Patents by Inventor Jeong Dae YUN

Jeong Dae YUN 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: 20240078990
    Abstract: The present invention relates to a polyester sound absorption material having improved moldability and decreased weight and a method of manufacturing a molded product using the same, and more particularly to a polyester sound absorption material, which is capable of integrally molding a skin member and a sound absorption material using a felt including a polyester base fiber, a low-melting-point polyester adhesive fiber and a polyester hollow fiber, without the need to attach an additional sound absorption pad onto a skin member.
    Type: Application
    Filed: November 15, 2023
    Publication date: March 7, 2024
    Inventors: Hong Mo Koo, Mi Jung Yun, Joon Yong Song, Hyun Dae Cho, Hyung Joon Youn, Jeong Wook Lee
  • Publication number: 20230330432
    Abstract: A device for relieving dementia symptoms is disclosed. The device for relieving dementia symptoms includes a light stimulation part disposed at a location within a preset radius from an eyeball and frontal lobe of a patient and configured to relieve dementia symptoms of the patient by radiating light having a preset wavelength band to an optic nerve and frontal lobe of the patient, and a controller configured to control an operation of the light stimulation part.
    Type: Application
    Filed: May 18, 2023
    Publication date: October 19, 2023
    Applicants: N.CER Co., Ltd, GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jae won KIM, Jae Gwan KIM, Jeong Dae YUN, Sung Chul KIM