Patents by Inventor Woo Jung JANG

Woo Jung JANG 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).

  • Method for producing nonwoven fabric with improved filtration performance
    Patent number: 11976396
    Abstract: The present disclosure relates to a method for producing a nonwoven fabric that improves filtration performance when applied as a filter material. By adjusting the modification ratio of the Y-shaped cross-section of polyester filaments constituting the nonwoven fabric, when applied to a filter by increasing a specific surface area of the nonwoven fabric, it increases the collection amount of the materials to be filtered and maintains a low differential pressure, thus enabling long-term use.
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: May 7, 2024
    Assignee: KOLON INDUSTRIES, INC.
    Inventors: Woo-seok Choi, Min-ho Lee, Hee-jung Cho, Young-shin Park, Jung-soon Jang
  • Automatic headrest
    Patent number: 9758076
    Abstract: The present disclosure provides an automatic headrest including: a headrest cushion configured to couple to a stay rod of a vehicle seat back; an actuation module configured to couple to the stay rod; a cushion bracket configured to couple to a rear surface of the headrest cushion; an actuation link having a plate shape; a motor link, wherein one side of the motor link is configured to couple to the actuation module and the other side of the motor link is configured to extend downward; and a guide link having a plate shape, wherein one side of a top portion of the guide link is configured to couple to the cushion bracket, the other side of the top portion of the guide link is configured to couple to the actuation link, and a bottom portion of the guide link is configured to couple to the motor link.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: September 12, 2017
    Assignees: Hyundai Dymos Incorporated, Seoyoncnf Co., Ltd.
    Inventors: Sung Chol An, Jin Ho Seo, Jun Kyu Kim, Myeong Sub Kim, Yun Ho Kim, Dong Hwan Kim, Ju Sung Ha, Woo Jung Jang
  • AUTOMATIC HEADREST
    Publication number: 20170174108
    Abstract: The present disclosure provides an automatic headrest including: a headrest cushion configured to couple to a stay rod of a vehicle seat back; an actuation module configured to couple to the stay rod; a cushion bracket configured to couple to a rear surface of the headrest cushion; an actuation link having a plate shape; a motor link, wherein one side of the motor link is configured to couple to the actuation module and the other side of the motor link is configured to extend downward; and a guide link having a plate shape, wherein one side of a top portion of the guide link is configured to couple to the cushion bracket, the other side of the top portion of the guide link is configured to couple to the actuation link, and a bottom portion of the guide link is configured to couple to the motor link.
    Type: Application
    Filed: December 12, 2016
    Publication date: June 22, 2017
    Applicants: HYUNDAI DYMOS INCORPORATED, SEOYONCNF CO., LTD.
    Inventors: Sung Chol AN, Jin Ho SEO, Jun Kyu KIM, Myeong Sub KIM, Yun Ho KIM, Dong Hwan KIM, Ju Sung HA, Woo Jung JANG