver particles in an inkjet printing apparatus capable of ejecting the metallic ink and at least one type of chromatic color ink; and an obtaining unit configured to obtain metallic image data corresponding to a predetermined region on a print medium and indicating a tone in the metallic image. The generation unit generates print data of the metallic ink to be printed in the predetermined region based on the metallic image data and generates print data of the chromatic color ink to be printed in the predetermined region based on the metallic image data obtained by the obtaining unit and pre-stored data indicating the correspondences between tone values of the metallic image data and amounts of the chromatic color ink.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: September 7, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tsukasa Doi, Hiromitsu Yamaguchi, Akitoshi Yamada
  • Publication number: 20210176376
    Abstract: An object of the present disclosure is to reduce the load of a user in a case where multiplexed information is embedded in an image. One embodiment of the present invention is an image processing apparatus having: a recognition unit configured to recognize an object within an image; a selection unit configured to select additional information corresponding to an object recognized by the recognition unit from among additional information stored in a storage unit; and a layout unit configured to lay out the additional information so that at least a part of an area in which additional information selected by the selection unit is embedded overlaps an area of an object recognized by the recognition unit.
    Type: Application
    Filed: December 3, 2020
    Publication date: June 10, 2021
    Inventors: Yoshinori Mizoguchi, Hiroaki Ogawa, Fumitaka Goto, Hiroyuki Sakai, Hiromitsu Yamaguchi, Tsukasa Doi, Takeru Sasaki
  • Publication number: 20210174468
    Abstract: Reduce image quality deterioration of an object area that is gazed viewed by a user in a case where information is embedded in an image. An image processing apparatus including a recognition unit configured to recognize an object within an image and a layout unit configured to lay out information relating to an object recognized by the recognition unit in an area except for an object area for the recognized object within the image.
    Type: Application
    Filed: December 7, 2020
    Publication date: June 10, 2021
    Inventors: Hiroaki Ogawa, Yoshinori Mizoguchi, Fumitaka Goto, Hiroyuki Sakai, Hiromitsu Yamaguchi, Tsukasa Doi, Takeru Sasaki
  • Patent number: 11014372
    Abstract: An object is to attain both a high-quality metallic color representation and suppression of a reduction in life of a nozzle. The present invention is a printing apparatus including: a conveyance unit configured to convey a printing medium in a first direction; a printing unit including a metallic array in which a plurality of printing elements for applying a metallic ink including metal particles is arrayed along the first direction and a color array in which a plurality of printing elements for applying a color ink including a color material is arrayed along the first direction; a scan unit configured to cause the printing unit to scan a plurality of times in a second direction intersecting with the first direction for a predetermined area on a printing medium; and a print control unit configured to control a printing operation so as to print a metallic color image.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: May 25, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiromitsu Yamaguchi, Fumitaka Goto, Yuto Kajiwara
  • Patent number: 10982106
    Abstract: An information processing device acquires information relating to a type of recording medium and outputs, on the basis of the acquired information, an instruction to display items for setting a color of a color metallic portion having color metallic luster, for recording an image by using a metallic ink.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: April 20, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiromitsu Yamaguchi, Fumitaka Goto, Yuto Kajiwara, Yoshinori Mizoguchi
  • Publication number: 20200406630
    Abstract: A recording apparatus includes a recording unit configured to apply a recording agent to a recording medium, the recording agent developing metallic luster when fixed to the recording medium, a conveyance unit configured to come into contact with the recording medium and convey the recording medium, after an image to be recorded on a side where the amount of the recording agent is smaller is recorded on a first side of the recording medium, an image to be recorded on a side where the amount of the recording agent is greater is recorded on a second side of the recording medium opposite from the first side.
    Type: Application
    Filed: June 22, 2020
    Publication date: December 31, 2020
    Inventors: Hiromitsu Yamaguchi, Yuto Kajiwara, Fumitaka Goto
  • Publication number: 20200406626
    Abstract: Applying a metallic ink, then applying a chromatic color ink with high dye aggregability, and then applying a chromatic color ink with low dye aggregability improve the color development of the chromatic color ink with low dye aggregability.
