Patents by Inventor Oh Dug Gwon

Oh Dug Gwon 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).

  • IMAGE FORMING APPARATUS, AND DEVELOPING DEVICE AND DEVELOPING UNIT THEREOF
    Publication number: 20130156471
    Abstract: An image forming apparatus includes developing units designed to have an appropriate developer storage capacity in consideration of developer consumption, and improved convenience of use. The image forming apparatus also includes an image carrier, and plural developing units arranged along a rotating direction of the image carrier to supply developers to the image carrier. The plural developing units include a first developing unit having the largest developer storage capacity and a second developing unit having the second largest developer storage capacity after the first developing unit.
    Type: Application
    Filed: February 7, 2013
    Publication date: June 20, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong In KIM, Myoung Su BAEK, Oh Dug GWON
  • Image forming apparatus, and developing device and developing unit thereof
    Patent number: 8396396
    Abstract: An image forming apparatus includes developing units designed to have an appropriate developer storage capacity in consideration of developer consumption, and improved convenience of use. The image forming apparatus also includes an image carrier, and plural developing units arranged along a rotating direction of the image carrier to supply developers to the image carrier. The plural developing units include a first developing unit having the largest developer storage capacity and a second developing unit having the second largest developer storage capacity after the first developing unit.
    Type: Grant
    Filed: August 14, 2012
    Date of Patent: March 12, 2013
    Assignee: SAMSUNG Electronics Co., Ltd.
    Inventors: Jong In Kim, Myoung Su Baek, Oh Dug Gwon
  • IMAGE FORMING APPARATUS, AND DEVELOPING DEVICE AND DEVELOPING UNIT THEREOF
    Publication number: 20120308271
    Abstract: An image forming apparatus includes developing units designed to have an appropriate developer storage capacity in consideration of developer consumption, and improved convenience of use. The image forming apparatus also includes an image carrier, and plural developing units arranged along a rotating direction of the image carrier to supply developers to the image carrier. The plural developing units include a first developing unit having the largest developer storage capacity and a second developing unit having the second largest developer storage capacity after the first developing unit.
    Type: Application
    Filed: August 14, 2012
    Publication date: December 6, 2012
    Applicant: Samsung Electronics Co., Ltd
    Inventors: Jong In KIM, Myoung Su Baek, Oh Dug Gwon
  • Image forming apparatus, and developing device and developing unit thereof
    Patent number: 8270878
    Abstract: An image forming apparatus includes developing units designed to have an appropriate developer storage capacity in consideration of developer consumption, and improved convenience of use. The image forming apparatus also includes an image carrier, and plural developing units arranged along a rotating direction of the image carrier to supply developers to the image carrier. The plural developing units include a first developing unit having the largest developer storage capacity and a second developing unit having the second largest developer storage capacity after the first developing unit.
    Type: Grant
    Filed: December 30, 2010
    Date of Patent: September 18, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong In Kim, Myoung Su Baek, Oh Dug Gwon
  • IMAGE FORMING APPARATUS, AND DEVELOPING DEVICE AND DEVELOPING UNIT THEREOF
    Publication number: 20110097114
    Abstract: An image forming apparatus includes developing units designed to have an appropriate developer storage capacity in consideration of developer consumption, and improved convenience of use. The image forming apparatus also includes an image carrier, and plural developing units arranged along a rotating direction of the image carrier to supply developers to the image carrier. The plural developing units include a first developing unit having the largest developer storage capacity and a second developing unit having the second largest developer storage capacity after the first developing unit.
    Type: Application
    Filed: December 30, 2010
    Publication date: April 28, 2011
    Applicant: Samsung Electronics Co., Ltd
    Inventors: Jong In KIM, Myoung Su Baek, Oh Dug Gwon
  • Image forming apparatus, and developing device and developing unit thereof
    Patent number: 7885580
    Abstract: An image forming apparatus includes developing units designed to have an appropriate developer storage capacity in consideration of developer consumption, and improved convenience of use. The image forming apparatus also includes an image carrier, and plural developing units arranged along a rotating direction of the image carrier to supply developers to the image carrier. The plural developing units include a first developing unit having the largest developer storage capacity and a second developing unit having the second largest developer storage capacity after the first developing unit.
    Type: Grant
    Filed: September 5, 2008
    Date of Patent: February 8, 2011
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Jong In Kim, Myoung Su Baek, Oh Dug Gwon
  • IMAGE FORMING APPARATUS, AND DEVELOPING DEVICE AND DEVELOPING UNIT THEREOF
    Publication number: 20090214263
    Abstract: An image forming apparatus includes developing units designed to have an appropriate developer storage capacity in consideration of developer consumption, and improved convenience of use. The image forming apparatus also includes an image carrier, and plural developing units arranged along a rotating direction of the image carrier to supply developers to the image carrier. The plural developing units include a first developing unit having the largest developer storage capacity and a second developing unit having the second largest developer storage capacity after the first developing unit.
    Type: Application
    Filed: September 5, 2008
    Publication date: August 27, 2009
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong In KIM, Myoung-Su BAEK, Oh Dug GWON