Patents by Inventor Kazuyuki HARAYAMA

Kazuyuki HARAYAMA 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: 11992988
    Abstract: An injection molding apparatus includes a support that supports a molding die including an upper die and a lower die, and an injection unit that injects a molding material toward a cavity defined by the upper die and the lower die. In the state in which the molding die is supported by the support, the injection unit, the upper die, and the lower die are arranged sequentially from above in the vertical direction. The injection unit includes a rotating flat screw having a groove forming surface in which a groove is formed, a barrel having a flat screw facing surface facing the groove forming surface and having a communication hole into which the molding material flows, and a heater that heats a material supplied to the space between the groove forming surface and the flat screw facing surface, plasticizes at least part of the material through the rotation of the flat screw and the heat produced by the heater to produce the molding material, and delivers the molding material to the communication hole.
    Type: Grant
    Filed: May 23, 2022
    Date of Patent: May 28, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Hidenobu Maruyama, Kazuyuki Harayama, Yuta Sakai
  • Publication number: 20240033985
    Abstract: An injection molding device includes a housing having a door, an injection molding machine, a detection section, and a control section. The control section controls voltage applied to the mold clamping motor, and performs mold-clamping and mold-opening of the upper mold and the lower mold by either moving the injection unit and the upper mold along the vertical direction or by moving the lower mold along the vertical direction. The mold clamping device further includes a first brake section that, when application of voltage to the mold clamping motor is stopped, regulates movement of the injection unit and the upper mold in the vertical direction or movement of the lower mold in the vertical direction. When the detection section detects that the door is open or detects intrusion of foreign matter, the control section stops application of voltage to the mold clamping motor.
    Type: Application
    Filed: July 25, 2023
    Publication date: February 1, 2024
    Inventors: Hidenobu MARUYAMA, Kenta ANEGAWA, Kazuyuki HARAYAMA
  • Publication number: 20220371248
    Abstract: An injection molding apparatus includes a support that supports a molding die including an upper die and a lower die, and an injection unit that injects a molding material toward a cavity defined by the upper die and the lower die. In the state in which the molding die is supported by the support, the injection unit, the upper die, and the lower die are arranged sequentially from above in the vertical direction. The injection unit includes a rotating flat screw having a groove forming surface in which a groove is formed, a barrel having a flat screw facing surface facing the groove forming surface and having a communication hole into which the molding material flows, and a heater that heats a material supplied to the space between the groove forming surface and the flat screw facing surface, plasticizes at least part of the material through the rotation of the flat screw and the heat produced by the heater to produce the molding material, and delivers the molding material to the communication hole.
    Type: Application
    Filed: May 23, 2022
    Publication date: November 24, 2022
    Inventors: Hidenobu MARUYAMA, Kazuyuki HARAYAMA, Yuta SAKAI
  • Patent number: 10147621
    Abstract: Provided is an adhesive tape separating tool which separates adhesive tape bonded to one face of a work which includes an opening on the one face from the work, in which a protrusion portion forming region in which a plurality of protrusion portions are formed is provided on a face on a side which comes into contact with the work in the tape separating tool, and the protrusion portion forming region is disposed at a position separated from a position facing the opening on the one face of the work.
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: December 4, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Akira Takada, Kazuyuki Harayama
  • Publication number: 20180090351
    Abstract: Provided is an adhesive tape separating tool which separates adhesive tape bonded to one face of a work which includes an opening on the one face from the work, in which a protrusion portion forming region in which a plurality of protrusion portions are formed is provided on a face on a side which comes into contact with the work in the tape separating tool, and the protrusion portion forming region is disposed at a position separated from a position facing the opening on the one face of the work.
    Type: Application
    Filed: September 11, 2017
    Publication date: March 29, 2018
    Inventors: Akira TAKADA, Kazuyuki HARAYAMA