Patents by Inventor Sung-hwan Lim

Sung-hwan Lim 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).

  • Publication number: 20250012402
    Abstract: Disclosed are a thermoplastic resin composition and a molded product including the same, and based on 100 parts by weight of a base resin including (A) 70 wt % to 90 wt % of a polybutylene terephthalate resin and (B) 10 wt % to 30 wt % of an acrylate-based graft copolymer, the thermoplastic resin composition includes: (C) 1 part by weight to 5 parts by weight of an epoxy group-containing methacrylate-aromatic vinyl-unsaturated nitrile copolymer; (D) 15 parts by weight to 20 parts by weight of a carbon fiber; (E) 1 part by weight to 5 parts by weight of carbon nanotubes; and (F) 18 parts by weight to 20 parts by weight of aluminum diethyl phosphinate (ADEP).
    Type: Application
    Filed: November 14, 2022
    Publication date: January 9, 2025
    Inventors: Dae Gun KIM, Yong Jin KWON, Sung Hwan LIM, Jun Hyeok JANG, Kyo Min LEE, Young Koan KO, Won Young KIM, In Bo KANG, Myung Ock LEE
  • Patent number: 12138101
    Abstract: Provided is an X-ray image apparatus. The X-ray imaging apparatus include an imaging body and a control circuit. The image body acquires X-ray image data of an object and includes an X-ray generation device and an X-ray sensing device. The X-ray generating device and the X-ray sensing device are disposed to face each other with the object in between. The control circuit reconfigures an X-ray image of the object based on the X-ray image data, acquire size information of the object, rotate the X-ray generation device and the X-ray sensing device about a rotation axis between the X-ray generation device and the X-ray sensing device, and move the object along a direction of the rotation axis with respect to the X-ray generation device and the X-ray sensing device when acquiring the X-ray image data.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: November 12, 2024
    Assignees: VATECH Co., Ltd., VATECH EWOO Holdings Co., Ltd.
    Inventors: Tae Hee Han, Yong Joo Yang, Sung Hwan Lim
  • Patent number: 12117079
    Abstract: To provide a chain guide, chain drive device, and transmission system, with which an amount of lubricating oil supplied to guide surfaces is increased. The chain guide includes an upper additional extension formed to extend from an upper end of a sliding guide part in the guide longitudinal direction and having an oil-recovery guide surface positioned opposite and spaced from the chain.
    Type: Grant
    Filed: March 21, 2023
    Date of Patent: October 15, 2024
    Assignee: TSUBAKIMOTO CHAIN CO.
    Inventors: Sung-Hwan Lim, Munehiro Maeda, Seigo Ohsawa, Yuji Oshima
  • Patent number: 11940047
    Abstract: To provide a simple-structured chain guide assembly frame capable of reliably maintaining a correct positional relationship between a driven sprocket and a sprocket holding portion without the possibility of driven sprocket detachment. The chain guide assembly frame includes a main body having a fixed-guide-side sprocket holding portion and a pivoting-guide-side sprocket holding portion. The fixed-guide-side sprocket holding portion includes a first fixed-guide-side support portion that supports a driven sprocket at a first contact point, and a second fixed-guide-side support portion that supports the driven sprocket at a second contact point located more outside than the first contact point. When the driven sprocket is in an erected state in which the driven sprocket is supported at the first contact point and second contact point, the vector of gravity acting on the gravity center of the driven sprocket points between the first contact point and second contact point.
    Type: Grant
    Filed: December 13, 2022
    Date of Patent: March 26, 2024
    Assignee: TSUBAKIMOTO CHAIN CO.
    Inventors: Volkmar Nyga, Seigo Ohsawa, Sung-Hwan Lim, Munehiro Maeda, Yuji Oshima
  • Patent number: 11933400
    Abstract: To provide a chain guide assembly frame capable of efficiently collecting the oil that adhered to various parts of the chain guide assembly, and guiding the collected oil to predetermined locations, to allow efficient use of oil, with a simple structure. The chain guide assembly frame includes driven sprocket holding portions, a fixed chain guide, and a pivoting chain guide holding portion on a main body. A drive sprocket holding portion is provided at a position lower than the driven sprocket holding portions. The main body includes a concave and/or convex oil passage that extends from an upper part toward a lower part to guide the oil toward above the drive sprocket holding portion.
