Patents by Inventor Kyu Young Choi

Kyu Young Choi 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: 11560057
    Abstract: An electronic device attachable to a vehicle, according to various embodiments of the present invention, comprises: a communication interface; a memory for storing instructions; and at least one processor connected to the communication interface and the memory, wherein the at least one processor can be configured so as to execute the stored instructions in order to: acquire, from another device embedded in the vehicle, information on a plurality of objects located within a designated distance from the vehicle; identify, among the plurality of objects, a designated object located within a designated distance from the vehicle; generate configuration information of at least one piece of content to be displayed through a head-up display (HUD), on the basis of a state of the designated object; and display, through the HUD, content for guiding the operation of the vehicle, on the basis of the generated configuration information.
    Type: Grant
    Filed: November 2, 2018
    Date of Patent: January 24, 2023
    Inventors: Kyu Sung Kim, Tae Young Ha, Ju Yeon You, Yong Jun Lim, Jin Young Choi
  • Patent number: 11542180
    Abstract: A sterilizing device includes a pipe having an inlet and an outlet and allowing fluid to move therethrough and a light source provided on one side of the pipe and providing light to the fluid. At least a portion of the pipe is provided in a spiral shape and the inlet and/or the outlet are arranged in a light emitting region.
    Type: Grant
    Filed: February 8, 2021
    Date of Patent: January 3, 2023
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Jae Young Choi, Shi Hyun Ahn, Ki Yon Park, Woong Ki Jeong, Kyu Won Han
  • Publication number: 20220370661
    Abstract: A lighting device including at least one first light source configured to emit a visible light through a first light emitting surface, at least one second light source spaced apart from the first light source and configured to emit light having a wavelength for sterilization through a second light emitting surface, and a hosing having a bottom portion, on which the first and second light sources are disposed, and at least one sidewall portion connected to the bottom portion to enclose the first light source and the second light source in one common area, in which the first and second light emitting surfaces face substantially the same direction, and the first light emitting surface and the second light emitting surface are disposed at a different elevation from the bottom portion of the housing.
    Type: Application
    Filed: August 5, 2022
    Publication date: November 24, 2022
    Inventors: Jae Young CHOI, Kyu Won HAN, Seong Tae JANG, Sang Wook JUNG, Woong Ki JEONG
  • Patent number: 11509460
    Abstract: A method for performing a matrix multiplication operation being secure against side-channel attacks according to one embodiment, which is performed by a computing device comprising one or more processors and a memory storing one or more programs to be executed by the one or more processors, includes shuffling an order of execution of multiplication operations between elements of a first matrix and elements of a second matrix for a matrix multiplication operation between the first matrix and the second matrix; and performing the matrix multiplication operation based on the shuffled order of execution.
    Type: Grant
    Filed: October 26, 2019
    Date of Patent: November 22, 2022
    Assignees: SAMSUNG SDS CO.. LTD., Kookmin University Industry Academnv Cooperation Foundation
    Inventors: Kyu-Young Choi, Duk-Jae Moon, Ji-Hoon Cho, Dong Guk Han, Bo Yeon Sim, Jae Geun Moon, Ae Sun Park
  • Patent number: 11488845
    Abstract: In accordance with an exemplary embodiment, a substrate processing apparatus includes: a tube assembly having an inner space in which substrates are processed and assembled by laminating a plurality of laminates, each of which includes an injection part and an exhaust hole; a substrate holder configured to support the plurality of substrates in a multistage manner in the inner space; a supply line connected to one injection part of the plurality of laminates to supply a process gas; and an exhaust line connected to one of a plurality of exhaust holes to exhaust the process gas, and the substrate processing apparatus that has a simple structure and induces a laminar flow of the process gas to uniformly supply the process gas to a top surface of the substrate.
    Type: Grant
    Filed: September 5, 2016
    Date of Patent: November 1, 2022
    Inventors: Cha Young Yoo, Sung Tae Je, Kyu Jin Choi, Ja Dae Ku, Jun Kim, Bong Ju Jung, Kyung Seok Park, Yong Ki Kim, Jae Woo Kim
  • Patent number: 11471546
    Abstract: A lighting device including at least one first light source emitting a visible light, at least one second light source spaced apart from the first light source and emitting a light having a wavelength for sterilization, and a housing, in which the first light source and the second light source are disposed, in which the first light source is disposed outside an area having an angle corresponding to about 50% of a maximum amount of light emitted from the second light source based on a line extending from a center of the second light source along a direction substantially perpendicular to a light emitting surface of the second light source.
    Type: Grant
    Filed: July 20, 2018
    Date of Patent: October 18, 2022
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Jae Young Choi, Kyu Won Han, Seong Tae Jang, Sang Wook Jung, Woong Ki Jeong
  • Patent number: 11474491
    Abstract: Disclosed are a communication method between a master controller and slave controllers, a slave controller for the communication method, and a battery management system using the communication method and the slave controller, in which the master controller receives safety information about battery cells through a plurality of channels even when each of a plurality of slave controllers includes only one micro controller unit, thereby minimizing the increase in the cost and enhancing the safety of the battery management system. The communication method includes performing bidirectional communication between a master controller and first to Nth (where N is an integer equal to or more than two) slave controllers through a first communication channel, and receiving, by the master controller, an indication signal through a second communication signal via the first to Nth slave controllers.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: October 18, 2022
    Assignees: SILICON WORKS CO., LTD., LG ENERGY SOLUTION, LTD.
