Patents by Inventor Se-In Chang

Se-In Chang 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: 12188515
    Abstract: A suspension arm includes a ball stud including a spherical ball; a bearing in which the spherical ball is accommodated; a housing having an inner peripheral portion and an outer peripheral portion; an arm body coupled to the outer peripheral portion of the housing; and an insert molding part which is injected to a lower portion of the bearing and the outer peripheral portion of the housing to be coupled to the bearing, the housing, and the arm body. The housing includes a matching portion having a matching surface formed to protrude in a radially outward direction from an upper portion of the outer peripheral portion and to be brought into contact with a mold. By forming the matching portion, it is possible to reduce the volume of the housing and to reduce the weight of the suspension arm while providing the matching surface with the mold.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: January 7, 2025
    Assignee: ILJIN CO., LTD.
    Inventors: Hyun Woo Kim, Sung Kook Park, Hyo Sang Hwang, Min Kook Park, Soon Chan Kwon, Seung Hyun Nam, Se Hwan Kim, Mu Chang Kang
  • Patent number: 12177453
    Abstract: The present invention relates to an image encoding and decoding technique, and more particularly, to an image encoder and decoder using unidirectional prediction. The image encoder includes a dividing unit to divide a macro block into a plurality of sub-blocks, a unidirectional application determining unit to determine whether an identical prediction mode is applied to each of the plurality of sub-blocks, and a prediction mode determining unit to determine a prediction mode with respect to each of the plurality of sub-blocks based on a determined result of the unidirectional application determining unit.
    Type: Grant
    Filed: May 3, 2023
    Date of Patent: December 24, 2024
    Assignees: Electronics and Telecommunications Research Institute, Kwangwoon University Industry-Academic Collaboration Foundation, University-Industry Cooperation Group of Kyung Hee University
    Inventors: Hae Chul Choi, Se Yoon Jeong, Sung-Chang Lim, Jin Soo Choi, Jin Woo Hong, Dong Gyu Sim, Seoung-Jun Oh, Chang-Beom Ahn, Gwang Hoon Park, Seung Ryong Kook, Sea-Nae Park, Kwang-Su Jeong
  • Publication number: 20240421985
    Abstract: Disclosed herein is a quantum key distribution apparatus. The quantum key distribution apparatus includes an optical pulse in which information for private key generation is included is transmitted to multiple receivers, respectively, through different communication paths, and the optical pulse is generated at a speed higher than an optical pulse measurement speed of each of the multiple receivers by a multiple of a number of multiple receivers.
    Type: Application
    Filed: October 10, 2023
    Publication date: December 19, 2024
    Inventors: O-Sung KWON, Jin-Gak JANG, Haeng-Seok KO, Dae-Sung KWON, Youn-Chang JEONG, Se-Wan JI, Seok KIM, Chang-Ho HONG
  • Patent number: 12160589
    Abstract: An intra prediction method according to the present invention comprises the following steps: performing a directional prediction using at least one of a neighboring pixel of a current block and a left upper corner pixel positioned at a left upper corner of the current block so as to obtain a first prediction value for the current block; obtaining a second prediction value for the current block using the reference sample positioned in the current block; and weighted summing the first prediction value and the second prediction value using a weighting matrix so as to obtain a final prediction value for the current block. According to the present invention, image encoding/decoding efficiency may be improved.
    Type: Grant
    Filed: February 28, 2023
    Date of Patent: December 3, 2024
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jin Ho Lee, Hui Yong Kim, Sung Chang Lim, Jong Ho Kim, Ha Hyun Lee, Se Yoon Jeong, Suk Hee Cho, Jin Soo Choi, Jin Woong Kim, Chie Teuk Ahn
  • Patent number: 12149713
    Abstract: Provided is a transform coefficient scan method including: determining a reference transform block for a decoding target block; deriving a scanning map of the decoding target block using scanning information of the reference transform block; and performing inverse scanning on a transform coefficient of the decoding target block using the derived scanning map. According to the present invention, picture encoding/decoding efficiency may be improved.
    Type: Grant
    Filed: September 28, 2023
    Date of Patent: November 19, 2024
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sung Chang Lim, Hui Yong Kim, Se Yoon Jeong, Jong Ho Kim, Ha Hyun Lee, Jin Ho Lee, Jin Soo Choi, Jin Woong Kim
  • Patent number: 12149724
    Abstract: An inter prediction method according to the present invention comprises the steps of: selecting candidate units from among reconstructed neighbor units; creating a candidate unit set with respect to units to be decoded, using the selected candidate units; determining a reference unit from among the candidate units which constitute the created candidate unit set; and performing inter prediction on the units to be decoded, using the determined reference unit. According to the present invention, image encoding/decoding efficiency can be improved.
    Type: Grant
    Filed: September 27, 2023
    Date of Patent: November 19, 2024
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sung Chang Lim, Hui Yong Kim, Se Yoon Jeong, Suk Hee Cho, Jong Ho Kim, Ha Hyun Lee, Jin Ho Lee, Jin Soo Choi, Jin Woong Kim, Chie Teuk Ahn
  • Patent number: 12139455
    Abstract: Polyethylene glycol derivatives of the following formula I and uses thereof are disclosed. A method for manufacturing the polyethylene glycol derivatives is also disclosed.
