Patents by Inventor HIROYOSHI OHI

HIROYOSHI OHI 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: 20240092093
    Abstract: A manufacturing system manufactures a predetermined product by printing and applying a coating agent to a base material made of resin. In a coating device of the manufacturing system, as a nozzle spraying the coating agent moves once in a first direction, a linear coating agent being the coating agent in a line shape with the first direction as a longitudinal direction is applied to the base material. A host control device creates application data for applying the coating agent to the base material by the coating device based on image data as data of an image to be printed on the base material by printing devices, and the application data includes, for applying the linear coating agents to the base material, spray range data of the coating agent from the nozzle in the first direction, and application interval data of the linear coating agents in a second direction.
    Type: Application
    Filed: March 16, 2022
    Publication date: March 21, 2024
    Applicant: MIMAKI ENGINEERING CO., LTD.
    Inventors: Takuhide Misaizu, Hiroyoshi Ohi
  • Patent number: 11607851
    Abstract: To provide a building method and a building apparatus for building an object having an inconspicuous deposition streak. The building method includes: receiving, from a user, a data on a thickness of a machining allowance added to the object; generating a building data to which a machining allowance having an input thickness is added; generating the object by depositing a building material based on the building data; and polishing a surface of the object.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: March 21, 2023
    Assignee: MIMAKI ENGINEERING CO., LTD.
    Inventors: Yoshihiro Tanaka, Hiroyoshi Ohi
  • Patent number: 11220067
    Abstract: A shaping system is provided and includes: a shaping executing part configured to execute shaping of a three-dimensional object and including multiple inkjet heads that respectively discharge ink droplets of colors different from each other; and a shaping controlling part configured to control an operation of the shaping executing part. The shaping controlling part accepts a designation of a shaping color being a color of the three-dimensional object to be shaped based on a shaping data from an user, and causes the shaping executing part to shape the three-dimensional object so that at least an outer appearance of the three-dimensional object is colored in the shaping color which is designated. The shaping executing part shapes the three-dimensional object according to a control by the shaping controlling part, and colors at least an outer appearance of the three-dimensional object in the shaping color designated by the user using multiple inkjet heads.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: January 11, 2022
    Assignee: MIMAKI ENGINEERING CO., LTD.
    Inventors: Kunio Hakkaku, Hiroyoshi Ohi
  • Patent number: 11207829
    Abstract: A molding device that molds a stereoscopic molding object through a layered molding method, where after molding of at least one molding object is started and before the molding of the at least one molding object is completed, molding of another molding object is started. The molding device 10, for example, includes an ejection head, and a molding object supporter, the molding object supporter includes, for example, a plurality of molding tables, at least an opposing surface of each molding table is independently movable, an ejection head ejects a material toward the opposing surface of at least one molding table to mold the molding object on the molding table, and at least the opposing surface of the molding table on which the molding object is molded is moved in a perpendicular direction to move the molding object in the perpendicular direction.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: December 28, 2021
    Assignee: MIMAKI ENGINEERING CO., LTD.
    Inventors: Kunio Hakkaku, Hiroyoshi Ohi
  • Publication number: 20200316849
    Abstract: A building apparatus (10) that builds an object in three-dimensional includes: a head (12) serving as a material ejector that ejects a material used for building the object (50); and a controller (20) that controls an operation of the head (12). The head (12) ejects at least a material for coloring. In a case of building the object (50) that is colored, the head (12) forms at least a colored region that is a layer region along a surface shape of the object (50) to be built and is colored with the material for coloring. The controller (20) causes the head (12) to form a colored region so that the colored region in a normal direction of the object (50) that is a direction perpendicular to the surface of the object (50) has a constant thickness set in advance.
    Type: Application
    Filed: May 19, 2017
    Publication date: October 8, 2020
    Applicant: MIMAKI ENGINEERING CO., LTD.
