Patents by Inventor Dong-hoon Yoo

Dong-hoon Yoo 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: 12269372
    Abstract: A seat for a vehicle with a cushion tip-up and down function is provided. The seat is configured such that a cushion leg provided in a cushion is held, in a fitted manner, by a support spring of a support structure provided in a seat base, and when the cushion is rotated, the cushion leg is allowed to be folded and ejected by being automatically rotated, thereby improving the convenience of use.
    Type: Grant
    Filed: November 10, 2022
    Date of Patent: April 8, 2025
    Assignees: Hyundai Motor Company, Kia Corporation, Hyundai Transys Inc.
    Inventors: Jung Sang You, Han Su Yoo, Guk Mu Park, Dong Woo Jeong, Myung Hoe Kim, Eun Sue Kim, Dae Hee Lee, Jae Hoon Cho, Han Kyung Park, Jae Sung Shin, Hae Dong Kwak, Gwon Hwa Bok, Jun Sik Hwang
  • Publication number: 20250100340
    Abstract: Disclosed are a mount control system and method for vehicles in which a camera of an electronically controlled suspension system with road preview photographs a road surface condition of a road ahead of a vehicle, a suspension controller determines a road surface state of the road based on photographed information of the camera, and a mount controller controls semi-active mounts to be in an on state or in an off state based on road surface state determination information transmitted from the suspension controller and values detected by wheel acceleration sensors mounted on wheels of the vehicle, so as to improve not only NVH performance but also driving vibration damping performance depending on the road surface state.
    Type: Application
    Filed: January 10, 2024
    Publication date: March 27, 2025
    Inventors: Jin Hyun KIM, Jang Ho KIM, Dong Wook LEE, Hyung Jin KIM, Eun Suk YOO, Jong Hoon CHOI, Sang Hyun PARK, Seong Eun HONG, Young Jae KIM, Hyeon Jun KIM, In Yong JUNG, Chang Beom KIM
  • Publication number: 20250098528
    Abstract: The present disclosure relates to an organic electroluminescent compound represented by Formula 1 and an organic electroluminescent device. The organic electroluminescent device according to the present disclosure can exhibit a low driving voltage and a high current efficiency by having different structures of the compounds comprised in the first hole transport layer, the second hole transport layer, and the third hole transport layer and comprising a fluorene-amine, benzofluorene-amine, or naphthofluorene-amine structure in the second hole transport layer.
    Type: Application
    Filed: July 23, 2024
    Publication date: March 20, 2025
    Inventors: Hyun-Woo KANG, Hong-Se OH, Soo-Yong LEE, Hyun KIM, Young-Rok LIM, Dong-Hyung LEE, So-Mi PARK, Samuel KIM, Seung-Hoon YOO, Han-Kyu YOO, Sang-Ho LEE, Jin-Man KIM
  • Publication number: 20250070163
    Abstract: A positive electrode includes a current collector, a first positive electrode active material layer, and a second positive electrode active material layer. The first positive electrode active material layer is formed on the current collector and the second positive electrode active material layer is formed on the first positive electrode active material layer. The first and second positive electrode active material layers each include lithium iron phosphate, a fluorine-based binder, a rubber-based binder, and a conductive material. The rubber-based binder includes a first hydrogenated nitrile butadiene rubber and a second hydrogenated nitrile butadiene rubber A ratio (P2/P1) of the weight P2 of fluorine contained in the second positive electrode active material layer to the weight P1 of fluorine contained in the first positive electrode active material layer is 1 or less.
    Type: Application
    Filed: October 26, 2023
    Publication date: February 27, 2025
    Applicant: LG Energy Solution, Ltd.
    Inventors: Dong Hyun Kim, Houng Sik Yoo, Jong Won Lee, Ji Hee Yoon, Gui Eum Yang, Sang Hoon Choy, Hyeon Choi, O Jong Kwon, Yong Hee Kang
  • Publication number: 20250051275
    Abstract: The present invention relates to a pyrrole derivative or a pharmaceutically or sitologically acceptable salt thereof, and composition for prevention, amelioration or treatment of gastrointestinal disorders comprising same as active ingredient. Through the results, it can be confirmed that the pharmacokinetic parameters, oral bioavailability and storage stability of the compound of the present invention are remarkably improved due to deuteration of the terminal methylamine moiety. The pyrrole derivative or the pharmaceutically or sitologically acceptable salt thereof the present invention exhibits excellent anticancer activity in addition to excellent proton pump inhibitory activity, and has improved pharmacokinetic parameters and chemical stability, and thus can be effectively used in the prevention, amelioration or treatment of gastrointestinal disorders, including gastric cancer.
    Type: Application
    Filed: November 18, 2022
    Publication date: February 13, 2025
    Inventors: Jae Ho YOO, Song l IM, Kyu Hang LEE, Dong Hoon KIM, Eun Hye OH, Dong Yeoul LEE, Ki Moon JUNG, Da Jin KWAK, Seo Yeon KIM, Ye Rin KIM, Chang Ho MIN
  • Patent number: 12184771
    Abstract: An encryption key generating method and apparatus based on homomorphic encryption, and a ciphertext operation method and apparatus using the generated encrypt key are disclosed. The method of generating an encryption key for performing encryption based on homomorphic encryption includes receiving data, generating a first encryption key and a second encryption key used for encrypting the data based on a secret key, and transmitting the first and second encryption keys.