    Type: Grant
    Filed: December 20, 2022
    Date of Patent: November 12, 2024
    Assignee: HANMI PHARM. CO., LTD.
    Inventors: Dae Jin Kim, Jong Soo Lee, Sung Min Bae, Se Chang Kwon
  • Patent number: 12138058
    Abstract: A non-invasive, wearable and portable medical device for evaluation and monitoring the heart condition for patients with congestive heart failure and a CHF management system is provided comprising a wearable textile-based device utilizing physiologic and biometric sensors, a Signal Acquisition Unit, and a monitoring system executing a suite of software algorithms to monitor and evaluate patients with CHF.
    Type: Grant
    Filed: February 11, 2021
    Date of Patent: November 12, 2024
    Assignee: NANOWEAR INC.
    Inventors: Vijay Varadan, Pratyush Rai, Se Chang Oh, Prashanth Shyam Kumar, Mouli Ramasamy
  • Publication number: 20240361792
    Abstract: A regulator may include a bias current generation circuit including a first input terminal and a second input terminal and configured to generate a bias current in response to at least one of a voltage applied to the first input terminal and a voltage applied to the second input terminal, and a current source circuit including a plurality of current sources connected in parallel and configured to control a magnitude of the bias current. The regulator, the display device including the same, the electronic device including the same, and the method of driving the same according to embodiments of the disclosure may reduce power consumption.
    Type: Application
    Filed: December 1, 2023
    Publication date: October 31, 2024
    Inventors: HYUN CHANG KIM, SE BYUNG CHAE
  • Publication number: 20240340440
    Abstract: An inter prediction method according to the present invention comprises: a step for deriving reference motion information related to a unit to be decoded in a current picture; and a step for performing motion compensation for the unit to be decoded, using the reference motion information that has been derived. According to the present invention, image encoding/decoding efficiency can be enhanced.
    Type: Application
    Filed: June 18, 2024
    Publication date: October 10, 2024
    Inventors: Sung Chang LIM, Hui Yong KIM, Se Yoon JEONG, Suk Hee CHO, Jong Ho KIM, Ha Hyun LEE, Jin Ho LEE, Jin Soo CHOI, Jin Woong KIM, Chie Teuk AHN
  • Patent number: 12084538
    Abstract: A method for producing a polymer containing metal atoms or halogen atoms at the terminals thereof with excellent efficiency while minimizing or eliminating side reactions or the like is provided. The method can also freely control molecular weight characteristics of the polymer.
    Type: Grant
    Filed: July 16, 2018
    Date of Patent: September 10, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Yoon Hyung Hur, Je Gwon Lee, Sung Soo Yoon, No Jin Park, Eun Young Choi, Se Jin Ku, Mi Sook Lee, Hyung Ju Ryu, Na Na Kang, Eung Chang Lee
  • Patent number: 12088807
    Abstract: The present invention relates to a video encoding method and apparatus for setting and encoding quantization parameters, and to a video decoding method and apparatus for decoding and setting quantization parameters in a video encoding and decoding apparatus which uses blocks having various sizes and depths as encoding and decoding units.
    Type: Grant
    Filed: March 6, 2023
    Date of Patent: September 10, 2024
    Assignee: IDEAHUB INC.
    Inventors: Sung Chang Lim, Hui Yong Kim, Se Yoon Jeong, Suk Hee Cho, Jong Ho Kim, Ha Hyun Lee, Jin Ho Lee, Jin Soo Choi, Jin Woong Kim, Chie Teuk Ahn
  • Publication number: 20240291969
    Abstract: Disclosed herein is an intra prediction method including: deriving neighbor prediction mode information from a left neighbor prediction mode and an upper neighbor prediction mode; deriving an intra prediction mode for a decoding target unit by using the derived neighbor prediction mode information; and performing intra prediction on the decoding target unit based on the intra prediction mode. According to exemplary embodiments of the present invention, image encoding/decoding efficiency can be improved.
    Type: Application
    Filed: May 3, 2024
    Publication date: August 29, 2024
    Inventors: Ha Hyun LEE, Hui Yong KIM, Sung Chang LIM, Jong Ho KIM, Jin Ho LEE, Se Yoon JEONG, Suk Hee CHO, Jin Soo CHOI, Jin Woong KIM, Chie Teuk AHN
  • Patent number: 12075090
    Abstract: Provided is a method and apparatus for performing intra-prediction using an adaptive filter. The method for performing intra-prediction includes the steps of: determining whether or not to apply a first filter for a reference pixel value on the basis of information of a neighboring block of a current block; applying the first filter for the reference pixel value when it is determined to apply the first filter; performing intra-prediction on the current block on the basis of the reference pixel value; determining whether or not to apply a second filter for a prediction value according to each prediction mode of the current block, which is predicted by the intra-prediction performance on the basis of the information of the neighboring block; and applying the second filter for the prediction value according to each prediction mode of the current block when it is determined to apply the second filter.
