Patents by Inventor Yeon-Bok Kang

Yeon-Bok Kang 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).

  • Method for Manufacturing Bristles on Toothbrush and Toothbrush Using Same
    Publication number: 20150257525
    Abstract: A method for manufacturing bristles on a toothbrush and a toothbrush using the same are provided, in which the bristles on a toothbrush have a core-sheath double structure and various cross-sectional shapes, have uneven portions formed on a surface thereof by a tapering process while containing inorganic particles, and include inorganic or organic antimicrobial materials.
    Type: Application
    Filed: October 4, 2013
    Publication date: September 17, 2015
    Inventors: Ki-Tae Kang, Guihwan O, Yeon-Bok Kang
  • Manufacturing method of toothbrush filaments using power toothbrush and toothbrush using thereof
    Patent number: 8512611
    Abstract: Provided is a tapered filament for a power toothbrush made of a synthetic resin and formed with tapers at two ends thereof and a non-tapered area for tufting part of which middle is tufted into a power toothbrush, wherein an overall length is 16 to 22 mm, a length of the non-tapered area for tufting part is 4 to 12 mm, and the rest parts except for the non-tapered area for tufting part form tapers at two ends.
    Type: Grant
    Filed: August 27, 2010
    Date of Patent: August 20, 2013
    Assignee: BBC Co., Ltd.
    Inventors: Yeon-Bok Kang, Ki-Tae Kang, Gui-Hwan Oh
  • Manufacturing Method of Toothbrush Filaments Using Power Toothbrush and Toothbrush Using Thereof
    Publication number: 20110289701
    Abstract: Provided is a tapered filament for a power toothbrush made of a synthetic resin and formed with tapers at two ends thereof and a non-tapered area for tufting part of which middle is tufted into a power toothbrush, wherein an overall length is 16 to 22 mm, a length of the non-tapered area for tufting part is 4 to 12 mm, and the rest parts except for the non-tapered area for tufting part form tapers at two ends.
    Type: Application
    Filed: August 27, 2010
    Publication date: December 1, 2011
    Applicant: BBC CO., LTD.
    Inventors: Yeon-Bok Kang, Ki-Tae Kang, Gui-Hwan Oh