Patents by Inventor Yun Kyu SHIM

Yun Kyu SHIM 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).

  • Developing cartridge, and electrophotographic image forming apparatus using same
    Patent number: 10289062
    Abstract: Disclosed is a development cartridge attachable/detachable to/from a main body of an image forming apparatus. The development cartridge includes at least a photosensitive drum to form an electrostatic latent image thereon or a developer roller to develop the electrostatic latent image by supplying a developer to the photosensitive drum, a housing to support the at least one photosensitive drum or the developer roller. A developer roller gear may be provided on a rotation shaft of the developer roller to connect to a driving gear of the main body when the development cartridge is attached to the main body, and a driven coupler provided at an end of the photosensitive drum to couple to a driving coupler located coaxially with the driving gear in the main body, based on shaft coupling when the development cartridge is attached to the main body.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: May 14, 2019
    Assignee: HP PRINTING KOREA CO., LTD.
    Inventors: Young Chae Kim, Junhui Kim, Jin-Hong Kim, Ji-Won Moon, Yun Kyu Shim, Sungwook Kang, Sunggi Kim
  • DEVELOPING CARTRIDGE, AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS USING SAME
    Publication number: 20180188682
    Abstract: Disclosed is a development cartridge attachable/detachable to/from a main body of an image forming apparatus. The development cartridge includes at least a photosensitive drum to form an electrostatic latent image thereon or a developer roller to develop the electrostatic latent image by supplying a developer to the photosensitive drum, a housing to support the at least one photosensitive drum or the developer roller. A developer roller gear may be provided on a rotation shaft of the developer roller to connect to a driving gear of the main body when the development cartridge is attached to the main body, and a driven coupler provided at an end of the photosensitive drum to couple to a driving coupler located coaxially with the driving gear in the main body, based on shaft coupling when the development cartridge is attached to the main body.
    Type: Application
    Filed: March 1, 2018
    Publication date: July 5, 2018
    Applicant: S-PRINTING SOLUTION CO., LTD.
    Inventors: Young Chae Kim, Junhui KIM, Jin-Hong KIM, Ji-Won MOON, Yun Kyu SHIM, Sungwook KANG, Sunggi KIM
  • Cartridge
    Patent number: D832340
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: October 30, 2018
    Assignee: S-Printing Solution Co., Ltd.
    Inventors: Seong-Woong Yang, Jong-In Kim, Yun-Kyu Shim, Sang-Hoon Lee, Seung-Gweon Lee, Ho-Jin Jang, Woong-Yong Choi, Jin-Hwa Hong
  • Cartridge
    Patent number: D833519
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: November 13, 2018
    Assignee: S-Printing Solution Co., Ltd.
    Inventors: Seong-Woong Yang, Jong-In Kim, Yun-Kyu Shim, Sang-Hoon Lee, Seung-Gweon Lee, Ho-Jin Jang, Woong-Yong Choi, Jin-Hwa Hong
  • Cartridge
    Patent number: D833520
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: November 13, 2018
    Assignee: S-Printing Solution Co., Ltd.
    Inventors: Seong-Woong Yang, Jong-In Kim, Yun-Kyu Shim, Sang-Hoon Lee, Seung-Gweon Lee, Ho-Jin Jang, Woong-Yong Choi, Jin-Hwa Hong