Patents by Inventor Se Won Cho

Se Won Cho 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).

  • Vibration control device and frequency-sensitive shock absorber having the same
    Patent number: 12687214
    Abstract: The present disclosure relates to a vibration control device and a frequency-sensitive shock absorber having the same. A vibration control device includes a sub-piston rod coupled to an end of a piston rod, a pilot valve unit penetrated by and coupled to the sub-piston rod, in which pressure is formed by a fluid introduced through the sub-piston rod, and a fixing member located in a lower portion of the pilot valve unit and fastened to the sub-piston rod to fix the pilot valve unit, wherein the pilot valve unit comprises a free-piston provided to reciprocate in a vertical direction according to a change in the pressure formed by the fluid.
    Type: Grant
    Filed: July 20, 2022
    Date of Patent: July 21, 2026
    Assignee: HL MANDO CORPORATION
    Inventors: Kyu Do Kim, Se Won Cho
  • VIBRATION CONTROL DEVICE AND FREQUENCY-SENSITIVE SHOCK ABSORBER HAVING THE SAME
    Publication number: 20230358291
    Abstract: The present disclosure relates to a vibration control device and a frequency-sensitive shock absorber having the same. A vibration control device includes a sub-piston rod coupled to an end of a piston rod, a pilot valve unit penetrated by and coupled to the sub-piston rod, in which pressure is formed by a fluid introduced through the sub-piston rod, and a fixing member located in a lower portion of the pilot valve unit and fastened to the sub-piston rod to fix the pilot valve unit, wherein the pilot valve unit comprises a free-piston provided to reciprocate in a vertical direction according to a change in the pressure formed by the fluid.
    Type: Application
    Filed: July 20, 2022
    Publication date: November 9, 2023
    Applicant: Mando Corporation
    Inventors: Kyu Do KIM, Se Won CHO
  • APPARATUS, METHOD AND RECORDING MEDIUM STORING COMMAND FOR SUPPORTING LEARNING
    Publication number: 20210241644
    Abstract: An apparatus for supporting learning of a user is provided. The apparatus extracts, from a problem image, a first layout including textual information and a second layout including illustrative information, determines a first similarity between the first layout and textual information of a second problem stored, determines a second similarity between the second layout and illustrative information of the second problem, determines a third similarity between the first problem and the second problem by combining the first similarity and the second similarity, determines whether the second problem corresponds to the first problem, and transmits information indicating an answer or solution corresponding to the second problem to the user device.
    Type: Application
    Filed: February 3, 2020
    Publication date: August 5, 2021
    Applicant: ST Unitas Co., Ltd.
    Inventors: Sung Hyuk Yoon, Bon Jun Koo, Joo Young Yoon, Hwe Chul Cho, Se Won Cho