Patents by Inventor Chang Seob YOO

Chang Seob YOO 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).

  • Publication number: 20160359515
    Abstract: The present invention relates to a cell phone fixing device of a cell phone case that is provided with a connection member that is made of a thin material with high elasticity and no deformation in such a manner as to be mounted between cell phone side support members and cell phone front support members, so that cell phones having different sizes and thicknesses are tightly fixed to the support members through the single connection member, thereby reducing the thicknesses of the support members to achieve the slimming of the cell phone case, decreasing the number of parts and the number of assembling processes to achieve the reduction of the manufacturing cost, and permitting the cell phone underside support stand supporting the lower side portion of the cell phone to be moved to left and right sides to have no limitation in the use of a hole for a cell phone battery charging jack.
    Type: Application
    Filed: June 1, 2016
    Publication date: December 8, 2016
    Inventor: Chang Seob YOO
  • Patent number: 9031623
    Abstract: The present invention relates to a protective case for cellular phones. By letting the cellular phone be closely fixed by a cellular phone supporting fixture elastically fixed with springs and plate springs attached to a protection cover when holding the cellular phone, in order to be capable of accommodating and fixing a wide range of cellular phones which slightly differ in size, thickness, model and etc. between cellular phone supporting fixture and plate spring, and by pulling out a moving board where the cellular phone is kept upward a fixed board when taking photographs with the cellular phone, users are able to take photographs in the condition in which a camera lens of the cellular phone is exposed outside the cellular phone case. Diverse types and functions of wallet receptacles can be combined on the face outside the main body of the cellular phone case.
    Type: Grant
    Filed: August 22, 2013
    Date of Patent: May 12, 2015
    Inventor: Chang Seob Yoo
  • Publication number: 20140057687
    Abstract: The present invention relates to a protective case for cellular phones. By letting the cellular phone be closely fixed by a cellular phone supporting fixture elastically fixed with springs and plate springs attached to a protection cover when holding the cellular phone, in order to be capable of accommodating and fixing a wide range of cellular phones which slightly differ in size, thickness, model and etc. between cellular phone supporting fixture and plate spring, and by pulling out a moving board where the cellular phone is kept upward a fixed board when taking photographs with the cellular phone, users are able to take photographs in the condition in which a camera lens of the cellular phone is exposed outside the cellular phone case. Diverse types and functions of wallet receptacles can be combined on the face outside the main body of the cellular phone case.
    Type: Application
    Filed: August 22, 2013
    Publication date: February 27, 2014
    Inventor: Chang Seob YOO