Patents by Inventor Doo-Shik Kim

Doo-Shik Kim 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).

  • Lubricating strip for a razor cartridge and razor cartridge using the same
    Patent number: 11858156
    Abstract: The lubricating strip for a razor cartridge includes a first layer including a first lubricating material having a first color; and a second layer disposed under the first layer and including a second lubricating material having a second color different from the first color. The first layer and the second layer are configured to form at least one boundary line, which is not parallel to a straight line along a width direction of the lubricating strip, on a cross-section of the lubricating strip cut in a direction perpendicular to a longitudinal direction of the lubricating strip; and define multiple shaving layers including a first shaving layer including the first layer, a second shaving layer including the first layer and the second layer, and a third shaving layer including the second layer, the multiple shaving layers being arranged along a straight line parallel to a height direction of the lubricating strip.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: January 2, 2024
    Assignee: Dorco Co., Ltd.
    Inventors: Doo Shik Kim, Tae Young Lee
  • Water-repellent coating composition and water-repellent coating substrate coated therewith
    Patent number: 11518908
    Abstract: A water-repellent coating composition, and particularly, a water-repellent coating composition having improved adhesion and durability by including a phosphoric acid or a phosphoric acid-based compound, is provided.
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: December 6, 2022
    Assignee: DONGJIN SEMICHEM CO., LTD.
    Inventors: Seong Keun Jang, Seong Yeon Oh, Doo Shik Kim, Seung Sock Choi, Dong Jin Nam, Kyu Soon Shin
  • LUBRICATING STRIP FOR A RAZOR CARTRIDGE AND RAZOR CARTRIDGE USING THE SAME
    Publication number: 20200223079
    Abstract: The lubricating strip for a razor cartridge includes a first layer including a first lubricating material having a first color; and a second layer disposed under the first layer and including a second lubricating material having a second color different from the first color. The first layer and the second layer are configured to form at least one boundary line, which is not parallel to a straight line along a width direction of the lubricating strip, on a cross-section of the lubricating strip cut in a direction perpendicular to a longitudinal direction of the lubricating strip; and define multiple shaving layers including a first shaving layer including the first layer, a second shaving layer including the first layer and the second layer, and a third shaving layer including the second layer, the multiple shaving layers being arranged along a straight line parallel to a height direction of the lubricating strip.
    Type: Application
    Filed: January 9, 2020
    Publication date: July 16, 2020
    Applicant: DORCO CO., LTD.
    Inventors: Doo Shik KIM, Tae Young LEE
  • WATER-REPELLENT COATING COMPOSITION AND WATER-REPELLENT COATING SUBSTRATE COATED THEREWITH
    Publication number: 20190352533
    Abstract: A water-repellent coating composition, and particularly, a water-repellent coating composition having improved adhesion and durability by including a phosphoric acid or a phosphoric acid-based compound, is provided.
    Type: Application
    Filed: December 28, 2017
    Publication date: November 21, 2019
    Inventors: Seong Keun JANG, Seong Yeon OH, Doo Shik KIM, Seung Sock CHOI, Dong Jin NAM, Kyu Soon SHIN
  • Coating composition comprising bis-type silane compound
    Patent number: 10011739
    Abstract: The present invention relates to a coating composition comprising a bis-type silane compound, and particularly relates to a coating composition which has high storage stability and can form a highly transparent and high-strength coating film, a preparation method thereof and a coating film formed using the same.
    Type: Grant
    Filed: April 1, 2014
    Date of Patent: July 3, 2018
    Assignee: DONGJIN SEMICHEM CO., LTD.
    Inventors: Seung-Sock Choi, Jae-Won Yoo, Doo-Shik Kim, Dong-Jin Nam, Kyung-Min Park, Seong-Yeon Oh
  • COATING COMPOSITION COMPRISING BIS-TYPE SILANE COMPOUND
    Publication number: 20160046837
    Abstract: The present invention relates to a coating composition comprising a bis-type silane compound, and particularly relates to a coating composition which has high storage stability and can form a highly transparent and high-strength coating film, a preparation method thereof and a coating film formed using the same.
    Type: Application
    Filed: April 1, 2014
    Publication date: February 18, 2016
    Inventors: Seung-Sock CHOI, Jae-Won YOO, Doo-Shik Kim, Dong-Jin NAM, Kyung-Min Park, Seong-Yeon OH