Patents by Inventor Hiroki HARUYAMA

Hiroki HARUYAMA 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).

  • Developer container and image forming apparatus having developer outlet for discharging developer
    Patent number: 11429037
    Abstract: A developer container includes: a case that stores developer and in which a developer outlet for discharging the developer is formed; a conveying spiral that is rotatably disposed in the case and rotates to convey the developer toward the developer outlet in an axial direction of the conveying spiral; a guide wall that is disposed along the conveying spiral and guides the developer in the axial direction of the conveying spiral; and a push member that is attached to the conveying spiral and rotates with the conveying spiral to push the developer into the developer outlet. A cutout is formed at a portion of the guide wall corresponding to the push member to form a guide portion that guides the developer to the developer outlet.
    Type: Grant
    Filed: August 19, 2021
    Date of Patent: August 30, 2022
    Assignee: Oki Electric Industry Co., Ltd.
    Inventor: Hiroki Haruyama
  • DEVELOPER CONTAINER AND IMAGE FORMING APPARATUS
    Publication number: 20220128927
    Abstract: A developer container includes: a case that stores developer and in which a developer outlet for discharging the developer is formed; a conveying spiral that is rotatably disposed in the case and rotates to convey the developer toward the developer outlet in an axial direction of the conveying spiral; a guide wall that is disposed along the conveying spiral and guides the developer in the axial direction of the conveying spiral; and a push member that is attached to the conveying spiral and rotates with the conveying spiral to push the developer into the developer outlet. A cutout is formed at a portion of the guide wall corresponding to the push member to form a guide portion that guides the developer to the developer outlet.
    Type: Application
    Filed: August 19, 2021
    Publication date: April 28, 2022
    Applicant: Oki Electric Industry Co., Ltd.
    Inventor: Hiroki HARUYAMA
  • Toner cartridge
    Patent number: D967891
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: October 25, 2022
    Assignee: OKI ELECTRIC INDUSTRY CO., LTD.
    Inventors: Tetsu Koyama, Yoshihiro Goto, Hisatoshi Saito, Shingo Shimada, Akira Saito, Hiroki Haruyama
  • Image drum cartridge
    Patent number: D984529
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: April 25, 2023
    Assignee: OKI ELECTRIC INDUSTRY CO., LTD.
    Inventors: Tetsu Koyama, Yoshihiro Goto, Hisatoshi Saito, Shingo Shimada, Akira Saito, Hiroki Haruyama
  • Image drum cartridge
    Patent number: D998033
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: September 5, 2023
    Assignee: OKI ELECTRIC INDUSTRY CO., LTD.
    Inventors: Tetsu Koyama, Yoshihiro Goto, Hisatoshi Saito, Shingo Shimada, Akira Saito, Hiroki Haruyama
  • Toner cartridge
    Patent number: D1009988
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: January 2, 2024
    Assignee: OKI ELECTRIC INDUSTRY CO., LTD.
    Inventors: Tetsu Koyama, Yoshihiro Goto, Hisatoshi Saito, Shingo Shimada, Akira Saito, Hiroki Haruyama