    Inventors: Hiroyoshi Ohi, Kunio Hakkaku
  • Publication number: 20200307120
    Abstract: A shaping system is provided and includes: a shaping executing part configured to execute shaping of a three-dimensional object and including multiple inkjet heads that respectively discharge ink droplets of colors different from each other; and a shaping controlling part configured to control an operation of the shaping executing part. The shaping controlling part accepts a designation of a shaping color being a color of the three-dimensional object to be shaped based on a shaping data from an user, and causes the shaping executing part to shape the three-dimensional object so that at least an outer appearance of the three-dimensional object is colored in the shaping color which is designated. The shaping executing part shapes the three-dimensional object according to a control by the shaping controlling part, and colors at least an outer appearance of the three-dimensional object in the shaping color designated by the user using multiple inkjet heads.
    Type: Application
    Filed: June 12, 2020
    Publication date: October 1, 2020
    Applicant: MIMAKI ENGINEERING CO., LTD.
    Inventors: Kunio Hakkaku, Hiroyoshi Ohi
  • Patent number: 10730244
    Abstract: A shaping system configured to shape a three-dimensional object based on shaping data includes: a shaping executing part configured to execute shaping of the three-dimensional object; and a shaping controlling part configured to control an operation of the shaping executing part, where the shaping controlling part is capable of executing: a first shaping control for causing the shaping executing part to shape a first three-dimensional object using the shaping data that expresses the first three-dimensional object, and a second shaping control for causing the shaping executing part to shape a second three-dimensional object using at least a part of the shaping data that expresses the first three-dimensional object, and the second three-dimensional object is a three-dimensional object for checking a shaping quality of the first three-dimensional object, and is a three-dimensional object that can be shaped in a shorter time than time required for shaping the first three-dimensional object.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: August 4, 2020
    Assignee: MIMAKI ENGINEERING CO., LTD.
    Inventors: Kunio Hakkaku, Hiroyoshi Ohi
  • Publication number: 20200189185
    Abstract: A three-dimensional object that maintains a satisfactory visual color quality when the object is observed at different positions or through different angles, and a three-dimensional shaping apparatus for and a three-dimensional shaping method of shaping such a three-dimensional object are provided. The three-dimensional object includes: a shaping base having a first and second outer surfaces adjacent to each other at an adjacent angle; a first colored layer formed on the first outer surface and including a transparent material colored in a first color; a second colored layer formed on the second outer surface and including a transparent material colored in a second color different from the first color; and a partition layer interposed between the side surfaces of the first colored layer and the second colored layer. The partition layer is opaque and has one of the first color, the second color, and an achromatic color.
    Type: Application
    Filed: February 26, 2020
    Publication date: June 18, 2020
    Applicant: MIMAKI ENGINEERING CO., LTD.
    Inventors: Hiroyoshi Ohi, Kazuhiro Ochi, Masakatsu Okawa
  • Patent number: 10639853
    Abstract: A three-dimensional object that maintains a satisfactory visual color quality when the object is observed at different positions or through different angles, and a three-dimensional shaping apparatus for and a three-dimensional shaping method of shaping such a three-dimensional object are provided. The three-dimensional object includes: a shaping base having a first and second outer surfaces adjacent to each other at an adjacent angle; a first colored layer formed on the first outer surface and including a transparent material colored in a first color; a second colored layer formed on the second outer surface and including a transparent material colored in a second color different from the first color; and a partition layer interposed between the side surfaces of the first colored layer and the second colored layer. The partition layer is opaque and has one of the first color, the second color, and an achromatic color.
    Type: Grant
    Filed: December 8, 2016
    Date of Patent: May 5, 2020
    Assignee: MIMAKI ENGINEERING CO., LTD.
    Inventors: Hiroyoshi Ohi, Kazuhiro Ochi, Masakatsu Okawa
  • Patent number: 10538038
    Abstract: An inkjet forming method is provided and is a three-dimensional object forming method for forming a three-dimensional object in which a target object and a removable portion are integrally formed by vertically stacking a plurality of forming layers in a vertical direction. The inkjet forming method includes: forming the forming layer to include a target layer to be the target object after shaping and a removable layer to be the removable portion after shaping; with respect to the forming layers being vertically stacked in the vertical direction, forming the removable layer to be arranged at an outside of the target layer, and forming an outer contour of the removable layer disposed at a lower side outward than an outer contour of the removable layer disposed at an upper side; and during forming the forming layers, forming the target layer and the removable layer simultaneously with ink droplets ejected by an inkjet printing.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: January 21, 2020
    Assignee: MIMAKI ENGINEERING CO., LTD.