    Type: Grant
    Filed: February 3, 2023
    Date of Patent: August 27, 2024
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jin Ho Lee, Hui Yong Kim, Se Yoon Jeong, Suk Hee Cho, Ha Hyun Lee, Jong Ho Kim, Sung Chang Lim, Jin Soo Choi, Jin Woong Kim, Chie Teuk Ahn
  • Patent number: 12063385
    Abstract: An inter prediction method according to the present invention comprises: a step for deriving reference motion information related to a unit to be decoded in a current picture; and a step for performing motion compensation for the unit to be decoded, using the reference motion information that has been derived. According to the present invention, image encoding/decoding efficiency can be enhanced.
    Type: Grant
    Filed: July 5, 2023
    Date of Patent: August 13, 2024
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sung Chang Lim, Hui Yong Kim, Se Yoon Jeong, Suk Hee Cho, Jong Ho Kim, Ha Hyun Lee, Jin Ho Lee, Jin Soo Choi, Jin Woong Kim, Chie Teuk Ahn
  • Publication number: 20240264744
    Abstract: A memory system includes a memory device including a plurality of memory blocks and a memory controller. The memory controller determines, when a read request for data stored in a first memory block among the plurality of memory blocks is received, whether a dummy read operation on the first memory block is to be performed, based on an erase count value of a second memory block which shares a block word line with the first memory block before a read operation on the first memory block is performed.
    Type: Application
    Filed: August 3, 2023
    Publication date: August 8, 2024
    Applicant: SK hynix Inc.
    Inventor: Se Chang PARK
  • Publication number: 20240259584
    Abstract: The present invention relates to image processing, and more particularly, to a video coding/decoding method using a clipped motion vector and an apparatus thereof. An embodiment of the present invention relates to a method of decoding an image. The method includes clipping a motion vector of a reference picture in a predetermined dynamic range to generate a clipped motion vector, storing the clipped motion vector in a buffer, deriving a motion vector of a coding treeblock using the motion vector stored in the buffer, and performing inter prediction decoding process using the motion vector of the coding treeblock. According to the exemplary embodiment of the present invention, a size of a memory required for storing motion vectors may be reduced.
    Type: Application
    Filed: April 9, 2024
    Publication date: August 1, 2024
    Inventors: Sung Chang LIM, Hui Yong KIM, Se Yoon JEONG, Suk Hee CHO, Dong San JUN, Jong Ho KIM, Ha Hyun LEE, Jin Ho LEE, Jin Soo CHOI, Jin Woong KIM
  • Publication number: 20240251081
    Abstract: Disclosed are a method for determining a color difference component quantization parameter and a device using the method. Method for decoding an image can comprise the steps of: decoding a color difference component quantization parameter offset on the basis of size information of a transform unit; and calculating a color difference component quantization parameter index on the basis of the decoded color difference component quantization parameter offset. Therefore, the present invention enables effective quantization by applying different color difference component quantization parameters according to the size of the transform unit when executing the quantization.
    Type: Application
    Filed: April 5, 2024
    Publication date: July 25, 2024
    Inventors: Sung Chang LIM, Hui Yong KIM, Se Yoon JEONG, Jong Ho KIM, Ha Hyun LEE, Jin Ho LEE, Jin Soo CHOI, Jin Woong KIM
  • Patent number: 12018060
    Abstract: The present invention relates to a novel peptide of a glucagon derivative and a composition for preventing or treating obesity comprising the peptide as an active ingredient. The glucagon derivative according to the present invention shows a more excellent activating effect with regard to both glucagon-like peptide-1 receptors and glucagon receptors compared to native glucagon, and thus can be widely used as an effective agent for treating obesity.
    Type: Grant
    Filed: October 12, 2021
    Date of Patent: June 25, 2024
    Assignee: Hanmi Pharm Co., Ltd.
    Inventors: Sung Youb Jung, Young Jin Park, Jong Suk Lee, Jae Hyuk Choi, Chang Ki Lim, Se Chang Kwon
  • Publication number: 20240189475
    Abstract: An example embodiment of the present disclosure relates to a nanofiber scaffold including polycaprolactone (poly(?-caprolactone; PCL), decellularized extracellular matrix (dECM) and usnic acid (UA), and a preparation method thereof. The nanofiber scaffold of an example embodiment of the present disclosure has a uniform nanofiber structure, good fluid absorption and retention, moderate release rate, high mechanical stability, thermal stability, and semi-crystalline structure, and exhibits excellent antibacterial efficacy against fungi/bacteria such as Candida albicans, and good compatibility with human-derived fibroblasts.
    Type: Application
    Filed: May 12, 2023
    Publication date: June 13, 2024
    Applicant: PUKYONG NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION
    Inventors: Won-Kyo Jung, Milan Pathum Chandika, Tae-Hee Kim, Se-Chang Kim