Patents by Inventor Hangryul LEE

Hangryul LEE 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).

  • Network protection device and method for internal flow control via switch ARP modulation and access lists
    Patent number: 12706913
    Abstract: According to the present disclosure, a network protection device includes: a communication device; a storage device configured to store a white list that defines access rights between a plurality of first terminals belonging to a target network; and a control device configured to modulate an address resolution protocol (ARP) table of each of the plurality of first terminals using an ARP packet so that a first communication flow generated between the plurality of first terminals is received by the communication device, and block the first communication flow or transmit the first communication flow to a destination based on the white list when the first communication flow is received.
    Type: Grant
    Filed: July 12, 2024
    Date of Patent: August 11, 2026
    Assignee: VIASCOPE INC.
    Inventors: Chanwoo Kim, Janghun Kim, Boyoung Jeong, Hyunpil Kim, Junseok Kang, Eunsung Shin, Jae Yong Choi, Dong-In Jeong, Jae-Young Choi, Hangryul Lee
  • DEVICE AND METHOD FOR PROTECTING NETWORK
    Publication number: 20250030693
    Abstract: According to the present disclosure, a network protection device includes: a communication device; a storage device configured to store a white list that defines access rights between a plurality of first terminals belonging to a target network; and a control device configured to modulate an address resolution protocol (ARP) table of each of the plurality of first terminals using an ARP packet so that a first communication flow generated between the plurality of first terminals is received by the communication device, and block the first communication flow or transmit the first communication flow to a destination based on the white list when the first communication flow is received.
    Type: Application
    Filed: July 12, 2024
    Publication date: January 23, 2025
    Applicant: VIASCOPE INC.
    Inventors: Chanwoo KIM, Janghun KIM, Boyoung JEONG, Hyunpil KIM, Junseok KANG, Eunsung SHIN, Jae Yong CHOI, Dong-In JEONG, Jae-Young CHOI, Hangryul LEE