Patents by Inventor Kenta ANEGAWA

Kenta ANEGAWA 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: 11565452
    Abstract: An injection molding apparatus includes a plasticizing portion, a measurement injection portion that is disposed between the plasticizing portion and a molding mold, measures the plasticized material, and injects the measured plasticized material into the molding mold, a first drive portion changing a relative position between the plasticizing portion and the measurement injection portion, a pressure detection portion detecting a pressure inside the measurement injection portion and a control portion, in which the measurement injection portion is configured such that a volume of an internal space thereof, in which the plasticized material is stored, changes according to a change in the relative position between the measurement injection portion and the plasticizing portion, and the control portion executes at least one of a measurement operation of causing the measurement injection portion to measure the plasticized material by controlling the first drive portion to move the plasticizing portion and the measu
    Type: Grant
    Filed: June 14, 2021
    Date of Patent: January 31, 2023
    Inventors: Hidenobu Maruyama, Kenta Anegawa
  • Patent number: 11559952
    Abstract: A three-dimensional shaping system includes a first table provided with a first positioning mechanism, a first shaping machine configured to shape a first shaped object on the first table, a first cutting machine provided with a first mounting portion having a second positioning mechanism and configured to cut the first shaped object, a conveying machine configured to convey the first table between the first shaping machine and the first cutting machine, and a control unit configured to control the first shaping machine, the first cutting machine, and the conveying machine. The control unit controls the first shaping machine to shape the first shaped object, controls the conveying machine to convey the first table from the first shaping machine to the first cutting machine so that the first and second positioning mechanisms engage with each other, and controls the first cutting machine to cut the first shaped object.
    Type: Grant
    Filed: February 24, 2021
    Date of Patent: January 24, 2023
    Assignee: Seiko Epson Corporation
    Inventors: Kenta Anegawa, Daizo Aoyagi, Yusuke Watanabe, Kanji Okuyama
  • Patent number: 11554545
    Abstract: A method for producing a three-dimensional shaped article includes a first shaping step of shaping a first portion of the three-dimensional shaped article by ejecting a shaping material to a stage, and a second shaping step of shaping a second portion of the three-dimensional shaped article having an overlapping portion overlapping with the first portion, and a non-overlapping portion that does not overlap with the first portion, that forms a space between the same and the first portion, and that is in contact with the overlapping portion at one end. In the second shaping step, the overlapping portion is shaped by ejecting the shaping material onto the first portion, and thereafter, the non-overlapping portion is shaped by ejecting the shaping material so as to be in contact with the overlapping portion.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: January 17, 2023
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Kenta Anegawa, Daizo Aoyagi
  • Publication number: 20220379531
    Abstract: An injection molding apparatus includes a fixed die having a first gate opening and a second gate opening formed therein, a movable die configured to be clampable to the fixed die, a first injection unit that injects a first molding material into a cavity defined by the fixed die and the movable die via the first gate opening, and a second injection unit that injects a second molding material into the cavity via the second gate opening.
    Type: Application
    Filed: May 24, 2022
    Publication date: December 1, 2022
    Inventors: Hidenobu MARUYAMA, Kenta ANEGAWA, Keisuke AKIMOTO, Kei YOKOTA, Yasuto KANAI
  • Patent number: 11511471
    Abstract: An injection molding system includes: an injection molding machine configured to operate in accordance with a command generated using a first language, and inject a molten material into a mold to mold a molded object; a robot configured to operate in accordance with a command generated using a second language, and convey the molded object; and a control device configured to control the injection molding machine and the robot. When determining that an error occurs in at least one of the injection molding machine and the robot, the control device transmits, to the injection molding machine, a command generated using the first language and for causing the injection molding machine to execute a return operation, and transmits, to the robot, a command interpretable by the second language and for causing the robot to execute a return operation, so as to cause the injection molding machine and the robot to execute the return operations.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: November 29, 2022
    Assignee: Seiko Epson Corporation
    Inventors: Hiroki Takano, Kakeru Sasagawa, Kei Yokota, Kenta Anegawa, Seiichiro Yamashita, Riona Hayashi, Yuji Shinbaru
  • Patent number: 11491691
    Abstract: An injection molding system includes: an injection molding machine where a shaping mold is installed; a material supply device supplying a material to the injection molding machine; a temperature controller controlling a temperature of the shaping mold; a dryer drying a material stored in the material supply device; a controller controlling the injection molding machine; and a casing. The injection molding machine, the material supply device, the temperature controller, the dryer, and the controller are provided inside the casing. The casing has a caster and is configured to be movable.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: November 8, 2022
    Assignee: Seiko Epson Corporation
    Inventors: Kakeru Sasagawa, Kei Yokota, Kenta Anegawa, Seiichiro Yamashita, Yuji Shinbaru, Riona Hayashi
  • Publication number: 20220339867
    Abstract: A three-dimensional shaping device includes: a plasticization unit that plasticizes at least a part of a material to produce a shaping material; a nozzle that ejects the shaping material to an uppermost layer; a moving mechanism that changes a relative position between the nozzle and the uppermost layer; a control unit that controls the moving mechanism such that the shaping material is ejected from the nozzle to the uppermost layer; and a compression unit that has a contact surface with a shape surrounding the nozzle and is capable of compressing the shaping material by bringing the contact surface into contact with the shaping material ejected to the uppermost layer.
