Patents by Inventor Joo Hwan Noii

Joo Hwan Noii 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 cartridge, developing device and image forming apparatus
    Patent number: 7751757
    Abstract: A developer cartridge constructed in a structure in which an overload is not applied to stirring units to stir a developer even when the developer is lump includes a housing having a developer storage chamber, a first stirring unit rotatably mounted in the housing, and a second stirring unit rotatably mounted in the housing such that the second stirring unit is rotatable with time delay after a rotation of the first stirring unit. The second stirring unit includes a rotary shaft, and the developer cartridge further includes a rotary member coupled to one end of the rotary shaft and a power transmission member to transmit a rotary force to the rotary member after rotation thereof by a predetermined angle.
    Type: Grant
    Filed: June 27, 2008
    Date of Patent: July 6, 2010
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Jin Hong Kim, Joo Hwan Noii
  • DEVELOPER CARTRIDGE, DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
    Publication number: 20090097884
    Abstract: A developer cartridge constructed in a structure in which an overload is not applied to stirring units to stir a developer even when the developer is lump includes a housing having a developer storage chamber, a first stirring unit rotatably mounted in the housing, and a second stirring unit rotatably mounted in the housing such that the second stirring unit is rotatable with time delay after a rotation of the first stirring unit. The second stirring unit includes a rotary shaft, and the developer cartridge further includes a rotary member coupled to one end of the rotary shaft and a power transmission member to transmit a rotary force to the rotary member after rotation thereof by a predetermined angle.
    Type: Application
    Filed: June 27, 2008
    Publication date: April 16, 2009
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jin Hong KIM, Joo Hwan Noii