    Type: Grant
    Filed: December 13, 2022
    Date of Patent: March 19, 2024
    Assignee: TSUBAKIMOTO CHAIN CO.
    Inventors: Volkmar Nyga, Seigo Ohsawa, Sung-Hwan Lim, Munehiro Maeda, Yuji Oshima
  • Publication number: 20230304565
    Abstract: To provide a chain guide, chain drive device, and transmission system, with which an amount of lubricating oil supplied to guide surfaces is increased. The chain guide includes an upper additional extension formed to extend from an upper end of a sliding guide part in the guide longitudinal direction and having an oil-recovery guide surface positioned opposite and spaced from the chain.
    Type: Application
    Filed: March 21, 2023
    Publication date: September 28, 2023
    Applicant: TSUBAKIMOTO CHAIN CO.
    Inventors: Sung-Hwan LIM, Munehiro MAEDA, Seigo OHSAWA, Yuji OSHIMA
  • Publication number: 20230193795
    Abstract: To provide a chain guide assembly frame capable of efficiently collecting the oil that adhered to various parts of the chain guide assembly, and guiding the collected oil to predetermined locations, to allow efficient use of oil, with a simple structure. The chain guide assembly frame includes driven sprocket holding portions, a fixed chain guide, and a pivoting chain guide holding portion on a main body. A drive sprocket holding portion is provided at a position lower than the driven sprocket holding portions. The main body includes a concave and/or convex oil passage that extends from an upper part toward a lower part to guide the oil toward above the drive sprocket holding portion.
    Type: Application
    Filed: December 13, 2022
    Publication date: June 22, 2023
    Applicant: TSUBAKIMOTO CHAIN CO.
    Inventors: Volkmar Nyga, Seigo Ohsawa, Sung-Hwan Lim, Munehiro Maeda, Yuji Oshima
  • Publication number: 20230184311
    Abstract: To provide a simple-structured chain guide assembly frame capable of reliably maintaining a correct positional relationship between a driven sprocket and a sprocket holding portion without the possibility of driven sprocket detachment. The chain guide assembly frame includes a main body having a fixed-guide-side sprocket holding portion and a pivoting-guide-side sprocket holding portion. The fixed-guide-side sprocket holding portion includes a first fixed-guide-side support portion that supports a driven sprocket at a first contact point, and a second fixed-guide-side support portion that supports the driven sprocket at a second contact point located more outside than the first contact point. When the driven sprocket is in an erected state in which the driven sprocket is supported at the first contact point and second contact point, the vector of gravity acting on the gravity center of the driven sprocket points between the first contact point and second contact point.
    Type: Application
    Filed: December 13, 2022
    Publication date: June 15, 2023
    Applicant: TSUBAKIMOTO CHAIN CO.
    Inventors: Volkmar Nyga, Seigo Ohsawa, Sung-Hwan Lim, Munehiro Maeda, Yuji Oshima
  • Patent number: 11600014
    Abstract: The present invention relates to a pose estimation method of an interventional medical device using a single-view X-ray image which is captured using a bendable interventional medical device equipped with a plurality of radiopaque markers and using an X-ray source. The pose estimation method includes an operation (a) of defining a circle assuming that the interventional medical device is bent at a constant curvature, an operation (b) of extracting a position value of the marker from an X-ray image obtained by the X-ray source projecting X-rays onto the markers, and an operation (c) of setting a projection plane and estimating a shape of the circle using a position value of the marker extracted from a projected image obtained by perspective-projecting the circle onto the projection plane and using the position value of the marker extracted from the X-ray image.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: March 7, 2023
    Assignee: Korea Institute of Science and Technology
    Inventors: Deuk Hee Lee, Sung Hwan Lim, Jun Hyoung Ha
  • Publication number: 20220389180
    Abstract: The present invention relates to: a polyolefin-based resin foam including a polyolefin-based resin and a conductive filler containing carbon nanotubes and carbon black, wherein the weight ratio of the carbon nanotubes to the carbon black is about 1:1.5 to about 1:5; and a molded product produced therefrom. The polyolefin-based resin foam according to the present invention includes the carbon nanotubes and the carbon black in an appropriate ratio, and thus a molded product having good bondability and exhibiting low surface resistance and surface resistance deviation can be produced by molding the same.
