Patents by Inventor Sung-Hoon Hong

Sung-Hoon Hong 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).

  • Roller assembly for image forming apparatus
    Patent number: 7299914
    Abstract: A roller assembly for an image forming apparatus includes a roller, a bearing for rotatably supporting the roller, a roller cover to be assembled at both ends of the roller, a bushing to be introduced between the roller and the bearing, and a support unit disposed at the roller and the bushing to suppress sliding movement between the roller and the bushing and shaking of the roller in an axial direction.
    Type: Grant
    Filed: May 10, 2006
    Date of Patent: November 27, 2007
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyung-shig Chung, Sung-hoon Hong
  • Fusing unit of image forming apparatus and method for preventing defecting fusing of image
    Publication number: 20070134009
    Abstract: A fusing unit of an image forming apparatus and method for preventing defective fusing of an image are provided, in which a heating roller includes a heat source and is rotatably installed on a frame, a pressing roller presses a sheet of paper toward the heating roller to fuse a toner image on the paper, a pressing unit elastically bias the pressing roller to the heating roller, and a pressure sensor measures a pressure of the pressing roller. Accordingly, defective fusing of a toner image onto the paper and overheating of the fusing unit can be prevented.
    Type: Application
    Filed: November 27, 2006
    Publication date: June 14, 2007
    Inventors: Min-Goo Choi, Kyung-shig Chung, Sung-hoon Hong
  • fusing unit and fusing apparatus using the same
    Publication number: 20070019974
    Abstract: A fusing unit and a fusing apparatus using the fusing unit are provided. The fusing unit includes a pipe-shaped fusing roller having a heat generating unit and electrode members at both ends thereof. A power supply unit contacts the electrode members and supplies current thereto. A blocking member is disposed between the electrode members and the power supply units to block current by separating the power supply unit from the electrode members when a temperature of the heat generating unit rapidly increases.
    Type: Application
    Filed: May 16, 2006
    Publication date: January 25, 2007
    Inventors: Min-goo Choi, Kyung-shig Chung, Sung-hoon Hong
  • Roller assembly for image forming apparatus
    Publication number: 20070017785
    Abstract: A roller assembly for an image forming apparatus includes a roller, a bearing for rotatably supporting the roller, a roller cover to be assembled at both ends of the roller, a bushing to be introduced between the roller and the bearing, and a support unit disposed at the roller and the bushing to suppress sliding movement between the roller and the bushing and shaking of the roller in an axial direction.
    Type: Application
    Filed: May 10, 2006
    Publication date: January 25, 2007
    Inventors: Kyung-shig Chung, Sung-hoon Hong
  • Speaker
    Patent number: D537072
    Type: Grant
    Filed: December 29, 2005
    Date of Patent: February 20, 2007
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-Soo Kim, Sung-Hoon Hong, Beom-Ku Han, Chang-Hwan Hwang
  • Portable phone
    Patent number: D545285
    Type: Grant
    Filed: October 28, 2005
    Date of Patent: June 26, 2007
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Hoon Hong, Beom-Ku Han, Chang-Hwan Hwang
  • Speaker
    Patent number: D545300
    Type: Grant
    Filed: May 26, 2006
    Date of Patent: June 26, 2007
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Hoon Hong, Beom-Ku Han, Chang-Hwan Hwang
  • Mobile phone
    Patent number: D548218
    Type: Grant
    Filed: May 26, 2006
    Date of Patent: August 7, 2007
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Hoon Hong, Beom-Ku Han, Chang-Hwan Hwang
  • Portable phone
    Patent number: D554100
    Type: Grant
    Filed: September 20, 2006
    Date of Patent: October 30, 2007
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Bo-Ra Kim, Sung-Hoon Hong, Beom-Ku Han, Chang-Hwan Hwang
  • Mobile phone
    Patent number: D556175
    Type: Grant
    Filed: October 31, 2006
    Date of Patent: November 27, 2007
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Hoon Hong, Yoon-Young Cho, Chang-Soo Lee
  • Mobile phone
    Patent number: D556722
    Type: Grant
    Filed: January 26, 2006
    Date of Patent: December 4, 2007
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Bo-Ra Kim, Sung-Hoon Hong, Beom-Ku Han, Chang-Hwan Hwang
  • Mobile phone
    Patent number: D557230
    Type: Grant
    Filed: December 29, 2005
    Date of Patent: December 11, 2007
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-Soo Kim, Beom-Ku Han, Chang-Hwan Hwang, Sung-Hoon Hong
  • Mobile phone
    Patent number: D557233
    Type: Grant
    Filed: January 26, 2006
    Date of Patent: December 11, 2007
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Bo-Ra Kim, Sung-Hoon Hong, Beom-Ku Han, Chang-Hwan Hwang
  • Portable phone
    Patent number: D557669
    Type: Grant
    Filed: October 27, 2005
    Date of Patent: December 18, 2007
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Bo-Ra Kim, Sung-Hoon Hong, Beom-Ku Han, Chang-Hwan Hwang
  • Mobile phone
    Patent number: D559814
    Type: Grant
    Filed: February 22, 2006
    Date of Patent: January 15, 2008
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Bo-Ra Kim, Sung-Hoon Hong, Beom-Ku Han, Chang-Hwan Hwang
  • Mobile phone
    Patent number: D561153
    Type: Grant
    Filed: October 31, 2006
    Date of Patent: February 5, 2008
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Hoon Hong, Yoon-Young Cho, Chang-Soo Lee
  • Portable phone
    Patent number: D561726
    Type: Grant
    Filed: February 9, 2007
    Date of Patent: February 12, 2008
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung Hoon Hong, Yoon-Young Cho, Chang-Soo Lee
  • Mobile phone
    Patent number: D563930
    Type: Grant
    Filed: May 26, 2006
    Date of Patent: March 11, 2008
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kuk-Hwan Kim, Sung-Hoon Hong, Beom-Ku Han, Chang-Hwan Hwang
  • Portable phone
    Patent number: D565005
    Type: Grant
    Filed: March 7, 2006
    Date of Patent: March 25, 2008
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Bo-Ra Kim, Sung-Hoon Hong, Beom-Ku Han, Chang-Hwan Hwang
  • Mobile phone
    Patent number: D565009
    Type: Grant
    Filed: May 3, 2006
    Date of Patent: March 25, 2008
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kuk-Hwan Kim, Sung-Hoon Hong, Chang-Hwan Hwang, Beom-Ku Han