    Type: Application
    Filed: April 21, 2022
    Publication date: October 27, 2022
    Applicants: Seiko Epson Corporation, Seiko Epson Corporation
    Inventors: Tatsuya TSUBOI, Kenta ANEGAWA
  • Patent number: 11465347
    Abstract: A plasticizing device includes a driving motor, a rotor that is rotated by rotation of the driving motor and has a groove-formed surface having a groove formed in a rotation direction, and a barrel that is opposite to the groove-formed surface and has a communication hole and a heater, plasticizes a material supplied between the groove and the barrel by rotation of the rotor and heating by the heater, and causes the plasticized material to flow out from the communication hole. Aside surface of the groove has a protrusion and recess surface including protrusion portions or recess portions.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: October 11, 2022
    Inventors: Kakeru Sasagawa, Kei Yokota, Kenta Anegawa, Seiichiro Yamashita, Yusuke Watanabe, Yuichi Sasage, Mitsuru Inutsuka
  • Patent number: 11446876
    Abstract: A three-dimensional shaping apparatus includes a discharge portion discharging a shaping material, a shaping stage on which the shaping material discharged from the discharge portion is stacked, a temperature adjustment portion provided in the shaping stage to adjust a temperature of the shaping stage, and a control portion. The control portion stacks the shaping material on the shaping stage to shape and cure a three-dimensional shaping object while changing a relative position between the discharge portion and the shaping stage, and then, heats or cools a portion of the cured three-dimensional shaping object in contact with the shaping stage by controlling the temperature adjustment portion to adjust the temperature of the shaping stage.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: September 20, 2022
    Inventors: Yusuke Watanabe, Yuki Yamamoto, Kenta Anegawa
  • Patent number: 11426933
    Abstract: A molten material supplying apparatus includes: a first introduction unit introducing fiber material; a melting unit melting a thermoplastic resin into a molten material; a first flow path in which the molten material and the fiber material are distributed; and a nozzle communicating with the first flow path to feed a composite of the molten material and the fiber material. The melting unit includes: a facing section in which a communication hole communicating with the first flow path is formed, the facing section having a heater, and a flat screw which has a groove at a position facing the facing section, the flat screw being rotated to melt the thermoplastic resin into the molten material and supply the molten material into the communication hole. The first introduction unit introduces the fiber material into at least one of the communication hole and the first flow path.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: August 30, 2022
    Inventors: Kenta Anegawa, Yasuto Kanai, Kei Yokota, Koichi Saito
  • Patent number: 11400652
    Abstract: A three-dimensional shaping device includes: a melting unit configured to plasticize a material into a shaping material; a nozzle configured to discharge the shaping material toward a stage; a moving mechanism configured to change a relative position between the nozzle and the stage; a control unit configured to control the moving mechanism; and an air blowing unit having a plurality of air outlets that are disposed around the nozzle and through which warm air is blown toward the shaping material discharged from the nozzle.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: August 2, 2022
    Assignee: Seiko Epson Corporation
    Inventor: Kenta Anegawa
  • Publication number: 20220203620
    Abstract: A three-dimensional shaping apparatus includes a plasticizing section, a stage, an ejection section having a first nozzle and a second nozzle, each of which communicates with the plasticizing section, a first ejection adjusting section, a second ejection adjusting section, a moving section that relatively moves the ejection section with respect to the stage, and a control unit.
    Type: Application
    Filed: December 23, 2021
    Publication date: June 30, 2022
    Inventors: Riona TODA, Kenta ANEGAWA
  • Publication number: 20220176620
    Abstract: A method for manufacturing a molding mold used in an injection molding apparatus includes: generating a first plasticized material by plasticizing a first shaping material containing an amorphous metal and a resin; and shaping a laminate that is a part of the molding mold by discharging the first plasticized material toward a stage to laminate a layer.
    Type: Application
    Filed: December 6, 2021
    Publication date: June 9, 2022
    Inventors: Kenta ANEGAWA, Tatsuya TSUBOI, Fumiaki AKAHANE, Yuka WAKUDA
  • Publication number: 20220168936
    Abstract: A plasticizing device that plasticizes at least a part of a material to generate a plasticized material, the plasticizing device includes: a drive motor; a screw configured to rotate around a rotation axis by a drive force of the drive motor and having a groove forming surface in which a groove is formed; a speed reducer disposed between the drive motor and the screw and configured to transmit the drive force of the drive motor to the screw; a barrel having a facing surface facing the groove forming surface and having a through hole into which the plasticized material flows; a first heater configured to heat the material supplied between the screw and the barrel; a first cooling unit configured to cool the drive motor; and a heat insulating unit disposed between the first cooling unit and the speed reducer. At least a part of the heat insulating unit overlaps the first cooling unit when viewed along the rotation axis of the screw.
