Patents by Inventor Hwanghee RYU

Hwanghee RYU 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: 20230375974
    Abstract: An example image forming apparatus includes a main body including an opening and an accommodation portion, a development cartridge detachable from the main body, a tray on which to mount the development cartridge, the tray being movable between a mounting position inserted into the main body through the opening, a withdrawal position extracted from the main body, and an accommodation position at which the development cartridge is accommodated in the accommodation portion, and an elastic support member to elastically support the development cartridge with respect to the tray while the tray moves between the mounting position, the withdrawal position, and the accommodation position.
    Type: Application
    Filed: April 12, 2021
    Publication date: November 23, 2023
    Inventors: Younghoon KIM, Wontaek KIM, Holyun HWANG, Hwanghee RYU, Saehoon HAN, Seongho PARK, Seunggweon LEE, Woongyong CHOI, Sungjin KIM, Junhui KIM