Patents by Inventor Naoki Kayahara

Naoki Kayahara 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).

  • Publication number: 20170072707
    Abstract: A printing apparatus includes a liquid ejecting section that is capable of ejecting a reactant liquid and an ink, and a control section that controls operation of the liquid ejecting section. The control section sets an ejection duty of the reactant liquid according to an ejection duty of the ink.
    Type: Application
    Filed: August 24, 2016
    Publication date: March 16, 2017
    Inventors: Masashi KAMIBAYASHI, Masako FUKUDA, Hironori SATO, Naoki KAYAHARA
  • Patent number: 9592677
    Abstract: A dot recording apparatus forms dots on a recording medium while relatively moving a recording head that includes a plurality of nozzles and the recording medium in a main scanning direction. The dot recording apparatus performs multi-pass recording in which dot recording on a main scanning line is completed by a plurality of main scanning passes. In dot recording in each main scanning pass, the dot recording is performed using a plurality of super cell regions that include m types of super cell regions having different sizes, the super cell region being formed as one dot group by some of the plurality of nozzles and having a boundary line portion which is not parallel to either the main scanning direction or a sub-scanning direction that intersects the main scanning direction in at least a portion of a boundary line between the super cell region and another super cell region.
    Type: Grant
    Filed: August 18, 2015
    Date of Patent: March 14, 2017
    Assignee: Seiko Epson Corporation
    Inventor: Naoki Kayahara
  • Publication number: 20170008313
    Abstract: A liquid ejecting apparatus includes a forming section which forms an image on a medium, a transport section which transports the medium in a first direction, and a heating section which heats a transport path on which the medium is transported, in which the forming section includes a first forming section which forms a pre-treatment liquid layer that includes a thermosetting resin on the medium, a liquid ejecting head which forms an image layer on the medium by ejecting liquid, and a second forming section which forms a post-treatment liquid layer that includes a thermosetting resin and is different from the pre-treatment liquid layer on the medium, and B<A and B<C in a case where content of the thermosetting resin in the pre-treatment liquid is A, content of the thermosetting resin in the liquid is B, and content of the thermosetting resin in the post-treatment liquid is C.
    Type: Application
    Filed: July 8, 2016
    Publication date: January 12, 2017
    Inventors: Toshinobu YAMAZAKI, Takayoshi KAGATA, Naoki KAYAHARA, Masashi KAMIBAYASHI, Yohei SHIBATA, Kazunari TSUKADA
  • Patent number: 9493020
    Abstract: A dot recording apparatus forms dots on a recording medium while relatively moving a recording head that includes a plurality of nozzles and the recording medium in a main scanning direction. The dot recording apparatus performs multi-pass recording in which dot recording on a main scanning line is completed by a plurality of main scanning passes. In dot recording in each main scanning pass, the dot recording is performed with a super cell region as a unit, the super cell region including one or more unit super cells formed as a dot group of one mass by some of the plurality of nozzles. In the same main scanning pass, the number of unit super cells recorded by m nozzles at an end portion of the recording head is smaller than the number of unit super cells recorded by m nozzles at a center portion of the recording head.
    Type: Grant
    Filed: August 18, 2015
    Date of Patent: November 15, 2016
    Assignee: Seiko Epson Corporation
    Inventor: Naoki Kayahara
  • Publication number: 20160129713
    Abstract: A dot recording apparatus forms dots on a recording medium while relatively moving a recording head that includes a plurality of nozzles and the recording medium in a main scanning direction. The dot recording apparatus performs multi-pass recording in which dot recording on a main scanning line is completed by a plurality of main scanning passes. In dot recording in each main scanning pass, the dot recording is performed with a super cell region as a unit, the super cell region including one or more unit super cells formed as a dot group of one mass by some of the plurality of nozzles. In the same main scanning pass, the number of unit super cells recorded by m nozzles at an end portion of the recording head is smaller than the number of unit super cells recorded by m nozzles at a center portion of the recording head.