    Inventors: Myoung Su Song, Jae Wan Kim, Jin Yong Jeon, Ki Suk Cho, Il Kwon Kim, Seung Jun Choi, Kyu Ho Kim, Kyoung Choon Min, Ki Young Lee, Won Gon Kim
  • Publication number: 20220213051
    Abstract: The present invention relates to a novel crystal form of a 3-(4-(benzyloxy)phenyl)hex-4-inoic acid derivative, a preparation method therefore and a pharmaceutical composition comprising same. A crystal form I of a compound of chemical formula 1, according to the present invention, exhibits more excellent physicochemical properties such as thermal stability, static electricity-inducing capability, compressibility, etc. compared to an amorphous form or a crystal form II, and thus is especially useful for preparation and long-term storage.
    Type: Application
    Filed: May 29, 2020
    Publication date: July 7, 2022
    Inventors: Jeong Un HWANG, Jin Woong KIM, Kyu Hwan LEE, Eun Young KIM, Su Kyoung CHOI
  • Patent number: 11329798
    Abstract: An apparatus for set intersection operation according to an embodiment includes a ciphertext acquisition unit configured to acquire a ciphertext for a first vector corresponding to a first subset of a universal set including a plurality of elements from an encryption apparatus, a transform unit configured to generate a second vector corresponding to a second subset of the universal set, a computation unit configured to generate a ciphertext for a third vector corresponding to an intersection of the first subset and the second subset, based on the ciphertext for the first vector and the second vector, and a ciphertext providing unit configured to provides the ciphertext for the third vector to the encryption apparatus.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: May 10, 2022
    Assignee: SAMSUNG SDS CO., LTD.
    Inventors: Jin Hyuck Jeong, Joo Hee Lee, Eun Kyung Kim, Kyu Young Choi, Duk Jae Moon, Hyo Jin Yoon
  • Patent number: 11101994
    Abstract: A method of provisioning key information and a device using the method are provided. The method of provisioning key information according to one embodiment of the present disclosure includes generating key information for encryption and decryption from seed information using a key information generation algorithm and deleting code that corresponds to the key information generation algorithm from the device based on the generation of the key information.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: August 24, 2021
    Assignee: SAMSUNG SDS CO., LTD.
    Inventors: Hyo-Jin Yoon, Kyu-Young Choi, Duk-Jae Moon, Ji-Hoon Cho
  • Patent number: 11102241
    Abstract: An apparatus and method for performing an operation which are secure against side-channel attack are provided. According to one embodiment of the present disclosure, the apparatus includes a first outputter configured to output a first output value corresponding to a seed value using a first parameter candidate value set, a second outputter configured to output a second output value using a second parameter candidate value set wherein the second output value corresponds to the seed value and is capable of being generated using the first output value, a third outputter configured to output a third output value using the seed value and the first output value, and a fourth outputter configured to output a fourth output value using the second output value and the third output value, wherein the fourth output value is capable of being generated using the seed value.
    Type: Grant
    Filed: October 15, 2018
    Date of Patent: August 24, 2021
    Assignee: SAMSUNG SDS CO., LTD.
    Inventors: Kyu-Young Choi, Duk-Jae Moon, Hyo-Jin Yoon, Ji-Hoon Cho
  • Publication number: 20210194671
    Abstract: An apparatus for set intersection operation according to an embodiment includes a ciphertext acquisition unit configured to acquire a ciphertext for a first vector corresponding to a first subset of a universal set including a plurality of elements from an encryption apparatus, a transform unit configured to generate a second vector corresponding to a second subset of the universal set, a computation unit configured to generate a ciphertext for a third vector corresponding to an intersection of the first subset and the second subset, based on the ciphertext for the first vector and the second vector, and a ciphertext providing unit configured to provides the ciphertext for the third vector to the encryption apparatus.
    Type: Application
    Filed: October 26, 2020
    Publication date: June 24, 2021
    Inventors: Jin Hyuck JEONG, Joo Hee LEE, Eun Kyung KIM, Kyu Young CHOI, Duk Jae MOON, Hyo Jin YOON
  • Patent number: 11042954
    Abstract: A system and method for communication between devices are provided. According to the embodiments of the present disclosure, it is possible to easily authenticate a counterpart device using a one-time key HN(T) for a D2D communication between a first device and a second device, without using a separate secure channel (e.g., secure sockets layer (SSL), transport layer security (TLS), or the like) in an environment where it is difficult to synchronize the first device with the second device without intervention of a server.
