Patents by Inventor Byung-doo Choi

Byung-doo Choi 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).

  • Apparatus and method for providing virtual treatment experience
    Patent number: 10417388
    Abstract: The present invention relates to an apparatus and method for providing a virtual treatment experience which can make a user to understand the necessity for treatment and learn how to counteract side effects of the treatment.
    Type: Grant
    Filed: April 7, 2015
    Date of Patent: September 17, 2019
    Assignee: CHUNG ANG UNIVERSITY INDUSTRY ACADEMIC COOPERATION FOUNDATION
    Inventors: Doug Hyun Han, Joung Soon Jang, In Gyu Hwang, Hee Jun Kim, Byung Doo Choi, Jong Deok Kim, Hyung Won Cho
  • APPARATUS AND METHOD FOR PROVIDING VIRTUAL TREATMENT EXPERIENCE
    Publication number: 20170024540
    Abstract: The present invention relates to an apparatus and method for providing a virtual treatment experience which can make a user to understand the necessity for treatment and learn how to counteract side effects of the treatment.
    Type: Application
    Filed: April 7, 2015
    Publication date: January 26, 2017
    Applicant: CHUNG ANG UNIVERSITY INDUSTRY ACADEMIC COOPERATION FOUNDATION
    Inventors: Doug Hyun Han, Joung Soon Jang, In Gyu Hwang, Hee Jun Kim, Byung Doo Choi, Jong Deok Kim, Hyung Won Cho
  • OPTICAL ELEMENT, AND BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY INCLUDING THE SAME
    Publication number: 20100328579
    Abstract: An optical element capable of improving a light diffusion effect while minimizing a damage of other members in the LCD due to an impact and so on, and a backlight unit and an LCD including the same. The optical element includes an optically-transparent base member; and a light-diffusing resin layer formed on one side of the base member. The light-diffusing resin layer has a plurality of concave recesses formed in a surface thereof to diffuse light. The optical element further includes an optical micro-structural layer formed on the opposite side of the base member. The second light-diffusing resin layer has a plurality of concave recesses formed in a surface thereof to diffuse light.
    Type: Application
    Filed: April 30, 2008
    Publication date: December 30, 2010
    Applicant: LMS CO., LTD.
    Inventors: Yong-Shig Shim, Young-Il Kim, Sung-Sik Choi, Byung-Doo Choi
  • Closed type semiconductor wet thermal oxidation apparatus
    Patent number: 6270583
    Abstract: A compound semiconductor wet thermal oxidation apparatus includes a chamber unit having an inside tube containing water and supporting a specimen and an outside tube encompassing the inside tube forming a seal, and a heating unit having a furnace for heating the specimen and the water.
    Type: Grant
    Filed: October 6, 1999
    Date of Patent: August 7, 2001
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byung-doo Choi, Jeong-kwan Lee, Keum-hee Lee