    Type: Application
    Filed: August 18, 2015
    Publication date: May 12, 2016
    Inventor: Naoki KAYAHARA
  • Publication number: 20160129710
    Abstract: A dot recording apparatus forms dots on a recording medium while relatively moving a recording head that includes a plurality of nozzles and the recording medium in a main scanning direction. The dot recording apparatus performs multi-pass recording in which dot recording on a main scanning line is completed by a plurality of main scanning passes. In dot recording in each main scanning pass, the dot recording is performed using a plurality of super cell regions that include m types of super cell regions having different sizes, the super cell region being formed as one dot group by some of the plurality of nozzles and having a boundary line portion which is not parallel to either the main scanning direction or a sub-scanning direction that intersects the main scanning direction in at least a portion of a boundary line between the super cell region and another super cell region.
    Type: Application
    Filed: August 18, 2015
    Publication date: May 12, 2016
    Inventor: Naoki KAYAHARA
  • Patent number: 9278523
    Abstract: Multi-pass recording is executed for each of n types of super cell regions that are each defined as a region that contains pixel positions in which recording of dots is performed in various types of main scan passes of n types of main scan passes. The n types of super cell regions (i) include a boundary portion that is not parallel to either a main scanning direction or a sub-scanning direction in at least a portion of a boundary of the individual super cell regions, and (ii) are arranged such that the boundary of the n types of super cell regions appears periodically repeating along both the main scanning direction and the sub-scanning direction.
    Type: Grant
    Filed: July 11, 2014
    Date of Patent: March 8, 2016
    Assignee: Seiko Epson Corporation
    Inventors: Naoki Kayahara, Tomohiro Yuda
  • Patent number: 8960841
    Abstract: A printing apparatus includes a printing mechanism performing printing by ejecting ink from a printing head which is relatively moved with respect to the printed medium and a printing control section controlling operation of the printing mechanism. A plurality of nozzle rows are formed side by side for each of ink types in a main scanning direction in the printing head. The printing mechanism includes a transportation section which is configured so as to be capable of switching a transportation direction of the printed medium between a first direction and a second direction. The printing control section performs the printing by switching the first printing mode which uses two or more nozzle rows and the second printing mode which uses one or more nozzle rows, which is caused by switching the transportation direction.
    Type: Grant
    Filed: July 11, 2013
    Date of Patent: February 24, 2015
    Assignee: Seiko Epson Corporation
    Inventors: Kohei Utsunomiya, Naoki Kayahara
  • Publication number: 20150015626
    Abstract: Multi-pass recording is executed for each of n types of super cell regions that are each defined as a region that contains pixel positions in which recording of dots is performed in various types of main scan passes of n types of main scan passes. The n types of super cell regions (i) include a boundary portion that is not parallel to either a main scanning direction or a sub-scanning direction in at least a portion of a boundary of the individual super cell regions, and (ii) are arranged such that the boundary of the n types of super cell regions appears periodically repeating along both the main scanning direction and the sub-scanning direction.
    Type: Application
    Filed: July 11, 2014
    Publication date: January 15, 2015
    Inventors: Naoki KAYAHARA, Tomohiro YUDA
  • Publication number: 20140015883
    Abstract: A printing apparatus includes a printing mechanism performing printing by ejecting ink from a printing head which is relatively moved with respect to the printed medium and a printing control section controlling operation of the printing mechanism. A plurality of nozzle rows are formed side by side for each of ink types in a main scanning direction in the printing head. The printing mechanism includes a transportation section which is configured so as to be capable of switching a transportation direction of the printed medium between a first direction and a second direction. The printing control section performs the printing by switching the first printing mode which uses two or more nozzle rows and the second printing mode which uses one or more nozzle rows, which is caused by switching the transportation direction.