    Inventors: Kunio Hakkaku, Hiroyoshi Ohi, Masaya Nagahari
  • Publication number: 20190389136
    Abstract: A shaped object includes a colored region and a light reflecting region. In shape data on the shaped object provided in its surface with a recess, first and second polygons are connected to each other in a recessed manner. When a region of the shaped object corresponding to a region formed by translating the first polygon by a thickness of the colored region in its normal direction is indicated as a first extension region, and a region of the shaped object corresponding to a region formed by translating the second polygon by the thickness of the colored region in its normal direction is indicated as a second extension region to be colored, a connection region between the first and second extension regions in the colored region is formed of a transparent material, or a material identical to a light reflective material constituting the light reflecting region, in the shaping method.
    Type: Application
    Filed: June 18, 2019
    Publication date: December 26, 2019
    Applicant: MIMAKI ENGINEERING CO., LTD.
    Inventors: Kunio Hakkaku, Hiroyoshi Ohi
  • Patent number: 10319153
    Abstract: A color adjustment unit in a shaping controller includes a 3D/2D conversion unit which converts 3D data representing a three-dimensional object having colored layers formed on the surface thereof into 2D data; a two-dimensional color patch data creating unit which creates, as two-dimensional color patch data, a plurality of 2D images in which at least one kind of parameter of a plurality of kinds of parameters related to a color of each layer of the colored layers in the converted 2D data is set at a plurality of different levels; a three-dimensional color patch data creating unit which applies thickness information about thicknesses of the colored layers depending on the number of layers of the colored layers to the two-dimensional color patch data to create three-dimensional color patch data; and a color patch layering unit which layers three-dimensional color patches depending on the thickness according to the three-dimensional color patch data.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: June 11, 2019
    Assignee: MIMAKI ENGINEERING CO., LTD.
    Inventors: Masaya Nagahari, Hiroyoshi Ohi
  • Publication number: 20190143588
    Abstract: A molding device that molds a stereoscopic molding object through a layered molding method, where after molding of at least one molding object is started and before the molding of the at least one molding object is completed, molding of another molding object is started. The molding device 10, for example, includes an ejection head, and a molding object supporter, the molding object supporter includes, for example, a plurality of molding tables, at least an opposing surface of each molding table is independently movable, an ejection head ejects a material toward the opposing surface of at least one molding table to mold the molding object on the molding table, and at least the opposing surface of the molding table on which the molding object is molded is moved in a perpendicular direction to move the molding object in the perpendicular direction.
    Type: Application
    Filed: April 27, 2017
    Publication date: May 16, 2019
    Applicant: MIMAKI ENGINEERING CO., LTD.
    Inventors: Kunio Hakkaku, Hiroyoshi Ohi
  • Publication number: 20190099955
    Abstract: To provide a building method and a building apparatus for building an object having an inconspicuous deposition streak. The building method includes: receiving, from a user, a data on a thickness of a machining allowance added to the object; generating a building data to which a machining allowance having an input thickness is added; generating the object by depositing a building material based on the building data; and polishing a surface of the object.
    Type: Application
    Filed: September 6, 2018
    Publication date: April 4, 2019
    Applicant: MIMAKI ENGINEERING CO., LTD.
    Inventors: Yoshihiro Tanaka, Hiroyoshi Ohi
  • Publication number: 20180304546
    Abstract: A shaping system configured to shape a three-dimensional object based on shaping data includes: a shaping executing part configured to execute shaping of the three-dimensional object; and a shaping controlling part configured to control an operation of the shaping executing part, where the shaping controlling part is capable of executing: a first shaping control for causing the shaping executing part to shape a first three-dimensional object using the shaping data that expresses the first three-dimensional object, and a second shaping control for causing the shaping executing part to shape a second three-dimensional object using at least a part of the shaping data that expresses the first three-dimensional object, and the second three-dimensional object is a three-dimensional object for checking a shaping quality of the first three-dimensional object, and is a three-dimensional object that can be shaped in a shorter time than time required for shaping the first three-dimensional object.
