Patents by Inventor Hee Yoon Ryu

Hee Yoon Ryu 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: 20210010164
    Abstract: Disclosed are a fiber for a sound-absorbing material for vehicles and a sound-absorbing material for vehicles including the same. The cross-section of the fiber for a sound-absorbing material includes a first end portion, a second end portion spaced apart from the first end portion, and an intermediate portion connected to the first end portion and the second end portion. The intermediate portion includes at least three bent portions. Each of the first end portion and the second end portion has a width larger than the width of the intermediate portion.
    Type: Application
    Filed: June 16, 2020
    Publication date: January 14, 2021
    Inventors: Jung Wook Lee, Seong Je Kim, Ji Wan Kim, Tae Yoon Kim, Jong Hyun Ryu, Myung Sik Lee, Hee Koo Woo