    Type: Grant
    Filed: May 1, 2018
    Date of Patent: June 22, 2021
    Assignee: SAMSUNG SDS CO., LTD.
    Inventors: Hyo-Jin Yoon, Kyu-Young Choi, Duk-Jae Moon, Ki-Young Kim, Jang-Hyuk Ahn, Ji-Hoon Cho
  • Patent number: 11012424
    Abstract: An authentication system and method are provided. According to the embodiments of the present disclosure, it is possible to provide a secure authentication service capable of maintaining personal privacy by enabling authentication while preventing personal information used for personal authentication, such as biometric information, from being exposed in the authentication process.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: May 18, 2021
    Assignee: SAMSUNG SDS CO., LTD.
    Inventors: Kyu-Young Choi, Ji-Hoon Cho, Hyo-Jin Yoon, Duk-Jae Moon
  • Patent number: 10999056
    Abstract: An apparatus and method for performing operation being secure against side channel attack are provided. The apparatus and method generate values equal to values obtained through an exponentiation operation or a scalar multiplication operation of a point using values extracted from previously generated parameter candidate value sets and an operation secure against side-channel attack, thereby improving security against side-channel attack without degrading performance.
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: May 4, 2021
    Assignee: SAMSUNG SDS CO., LTD.
    Inventors: Kyu-Young Choi, Duk-Jae Moon, Hyo-Jin Yoon, Ji-Hoon Cho
  • Publication number: 20210105134
    Abstract: A method for performing a matrix multiplication operation being secure against side-channel attacks according to one embodiment, which is performed by a computing device comprising one or more processors and a memory storing one or more programs to be executed by the one or more processors, includes shuffling an order of execution of multiplication operations between elements of a first matrix and elements of a second matrix for a matrix multiplication operation between the first matrix and the second matrix; and performing the matrix multiplication operation based on the shuffled order of execution.
    Type: Application
    Filed: October 26, 2019
    Publication date: April 8, 2021
    Inventors: Kyu-Young Choi, Duk-Jae Moon, Ji-Hoon Cho, Dong Guk HAN, Bo Yeon SIM, Jae Geun MOON, Ae Sun PARK
  • Publication number: 20210105139
    Abstract: A method for user authentication according to one embodiment of the present disclosure includes acquiring authentication information including biometric information of a user, generating a random string and a helper string from the biometric information, generating a secret value that corresponds to the authentication information, generating a private key and a public key using the secret value and the random string, and transmitting the public key to an authentication server.
    Type: Application
    Filed: October 26, 2019
    Publication date: April 8, 2021
    Inventors: Kyu-Young Choi, Hee-Jin Park, Ji-Hoon Cho
  • Patent number: 10965454
    Abstract: Disclosed are an apparatus and method for public key encryption using a white-box cipher algorithm. An apparatus for public key encryption using a white-box cipher algorithm includes a key table generator configured to generate at least one key table from a cipher key, a hidden-key table generator configured to convert the at least one key table into at least one hidden-key table, and an encryption algorithm generator configured to generate a white-box implemented encryption algorithm by using the at least one hidden-key table and an inverse operation of the conversion and provide the generated encryption algorithm as a public key for encryption.
    Type: Grant
    Filed: May 4, 2017
    Date of Patent: March 30, 2021
    Assignee: SAMSUNG SDS CO., LTD.
    Inventors: Duk-Jae Moon, Kyu-Young Choi, Ji-Hoon Cho
  • Patent number: 10951402
    Abstract: Disclosed are an apparatus and method for encryption. The encryption apparatus includes a key table generator configured to generate at least one encryption key table from random values obtained from a seed value and generate at least one decryption key table from the at least one encryption key table; an algorithm generator configured to generate an encryption algorithm having a Misty structure that has a round function to which the at least one encryption key table is applied and a decryption algorithm having a Misty structure that has a round function to which the at least one decryption key table is applied; an encryptor configured to encrypt plaintext data with the encryption algorithm; and a decryptor configured to decrypt encrypted data with the decryption algorithm.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: March 16, 2021
    Assignee: SAMSUNG SDS CO., LTD.
    Inventors: Duk-Jae Moon, Kyu-Young Choi, Ji-Hoon Cho
  • Patent number: 10903975
    Abstract: An apparatus and method for performing an operation which are secure against side-channel attack are provided. According to one embodiment of the present disclosure, the apparatus includes a first extractor configured to extract one or more first parameter candidate values corresponding to a seed value from a first parameter candidate value set, a first outputter configured to output a first output values using the extracted first parameter candidate values, a second extractor configured to extract one or more second parameter candidate values corresponding to the seed value from a second parameter candidate value set, and a second outputter configured to output a second output value using the extracted second parameter candidate values wherein the second output value is capable of being generated using the first output value.
    Type: Grant
    Filed: August 13, 2018
    Date of Patent: January 26, 2021
    Assignee: SAMSUNG SDS CO., LTD.
    Inventors: Kyu-Young Choi, Duk-Jae Moon, Hyo-Jin Yoon, Ji-Hoon Cho