    Type: Application
    Filed: October 21, 2016
    Publication date: October 25, 2018
    Applicant: MIMAKI ENGINEERING CO., LTD.
    Inventors: Kunio Hakkaku, Hiroyoshi Ohi
  • Publication number: 20180250883
    Abstract: A three-dimensional object building method and a three-dimensional printer capable of accurately reproducing the color of a three-dimensional object on three-dimensional data are provided. The three-dimensional object building method includes a slice information calculating process that divides three-dimensional data of a three-dimensional object into a plurality of layers to calculate cross-sectional slice information of each of the layers; a unit layer forming process that forms each layer based on the cross-sectional slice information, and repeats the unit layer forming process a plurality of times; a parameter value determining process that determines a value of a color adjustment parameter used for adjusting a color parameter for forming a color portion, according to a value of an angle of a surface of the color portion of the three-dimensional object relative to a reference plane; and a parameter reflecting process that reflects the color adjustment parameter on the cross-sectional slice information.
    Type: Application
    Filed: March 1, 2018
    Publication date: September 6, 2018
    Applicant: MIMAKI ENGINEERING CO., LTD.
    Inventors: Masaya Nagahari, Hiroyoshi Ohi, Kazuhiro Ochi
  • Publication number: 20180117847
    Abstract: [Object] It is an object to provide a method for forming a three-dimensional object and a three-dimensional printer that inhibit lines from being generated on a surface of a three-dimensional object. [Means of Realizing the Object] In a method for forming a three-dimensional object, an ink-jet printer forms a three-dimensional object based on three-dimensional data including shape data for specifying a shape of the three-dimensional object and surface image data including a plurality of pixels and representing a surface image of the three-dimensional object. The method for forming a three-dimensional object includes a surface image processing step (step ST2), a slice data calculating step (step ST4), and a unit layer forming step (step ST6). The surface image processing step (step ST2) includes performing image processing to set the color of ink extruded for each pixel.
    Type: Application
    Filed: April 12, 2016
    Publication date: May 3, 2018
    Inventor: Hiroyoshi OHI
  • Publication number: 20180056580
    Abstract: The method includes a three-dimensional structure forming step of stacking the ink layers to form a three-dimensional structure including the three-dimensional object and a support member that supports the three-dimensional object, and a separating step of separating the support member from the three-dimensional object subsequent to the three-dimensional structure forming step. Subsequent to the separating step, the support member is combined with the three-dimensional object to protect the three-dimensional object.
    Type: Application
    Filed: August 22, 2017
    Publication date: March 1, 2018
    Inventors: Kazuhiro OCHI, Hiroyoshi OHI, Kohei KOBAYASHI
  • Publication number: 20180056591
    Abstract: A method includes an object segment forming step of forming a plurality of object segments and a joining step of joining the plurality of object segments to each other via joint surfaces. The object segment forming step includes forming a first object segment having an upper surface serving as a first joint surface and a second object segment having an upper surface serving as a second joint surface or forming the first object segment having a lower surface serving as the first joint surface and the second object segment having a lower surface serving as the second joint surface.
    Type: Application
    Filed: August 22, 2017
    Publication date: March 1, 2018
    Inventors: Kenji HARAYAMA, Masakatsu OKAWA, Kazuhiro OCHI, Hiroyoshi OHI
  • Publication number: 20180061140
    Abstract: A color adjustment unit in a shaping controller includes a 3D/2D conversion unit which converts 3D data representing a three-dimensional object having colored layers formed on the surface thereof into 2D data; a two-dimensional color patch data creating unit which creates, as two-dimensional color patch data, a plurality of 2D images in which at least one kind of parameter of a plurality of kinds of parameters related to a color of each layer of the colored layers in the converted 2D data is set at a plurality of different levels; a three-dimensional color patch data creating unit which applies thickness information about thicknesses of the colored layers depending on the number of layers of the colored layers to the two-dimensional color patch data to create three-dimensional color patch data; and a color patch layering unit which layers three-dimensional color patches depending on the thickness according to the three-dimensional color patch data.
    Type: Application
    Filed: August 28, 2017
    Publication date: March 1, 2018
    Inventors: Masaya NAGAHARI, Hiroyoshi OHI