    Type: Grant
    Filed: May 13, 2022
    Date of Patent: December 31, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jieun Eom, Maksim Deriabin, Andrey Kim, Yongwoo Lee, Rakyong Choi, Whan Ghang, Dong-Hoon Yoo
  • Publication number: 20240182138
    Abstract: A floating offshore structure to which a one-side spread mooring system is applied is provided. The floating offshore structure includes: first mooring lines fastened to one of a port and a starboard of a hull, the first mooring lines being spread out in a first direction, which is a direction away from the hull, into a seabed; and second mooring lines fastened to the same side of the hull as the first mooring lines, the second mooring lines being spread out in a second direction, which is a direction toward an opposite side of a centerline of the hull to the first mooring lines, into the seabed through a lower space of the hull.
    Type: Application
    Filed: April 6, 2022
    Publication date: June 6, 2024
    Inventors: Dong Hoon YOO, Dae Hoon KANG
  • Patent number: 11895224
    Abstract: A crypto processor, a method of operating a crypto processor, and an electronic device including a crypto processor. A method of operating a crypto processor for performing a polynomial multiplication of lattice-based texts includes transferring coefficients of polynomials for the polynomial multiplication to multipliers, performing multiplications for a portion of the coefficients in parallel using the multipliers, performing an addition for a portion of results of the multiplications using an adder, and determining a result of the polynomial multiplication based on another portion of the results of the multiplications and a result of the addition.
    Type: Grant
    Filed: April 19, 2021
    Date of Patent: February 6, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Youngsam Shin, Sunmin Kwon, Dong-Hoon Yoo
  • Patent number: 11750365
    Abstract: A method and device for comparing movement paths based on homomorphic encrypted is disclosed, where a server includes a processor configured to collect first encrypted movement path information of a comparison target encrypted by a common key, receive, from a user device, second encrypted movement path information of a user of the user device encrypted by a private key, compare the first encrypted movement path information and the second encrypted movement path information, decrypt a portion of a result of the comparison by the common key to generate a partially decrypted comparison result, and provide the partially decrypted result of the comparison to the user.
    Type: Grant
    Filed: June 8, 2021
    Date of Patent: September 5, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-Hoon Yoo, Sunmin Kwon, Jieun Eom
  • Patent number: 11722290
    Abstract: Disclosed is a method and apparatus for modulus refresh, where the method for modulus refresh of a ciphertext in homomorphic encryption includes receiving a first ciphertext corresponding to a first modulus, generating a second ciphertext by performing a blind rotation on the first ciphertext, and generating a target ciphertext corresponding to a second modulus greater than the first modulus based on the first ciphertext and the second ciphertext.
    Type: Grant
    Filed: February 23, 2022
    Date of Patent: August 8, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jieun Eom, Andrey Kim, Deriabin Maksim, Rakyong Choi, Whan Ghang, Dong-Hoon Yoo, Yongwoo Lee
  • Publication number: 20230246807
    Abstract: Disclosed are an apparatus and method with homomorphic encryption using automorphism. A computing apparatus includes one or more processors and a memory storing instructions configured to cause the one or more processors to, for a blind rotation key for performing a blind rotation operation and an operand ciphertext of the blind rotation operation: generate a preprocessed ciphertext by performing preprocessing on the operand ciphertext based on automorphism, and generate an operation result of the homomorphic encryption by performing the blind rotation operation for the operand ciphertext on a vector component of the preprocessed ciphertext and a vector component of the blind rotation key.
    Type: Application
    Filed: January 27, 2023
    Publication date: August 3, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yongwoo LEE, Andrey KIM, Rakyong CHOI, Maksim DERIABIN, Jieun EOM, Dong-Hoon YOO
  • Publication number: 20230171085
    Abstract: A homomorphic encryption apparatus and method are disclosed. The homomorphic encryption apparatus includes one or more processors, and memory storing instructions configured to, when executed by the one or more processors, cause the one or more processors to receive a blind rotation key for performing a blind rotation operation and receive an operand ciphertext of the blind rotation operation, generate a first ciphertext by performing addition of a polynomial representation based on the blind rotation key and the operand ciphertext, and generate a target ciphertext by performing key switching and accumulative multiplication based on the first ciphertext.
    Type: Application
    Filed: November 26, 2022
    Publication date: June 1, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Yongwoo LEE, Andrey KIM, Maksim DERIABIN, Jieun EOM, Dong-Hoon YOO, Rakyong CHOI
  • Publication number: 20230171084
    Abstract: An apparatus with homomorphic encryption includes: a first memory configured to receive and store a polynomial; a second memory configured to store a twiddle factor; a number theoretic transform (NTT) module configured to perform an NTT operation on the polynomial based on the twiddle factor; and a controller configured to control the first memory, the second memory, and the NTT module, wherein the NTT module comprises a butterfly unit (BU) array that comprises a plurality of BUs configured to, for the performing of the NTT operation, perform a modular operation on coefficients of the polynomial.