    Type: Application
    Filed: November 27, 2020
    Publication date: December 8, 2022
    Inventors: Jun Hyeok JANG, Yong Jin KWON, Se Yeon EOM, Sung Hwan LIM
  • Publication number: 20220061792
    Abstract: Proposed is an X-ray imaging apparatus including an imaging body configured to include an X-ray generation module and an X-ray sensing module that face each other with an object in between and acquire X-ray image data, an image formation module configured to reconfigure an X-ray image of the object on the basis of the X-ray image data, a size information acquisition module configured to acquire size information on the object using the X-ray image, and a control module configured to rotate the X-ray generation module and the X-ray sensing module about a rotation axis between the X-ray generation module and the X-ray sensing module and relatively move the object along a direction of the rotation axis with respect to the X-ray generation module and the X-ray sensing module when capturing the X-ray image, wherein the control module controls a relative moving speed of the object on the basis of the size information.
    Type: Application
    Filed: August 31, 2021
    Publication date: March 3, 2022
    Applicants: VATECH Co., Ltd., VATECH EWOO Holdings Co., Ltd.
    Inventors: Tae Hee HAN, Yong Joo YANG, Sung Hwan LIM
  • Publication number: 20220010084
    Abstract: The present invention relates to a foam composition for vehicle seat cushions, foam for a vehicle seat cushion, and a manufacturing method therefor, the foam composition comprising: (A) 49.5 wt % to 80 wt % of a polypropylene-based resin; (B) 19.5 wt % to 50 wt % of a modified olefin-based elastomer resin having a melting temperature (Tm) of 60° C. to 110° C. and a melting index (MI) value of 0.5 g/10 min to 4 g/10 min, as measured at 190° C. under a load of 2.16 kg according to ASTM D1238; and 0.1 wt % to 0.5 wt % of (C) a filler.
    Type: Application
    Filed: November 29, 2019
    Publication date: January 13, 2022
    Inventors: Yong Jin KWON, Sung Hwan LIM, Se Yeon EOM
  • Publication number: 20210395482
    Abstract: A method for manufacturing semi-conductive polypropylene resin foamed particles of the present invention comprises the steps of: allowing carbon nanotubes to be adsorbed on surfaces of polypropylene resin composition pellets to manufacture carbon nanotube-adsorbed pellets (CNT-PP); and foaming the carbon nanotube-adsorbed pellets (CNT-PP) to form foamed particles.
    Type: Application
    Filed: November 29, 2019
    Publication date: December 23, 2021
    Inventors: Se Yeon EOM, Sung Hwan LIM, Yong Jin KWON, Jun Hyeok JANG
  • Publication number: 20210334999
    Abstract: The present invention relates to a pose estimation method of an interventional medical device using a single-view X-ray image which is captured using a bendable interventional medical device equipped with a plurality of radiopaque markers and using an X-ray source. The pose estimation method includes an operation (a) of defining a circle assuming that the interventional medical device is bent at a constant curvature, an operation (b) of extracting a position value of the marker from an X-ray image obtained by the X-ray source projecting X-rays onto the markers, and an operation (c) of setting a projection plane and estimating a shape of the circle using a position value of the marker extracted from a projected image obtained by perspective-projecting the circle onto the projection plane and using the position value of the marker extracted from the X-ray image.