    Type: Application
    Filed: July 11, 2013
    Publication date: January 16, 2014
    Inventors: Kohei UTSUNOMIYA, Naoki KAYAHARA
  • Patent number: 8360544
    Abstract: In a printing device includes a plurality of heads corresponding to black K ink and colored inks C, M, and Y, wherein the heads are extended in a direction orthogonal to a conveying direction of a medium and are disposed in parallel from the upstream side to the downstream side, and ink droplets are discharged and deposited on the medium in order from the heads while the medium is being conveyed, a print condition setting method includes the steps of setting an order in accordance with the extent of concentration irregularity in the composite colors RGB; and creating, within the discharge order of the inks, the most separation of discharge order between the two colored inks that manifest the composite color having the greatest concentration irregularity, and inserting K ink between the discharge orders of the two colored inks that manifest the composite colors having the second greatest concentration irregularity.
    Type: Grant
    Filed: January 13, 2011
    Date of Patent: January 29, 2013
    Assignee: Seiko Epson Corporation
    Inventor: Naoki Kayahara
  • Patent number: 8251489
    Abstract: A liquid ejecting device includes a head unit having a first nozzle array and a second nozzle array that ejects a liquid of a same type as that of the first nozzle array and a movement mechanism that moves at least one between a target in which the liquid lands and the head unit in a movement direction that intersects with a direction of nozzle arrangement of each of the nozzle arrays. The second nozzle array is disposed in a position deviated from the first nozzle array in the movement direction and is disposed in a position deviated from the first nozzle array in the intersection direction such that an end part of the second nozzle array is located in a center part of the first nozzle array in the intersection direction that intersects with the movement direction.
    Type: Grant
    Filed: December 1, 2008
    Date of Patent: August 28, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Naoki Kayahara, Toru Miyamoto
  • Patent number: 8070257
    Abstract: A liquid ejecting apparatus includes a first head having a first nozzle group in which nozzles from which a first liquid is ejected are aligned in a nozzle-row direction at a predetermined pitch and a second nozzle group in which nozzles from which a second liquid is ejected are aligned in the nozzle-row direction at the predetermined pitch, the nozzles in the first nozzle group being positioned between the nozzles in the second nozzle group in the nozzle-row direction; a second head having a third nozzle group in which nozzles from which the first liquid is ejected are aligned in the nozzle-row direction at the predetermined pitch and a fourth nozzle group in which nozzles from which the second liquid is ejected are aligned in the nozzle-row direction at the predetermined pitch, the nozzles in the third nozzle group being positioned between the nozzles in the fourth nozzle group in the nozzle-row direction; and a moving mechanism that moves the first head and the second head relative to a medium in a directi
    Type: Grant
    Filed: May 4, 2009
    Date of Patent: December 6, 2011
    Assignee: Seiko Epson Corporation
    Inventor: Naoki Kayahara
  • Publication number: 20110175961
    Abstract: In a printing device includes a plurality of heads corresponding to black K ink and colored inks C, M, and Y, wherein the heads are extended in a direction orthogonal to a conveying direction of a medium and are disposed in parallel from the upstream side to the downstream side, and ink droplets are discharged and deposited on the medium in order from the heads while the medium is being conveyed, a print condition setting method includes the steps of setting an order in accordance with the extent of concentration irregularity in the composite colors RGB; and creating, within the discharge order of the inks, the most separation of discharge order between the two colored inks that manifest the composite color having the greatest concentration irregularity, and inserting K ink between the discharge orders of the two colored inks that manifest the composite colors having the second greatest concentration irregularity.
    Type: Application
    Filed: January 13, 2011
    Publication date: July 21, 2011
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Naoki KAYAHARA
  • Patent number: 7952715
    Abstract: A printing device calculates a status value of a surface of a print medium to determine the appropriateness of the print medium for printing. Light fluxes are inputted to the surface of the print medium at an incidence angle. An image pickup unit picks up reflection light fluxes and a measurement-target surface status value calculating unit calculates a status value relating to the appropriateness of the print medium for printing based on the picked up luminance information.
