Patents by Inventor Ki Hun CHO

Ki Hun 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).

  • Patent number: 11927881
    Abstract: A pellicle for extreme ultraviolet (EUV) lithography is based on yttrium carbide and used in a EUV lithography process. The pellicle for EUV lithography includes a pellicle layer that has a core layer containing yttrium carbide. The yttrium carbide is YCx in which the atomic percentage of carbon is within a range of 25% to 45%.
    Type: Grant
    Filed: November 29, 2021
    Date of Patent: March 12, 2024
    Assignee: Korea Electronics Technology Institute
    Inventors: Hyeong Keun Kim, Seul Gi Kim, Hyun Mi Kim, Jin Woo Cho, Ki Hun Seong
  • Patent number: 10723016
    Abstract: A wearable hand robot of the present invention is a wearable hand robot which is mounted on a user's fingers and can bend the user's fingers by means of an external force transmitted through a wire, and comprises: at least one first wire which is disposed to extend toward the tip of a finger and then change the extension direction toward the base of the finger; a finger cap which is configured to be fit on the tip of the finger and includes a first wire tube which is disposed at the end of the finger so that the first wire passes therethrough and is U-shaped; a finger member comprising two second wire tubes, at least one finger strap and at least one bending unit; and a support member which is mounted on the hand adjacent to the user's wrist and through which the first wire extending from the finger member passes. The two second wire tubes are configured to extend in the extension direction of the finger segment and are disposed on the respective sides of the finger, and the first wire passes therethrough.
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: July 28, 2020
    Assignee: NATIONAL REHABILITATION CENTER
    Inventors: Kyu-Jin Cho, Hoyoung Ban, Brian Byunghyun Kang, Hyunki In, Haemin Lee, Jinwon Chung, Ki Hun Cho
  • Publication number: 20180345481
    Abstract: A wearable hand robot of the present invention is a wearable hand robot which is mounted on a user's fingers and can bend the user's fingers by means of an external force transmitted through a wire, and comprises: at least one first wire which is disposed to extend toward the tip of a finger and then change the extension direction toward the base of the finger; a finger cap which is configured to be fit on the tip of the finger and includes a first wire tube which is disposed at the end of the finger so that the first wire passes therethrough and is U-shaped; a finger member comprising two second wire tubes, at least one finger strap and at least one bending unit; and a support member which is mounted on the hand adjacent to the user's wrist and through which the first wire extending from the finger member passes. The two second wire tubes are configured to extend in the extension direction of the finger segment and are disposed on the respective sides of the finger, and the first wire passes therethrough.
    Type: Application
    Filed: November 10, 2016
    Publication date: December 6, 2018
    Applicant: NATIONAL REHABILITATION CENTER
    Inventors: Kyu-Jin CHO, Hoyoung BAN, Brian Byunghyun KANG, Hyunki IN, Haemin LEE, Jinwon CHUNG, Ki Hun CHO