    Type: Application
    Filed: November 24, 2021
    Publication date: June 2, 2022
    Inventors: Hidenobu MARUYAMA, Daichi MIYASHITA, Yasuyuki TANAKA, Kenta ANEGAWA, Kenta OZAWA
  • Patent number: 11345086
    Abstract: Provided is a three-dimensional shaping device including a melting unit configured to melt a material into a shaping material, and a nozzle configured to discharge the shaping material supplied from the melting unit toward a stage. The melting unit includes a screw configured to rotate about a rotation axis and having a groove forming surface in which a groove to which the material is supplied is formed, a heating unit configured to heat the material supplied to the groove, a barrel having a facing surface that faces the groove forming surface and provided with a communication hole that communicates the facing surface with the nozzle, and a discharge amount adjustment mechanism provided in the communication hole and configured to adjust a flow rate of the shaping material discharged from the nozzle.
    Type: Grant
    Filed: November 5, 2020
    Date of Patent: May 31, 2022
    Inventors: Kenta Anegawa, Kohei Yuwaki, Yusuke Watanabe
  • Publication number: 20220161476
    Abstract: A plasticizing apparatus that plasticizes a material includes: a drive motor; a screw rotated by the drive motor and having a groove forming surface in which a groove is formed; and a barrel having a facing surface that faces the groove forming surface and provided with a heater and a communication hole. The barrel includes a first member, and a second member having thermal conductivity different from that of the first member, and the second member is provided closer to the communication hole than the first member.
    Type: Application
    Filed: November 22, 2021
    Publication date: May 26, 2022
    Inventors: Kakeru SASAGAWA, Kenta ANEGAWA
  • Patent number: 11331859
    Abstract: A plasticizing device includes a first member having a groove portion that has a spiral shape extending to a center, a motor that rotates the first member, a second member that faces the first member, and a heating unit for heating a material that is transported along the groove portion, the first member having a plurality of recessed portions on a bottom surface of the groove portion. By providing a plurality of recessed portions on the bottom surface of the first member through which the material flows, the rotational force of the rotating first member is easily transmitted to the material and the amount of material flowing in the first member can be increased.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: May 17, 2022
    Inventors: Yusuke Watanabe, Kei Yokota, Yuichi Sasage, Kenta Anegawa, Seiichiro Yamashita, Mitsuru Inutsuka, Kakeru Sasagawa
  • Publication number: 20220063143
    Abstract: Provided is a method for manufacturing a mold used in an injection molding device. The manufacturing method includes: a first step of shaping a stacked body as a part of the mold by discharging a shaping material to stack layers on a base plate; and a second step of manufacturing the mold including a mold base, the base plate, and the stacked body by incorporating the base plate on which the stacked body is shaped inside an opening provided in the mold base.
    Type: Application
    Filed: August 24, 2021
    Publication date: March 3, 2022
    Inventor: Kenta ANEGAWA
  • Publication number: 20220032536
    Abstract: A variation in a deposition amount per unit area of a plasticized material discharged from each nozzle and deposited on a stage due to a variation in a discharge amount of the plasticized material discharged from each nozzle is reduced. A three-dimensional shaping device includes: a plasticizing unit configured to generate a plasticized material by rotation of a screw; a discharge unit configured to discharge the plasticized material from a plurality of nozzles; a discharge amount adjustment unit configured to adjust a discharge amount of the plasticized material from each of the plurality of nozzles; a moving unit configured to relatively move the discharge unit with respect to a stage; and a control unit.
    Type: Application
    Filed: July 27, 2021
    Publication date: February 3, 2022
    Inventors: Kenta Anegawa, Riona Hayashi
  • Publication number: 20210402687
    Abstract: A three-dimensional shaping device includes: a plasticizing unit configured to plasticize a material to generate a plasticized material; a stage having a deposition surface on which the plasticized material is deposited; an ejection unit that has a plurality of nozzles arranged side by side along a first axis parallel to the deposition surface of the stage, and that is configured to eject the plasticized material in a continuous linear form from the plurality of nozzles toward the deposition surface; an ejection switching unit configured to individually switch between stopping and resuming ejection of the plasticized material from the plurality of nozzles; a moving unit configured to move the ejection unit with respect to the stage along a second axis that is parallel to the deposition surface of the stage and that intersects the first axis; and a control unit configured to laminate a shaping layer formed of the plasticized material on the deposited surface of the stage by controlling the plasticizing unit, t
    Type: Application
    Filed: June 25, 2021
    Publication date: December 30, 2021
    Inventors: Kenta ANEGAWA, Yasuto KANAI