    Type: Application
    Filed: October 7, 2022
    Publication date: June 1, 2023
    Applicants: Samsung Electronics Co., Ltd., INHA-INDUSTRY PARTNERSHIP INSTITUTE
    Inventors: Sunmin KWON, Hanho LEE, Phap Ngoc DUONG, Dong-Hoon YOO
  • Publication number: 20230132500
    Abstract: Disclosed are apparatuses and methods with crypto processing. Computing devices may be interconnected to each other. Each computing device may be configured to perform polynomial operations based on homomorphic encryption. Memories may be configured to store instructions. Controllers may be configured to transfer instructions from the memories to the computing devices. One or more of the computing devices may each be configured to individually process, in parallel, at least a portion of the polynomial operations based on the homomorphic encryption according to an instruction transferred from a corresponding memory.
    Type: Application
    Filed: October 14, 2022
    Publication date: May 4, 2023
    Applicants: Samsung Electronics Co., Ltd., Graz University of Technology
    Inventors: Sujoy Sinha Roy, Ahmet Can Mert, Aikata, Sunmin Kwon, YOUNGSAM SHIN, DONG-HOON YOO
  • Publication number: 20220385461
    Abstract: An encryption key generating method and apparatus based on homomorphic encryption, and a ciphertext operation method and apparatus using the generated encrypt key are disclosed. The method of generating an encryption key for performing encryption based on homomorphic encryption includes receiving data, generating a first encryption key and a second encryption key used for encrypting the data based on a secret key, and transmitting the first and second encryption keys.
    Type: Application
    Filed: May 13, 2022
    Publication date: December 1, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jieun EOM, MAKSIM DERIABIN, Andrey KIM, Yongwoo LEE, Rakyong CHOI, Whan GHANG, DONG-HOON YOO
  • Publication number: 20220376890
    Abstract: Disclosed is a method and apparatus for modulus refresh, where the method for modulus refresh of a ciphertext in homomorphic encryption includes receiving a first ciphertext corresponding to a first modulus, generating a second ciphertext by performing a blind rotation on the first ciphertext, and generating a target ciphertext corresponding to a second modulus greater than the first modulus based on the first ciphertext and the second ciphertext.
    Type: Application
    Filed: February 23, 2022
    Publication date: November 24, 2022
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jieun EOM, Andrey KIM, Deriabin MAKSIM, Rakyong CHOI, Whan GHANG, Dong-Hoon YOO, Yongwoo LEE
  • Publication number: 20220182220
    Abstract: A crypto processor, a method of operating a crypto processor, and an electronic device including a crypto processor. A method of operating a crypto processor for performing a polynomial multiplication of lattice-based texts includes transferring coefficients of polynomials for the polynomial multiplication to multipliers, performing multiplications for a portion of the coefficients in parallel using the multipliers, performing an addition for a portion of results of the multiplications using an adder, and determining a result of the polynomial multiplication based on another portion of the results of the multiplications and a result of the addition.
    Type: Application
    Filed: April 19, 2021
    Publication date: June 9, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD
    Inventors: Youngsam SHIN, Sunmin KWON, Dong-Hoon YOO
  • Patent number: 11301016
    Abstract: Provided are computing devices, each including a plurality of cores, and methods of allocating power to the plurality of cores. The computing device includes: a control core group including a plurality of control cores, the control core group configured to allocate a power budget to processing cores according to an energy management policy and state information of the processing cores, and transmit the allocated power budget to at least one of a lower control core and the processing cores; and a processing core group including at least one or more of the processing cores, the processing core group configured to perform computations based on the power budget allocated by the control core group, and transmit state information of the processing cores to the control core group, the state information of the processing cores having been modified based on the computations performed.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: April 12, 2022
    Assignees: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Bernhard Egger, Younghyun Cho, Su-Rim Oh, Dong-hoon Yoo
  • Publication number: 20210409189
    Abstract: A method and device for comparing movement paths based on homomorphic encrypted is disclosed, where a server includes a processor configured to collect first encrypted movement path information of a comparison target encrypted by a common key, receive, from a user device, second encrypted movement path information of a user of the user device encrypted by a private key, compare the first encrypted movement path information and the second encrypted movement path information, decrypt a portion of a result of the comparison by the common key to generate a partially decrypted comparison result, and provide the partially decrypted result of the comparison to the user.
    Type: Application
    Filed: June 8, 2021
    Publication date: December 30, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Dong-Hoon YOO, Sunmin KWON, Jieun EOM
  • Patent number: 11126535
    Abstract: A computing system is provided. The computing system includes: a memory configured to store a shader program; and a graphics processing unit (GPU) configured to obtain the shader program stored in the memory in a profile mode, the GPU being configured to perform: inserting, into the shader program, one or more monitor associative codes; compiling the shader program, into which the one or more monitor associative codes are inserted, into a language that is capable of being processed by a plurality of cores; and obtaining a runtime performance characteristic of the shader program by executing the compiled shader program and the one or more monitor associative codes.
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: September 21, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-sam Shin, Dong-hoon Yoo, Jeong-joon Yoo