    Type: Application
    Filed: June 18, 2020
    Publication date: December 31, 2020
    Inventors: Hiromitsu Yamaguchi, Fumitaka Goto, Yuto Kajiwara
  • Patent number: 10875293
    Abstract: In a print head, a plurality of ejection ports for ejecting metallic ink, including a solvent and particles for imparting a metallic gloss, are arranged in a predetermined direction. A plurality of printing scans are performed to the same area of the print medium to print an image on the print medium. In the printing scan, the metallic ink being ejected from the print head to a print medium while moving the print head in a scanning direction intersecting the predetermined direction. At least one of the plurality of printing scans is set as a first scan having a higher print ratio than the other printing scans.
    Type: Grant
    Filed: April 1, 2020
    Date of Patent: December 29, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Hiromitsu Yamaguchi, Fumitaka Goto, Yuto Kajiwara
  • Publication number: 20200324556
    Abstract: Provided is an inkjet printing apparatus including: a print head configured to eject a metallic ink containing silver particles; a carriage configured to scan the print head; and a control unit configured to print a metallic image by causing the print head to eject the metallic ink while scanning the print head; a reduction unit configured to control ink ejection from the print head so as to reduce coloring of a metallic dot formed by ejecting the metallic ink; and a setting unit capable of setting a plurality of printing modes including a first printing mode in which the reduction unit controls the ink ejection from the print head to reduce the coloring to a first degree, and a second printing mode in which the reduction unit controls the ink ejection from the print head to reduce the coloring to a second degree lower than the first degree.
    Type: Application
    Filed: April 2, 2020
    Publication date: October 15, 2020
    Inventors: Tsukasa Doi, Hiromitsu Yamaguchi, Akitoshi Yamada
  • Publication number: 20200324544
    Abstract: Provided is an inkjet printing apparatus including: a print head configured to eject a metallic ink containing silver particles; a carriage configured to scan the print head; and a control unit configured to control the print operation so as to print an image on a print medium by causing the print head to eject the metallic ink onto the print medium and thereby form dots on the print medium while causing the carriage to scan the print head a plurality of times over a predetermined region on the print medium, wherein the control unit controls the print operation so as to print the image by causing the print head to eject the metallic ink at the same pixel position on the print medium in two or more printing scans and thereby generate a superimposed dot.
    Type: Application
    Filed: April 8, 2020
    Publication date: October 15, 2020
    Inventors: Tsukasa Doi, Hiromitsu Yamaguchi, Akitoshi Yamada
  • Publication number: 20200329175
    Abstract: Provided is an image processing apparatus including a generating unit configured to print data to be used in a process of printing a metallic image using a metallic ink containing silver particles in an inkjet printing apparatus capable of ejecting the metallic ink and at least one type of chromatic color ink; and an obtaining unit configured to obtain metallic image data corresponding to a predetermined region on a print medium and indicating a tone in the metallic image. The generation unit generates print data of the metallic ink to be printed in the predetermined region based on the metallic image data and generates print data of the chromatic color ink to be printed in the predetermined region based on the metallic image data obtained by the obtaining unit and pre-stored data indicating the correspondences between tone values of the metallic image data and amounts of the chromatic color ink.
    Type: Application
    Filed: April 8, 2020
    Publication date: October 15, 2020
    Inventors: Tsukasa Doi, Hiromitsu Yamaguchi, Akitoshi Yamada
  • Patent number: 10792916
    Abstract: In a first printing step, metallic ink is applied to a color metallic area where a color metallic image on a print medium having a receiving layer containing a dye coagulating agent for coagulating a dye is formed, while moving the print head in a main-scanning direction. In a conveyance step, a print medium is conveyed by a predetermined distance in a conveyance direction crossing the main-scanning direction, after the first printing step. In a second printing step, a first color ink is applied to the color metallic area while moving the print head in the main-scanning direction. an application time difference until application of the first color ink to the color metallic area in the second printing step after application of the metallic ink to the color metallic area in the first printing step is included in a target range regardless of the image data.
