Patents by Inventor Yong-Rak Park

Yong-Rak Park 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).

  • Patent number: 11931798
    Abstract: Disclosure provides a two-segment electromagnet stirring member, and a two-segment electromagnet semi-solid die-casting apparatus including the same, and a die-casting method using the same. The two-segment electromagnet stirring member includes a plurality of magnetic field generation parts therein, and includes a first electromagnetic stirring part and a second electromagnetic stirring part separated from each other. The first electromagnetic stirring part and the second electromagnetic stirring part are coupled to each other in a ring shape to surround an outer circumferential surface of a sleeve to perform electromagnetic stirring to molten metal in the sleeve, and are coupled to each other so as to position the plurality of magnetic field generation parts at radially equal gaps around the sleeve.
    Type: Grant
    Filed: December 22, 2021
    Date of Patent: March 19, 2024
    Assignee: HANJOO LIGHT METAL CO., LTD.
    Inventors: Yong-Jin Lee, Jin-Ha Park, Myung-Seong Kong, Seong-Rak Park, Joong-Suk Roh
  • Publication number: 20100302251
    Abstract: The present disclosure relates to a structure of an animation font file and a text displaying method of a handheld terminal. The structure of the animation font file and the text displaying method may realize an animation using limited hardware resources without using images or videos by sequentially displaying plural font images with respect to input text data in accordance with times set for each frame, in which the text data are input by storing font images through a basic mapping table and an extended mapping table, so as to output different font images for each frame with respect to one text data.
    Type: Application
    Filed: May 27, 2010
    Publication date: December 2, 2010
    Applicant: RIXCO CO., LTD.
    Inventors: JEONG-HWAN YOON, Yong-Rak Park, Jae-Wook Kim, Weon-Jun Kim