    Type: Grant
    Filed: March 18, 2008
    Date of Patent: May 31, 2011
    Assignee: Seiko Epson Corporation
    Inventor: Naoki Kayahara
  • Patent number: 7931602
    Abstract: Exemplary embodiments of the invention provide a gaze guidance degree calculation system capable of implementing a compact and low-cost apparatus and surely obtaining a proper eye-flow. According to exemplary embodiments, a layout apparatus where a layout image is segmented into a plurality of regions, and positions of representative regions of the specific regions and gaze attraction strength indicating strength of gaze-attraction to the specific regions are calculated. Next, a plurality of the specific regions in the layout image are set by using a starting point as a reference, and gaze guidance strength indicating a degree of gaze-guidance from the starting point to the specific regions is generated based on the gaze-attraction strength of the representative points in the specific regions.
    Type: Grant
    Filed: March 23, 2005
    Date of Patent: April 26, 2011
    Assignee: Seiko Epson Corporation
    Inventors: Naoki Kayahara, Satoshi Yamada
  • Publication number: 20100118069
    Abstract: A printer has a head ejecting an ink including a colorant, water, an alcoholic solvent, and a surfactant to form an image, and a control portion controlling the head so as not to eject the ink to edge pixels when the image is formed on a medium. In the above printer, the alcoholic solvent contains at least one slightly water-soluble alkanediol.
    Type: Application
    Filed: November 12, 2009
    Publication date: May 13, 2010
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Naoki Kayahara, Shuichi Koganehira, Kentaro Miyazaki
  • Patent number: 7715029
    Abstract: A printing support system for reducing an environmental load that changes an input load of a print operation depending on data representing the environmental load includes: an environmental load calculation basis information storage unit that stores environmental load calculation basis information used to calculate the data representing the environmental load; a print request input unit through which a print request including a print setting is input; an environmental load calculation unit that calculates the data representing the environmental load on the basis of the print request input by the print request input unit and the environmental load calculation basis information stored in the environmental load calculation basis information storage unit; a print operation input unit through which a print operation for instructing to start printing is input; and a determination unit that, when it is determined that the print operation through the print operation input unit has been input more than a predetermined
    Type: Grant
    Filed: May 11, 2006
    Date of Patent: May 11, 2010
    Assignee: Seiko Epson Corporation
    Inventor: Naoki Kayahara
  • Publication number: 20100045727
    Abstract: A liquid ejecting apparatus includes: a head that ejects a liquid on a medium positioned in a printable area; a transporting unit that transports a first medium and a second medium successively in a transport direction; a first supporting member that supports a transport-direction upstream side end portion of the first medium and moves in the transport direction according to transportation of the first medium; and a second supporting member that supports a transport-direction downstream side end portion of the second medium and moves in the transport direction according to transportation of the second medium.
    Type: Application
    Filed: August 24, 2009
    Publication date: February 25, 2010
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Naoki Kayahara
  • Publication number: 20100026745
    Abstract: A liquid ejecting apparatus includes a head including: a first nozzle column where nozzles ejecting a first liquid are aligned in a predetermined direction at a predetermined interval; a second nozzle column where nozzles ejecting the first liquid are aligned in the predetermined direction at the predetermined interval; a third nozzle column where nozzles ejecting a second liquid are aligned in the predetermined direction at the predetermined interval; and a fourth nozzle column where nozzles ejecting the second liquid are aligned in the predetermined direction at the predetermined interval, wherein the first nozzle column is disposed off of the second nozzle column in a direction intersecting the predetermined direction, and the interval between a nozzle at an end portion of the first nozzle column and a nozzle at an end portion of the second nozzle column is the predetermined interval in the predetermined direction, wherein the fourth nozzle column is disposed off the third nozzle column in the direction in
    Type: Application
    Filed: August 4, 2009
    Publication date: February 4, 2010
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Naoki Kayahara