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: October 6, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Fumitaka Goto, Hiromitsu Yamaguchi, Yuto Kajiwara
  • Patent number: 10719746
    Abstract: Ink containing metal particles is ejected from a print head, in accordance with a plurality of print ratios corresponding to a plurality of scans of the print head relative to a unit region of a print medium. At least one of the plurality of print ratios is set as a high print ratio which is higher than others. A height of the high print ratio, in a case where a scan corresponding to the high print ratio is a Lth (L: integral number) scan in the plurality of print scans, is higher than a height of the high print ratio, in a case where a scan corresponding to the high print ratio is a Nth (N>L; N: integral number) scan in the plurality of print scans.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: July 21, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Fumitaka Goto, Hiromitsu Yamaguchi, Yuto Kajiwara
  • Publication number: 20200223223
    Abstract: In a print head, a plurality of ejection ports for ejecting metallic ink, including a solvent and particles for imparting a metallic gloss, are arranged in a predetermined direction. A plurality of printing scans are performed to the same area of the print medium to print an image on the print medium. In the printing scan, the metallic ink being ejected from the print head to a print medium while moving the print head in a scanning direction intersecting the predetermined direction. At least one of the plurality of printing scans is set as a first scan having a higher print ratio than the other printing scans.
    Type: Application
    Filed: April 1, 2020
    Publication date: July 16, 2020
    Inventors: Hiromitsu Yamaguchi, Fumitaka Goto, Yuto Kajiwara
  • Publication number: 20200172749
    Abstract: An information processing device acquires information relating to a type of recording medium and outputs, on the basis of the acquired information, an instruction to display items for setting a color of a color metallic portion having color metallic luster, for recording an image by using a metallic ink.
    Type: Application
    Filed: November 21, 2019
    Publication date: June 4, 2020
    Inventors: Hiromitsu Yamaguchi, Fumitaka Goto, Yuto Kajiwara, Yoshinori Mizoguchi
  • Patent number: 10661486
    Abstract: The present invention provides an imprint system including a processing unit configured to perform an imprint process, the processing unit including a dispenser configured to supply a droplet of an imprint material onto a substrate, a library configured to manage a plurality of different maps each indicating at least one of a supply position and a supply amount for a droplet to be supplied on the substrate from the dispenser, and a control unit configured to select one map to be used in the imprint process from the plurality of maps managed in the library based on information about a change of a result of the imprint process caused by a temporal change of at least one of a mold and the dispenser.
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: May 26, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Takuro Yamazaki, Tomomi Funayoshi, Hiromitsu Yamaguchi, Masayoshi Fujimoto
  • Patent number: 10639884
    Abstract: In a print head, a plurality of ejection ports for ejecting metallic ink, including a solvent and particles for imparting a metallic gloss, are arranged in a predetermined direction. A plurality of printing scans are performed to the same area of the print medium to print an image on the print medium. In the printing scan, the metallic ink being ejected from the print head to a print medium while moving the print head in a scanning direction intersecting the predetermined direction. At least one of the plurality of printing scans is set as a first scan having a higher print ratio than the other printing scans.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: May 5, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Hiromitsu Yamaguchi, Fumitaka Goto, Yuto Kajiwara
  • Publication number: 20190381791
    Abstract: In a first printing step, metallic ink is applied to a color metallic area where a color metallic image on a print medium having a receiving layer containing a dye coagulating agent for coagulating a dye is formed, while moving the print head in a main-scanning direction. In a conveyance step, a print medium is conveyed by a predetermined distance in a conveyance direction crossing the main-scanning direction, after the first printing step. In a second printing step, a first color ink is applied to the color metallic area while moving the print head in the main-scanning direction. an application time difference until application of the first color ink to the color metallic area in the second printing step after application of the metallic ink to the color metallic area in the first printing step is included in a target range regardless of the image data.
    Type: Application
    Filed: June 11, 2019
    Publication date: December 19, 2019
    Inventors: Fumitaka Goto, Hiromitsu Yamaguchi, Yuto Kajiwara