Patents by Inventor Hyung Tae Yang

Hyung Tae Yang 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).

  • HETEROCYCLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME, MANUFACTURING METHOD THEREFOR, AND COMPOSITION FOR ORGANIC LAYER
    Publication number: 20240074306
    Abstract: The present specification relates to a heterocyclic compound represented by Formula 1, an organic light emitting device comprising the same, a method for preparing the same, and a composition for organic layer.
    Type: Application
    Filed: November 5, 2021
    Publication date: February 29, 2024
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Sol LEE, Jun Tae MO, Woo Jeong CHAE, Hyung Jin YANG, Dong Jun KIM
  • Cartridge magazine for a firearm
    Patent number: 5956878
    Abstract: A cartridge magazine for a firearm comprises a case having a guiding extrusion extending downwardly along at least one wall therein selected from a front wall and a rear wall, a bullet support provided inside the case so as to move up and down and including another guiding extrusion to be movably inserted in the guiding extrusion at a portion selected from a front and a rear portion thereof and having a balance protrusion at another portion thereof, and a spring for elastically and constantly supporting the bullet supporting means. The cartridge serves to smoothly send bullets loaded therein toward a powder chamber of a firearm while maintaining a horizontal level of the bullet support.
    Type: Grant
    Filed: August 5, 1997
    Date of Patent: September 28, 1999
    Assignee: Agency for Defense Development
    Inventor: Hyung Tae Yang