    Type: Application
    Filed: September 17, 2020
    Publication date: October 28, 2021
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Deuk Hee LEE, Sung Hwan LIM, Jun Hyoung HA
  • Patent number: 10882976
    Abstract: The present disclosure relates to a resin composition for preparing polyolefin-based foamed articles having flame retardancy and flame retardant foamed articles formed therefrom. The resin composition according to the present disclosure can provide foamed articles having excellent flame retardancy and flame resistance while exhibiting a high fusion ratio and a low shrinkage ratio in the foam molding.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: January 5, 2021
    Assignee: LOTTE CHEMICAL CORPORATION
    Inventors: Yong Jin Kwon, Sung Hwan Lim, Se Yeon Eom
  • Publication number: 20200329748
    Abstract: The present invention relates to novel Aspergillus oryzae CJ 1354, isolated and identified from Korean traditional meju, exhibiting high enzymatic activities in rice as a substrate, a method for preparing a rice hot pepper paste having an improved flavor using the same, and a rice hot pepper paste prepared by the method. Specifically, the method comprises a process in which rice milled to have a certain whiteness is treated with high-pressure steam having a pressure of 2.0-4.0 kgf/cm2 in a steaming step to control the viscosity and water content of the steamed rice to thereby prevent agglomeration from occurring during transfer of the steamed rice. Also, in the method, novel Aspergillus oryzae CJ 1354 is used in a step of making rice koji.
    Type: Application
    Filed: July 8, 2020
    Publication date: October 22, 2020
    Inventors: Seon Mi OH, Sung Hwan LIM, Min Kyung PARK, Sun A CHO, Eun Seok JANG, Hye Won SHIN, Hyun Jun JANG
  • Publication number: 20190256687
    Abstract: The present disclosure relates to a resin composition for preparing polyolefin-based foamed articles having flame retardancy and flame retardant foamed articles formed therefrom. The resin composition according to the present disclosure can provide foamed articles having excellent flame retardancy and flame resistance while exhibiting a high fusion ratio and a low shrinkage ratio in the foam molding.
    Type: Application
    Filed: September 19, 2017
    Publication date: August 22, 2019
    Applicant: LOTTE CHEMICAL CORPORATION
    Inventors: Yong Jin KWON, Sung Hwan LIM, Se Yeon EOM
  • Patent number: 10301503
    Abstract: The present invention relates to a poly(arylene ether) resin composition and a cable coated with the same. More particularly, the present invention relates to a poly(arylene ether) resin composition, including 20 to 40% by weight of a poly(arylene ether) resin, 15 to 35% by weight of a low-molecular weight styrene-based block copolymer having a weight-average molecular weight of 90,000 g/mol or less, 10 to 30% by weight of a high-molecular weight styrene-based block copolymer having a weight-average molecular weight of 95,000 g/mol or more, 1 to 20% by weight of a flame retardant, and 0 to 20% by weight of an additive. In accordance with the present invention, a poly(arylene ether) resin composition having superior flame retardancy, tensile strength, flexibility, extrusion processability, elongation, and appearance characteristics and a cable coated with the same are provided.
    Type: Grant
    Filed: June 13, 2016
    Date of Patent: May 28, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Sung Hwan Lim, Nam Jib Park, Gun Ko, Soo Min Lee, Sang Wook Na, Byung Wook Lee
  • Patent number: 10280303
    Abstract: The present invention relates to a non-halogen thermoplastic resin composition and a cable including the same. More particularly, the present invention provides a non-halogen thermoplastic resin composition in which a halogen-based flame retardant causing environmental and human health problems is not included and the content of a phosphorus flame retardant causing decrease in appearance and properties is decreased, but which has identical or superior mechanical strength, chemical resistance, heat resistance, and flame retardancy, compared to existing thermoplastic resin compositions, and a cable including the same.
    Type: Grant
    Filed: November 24, 2016
    Date of Patent: May 7, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Gun Ko, Sung Hwan Lim, Byung Wook Lee, Soo Min Lee, Sang Wook Na, Sung Moon Choi
  • Patent number: 10208195
    Abstract: The present invention relates to a polypropylene resin composition and a cable cladded with the same. More particularly, the present invention relates to a polypropylene resin composition, including 25 to 35% by weight of a polypropylene polymer, 15 to 25% by weight of a styrene block copolymer, 15 to 25% by weight of a poly(arylene ether) resin, 26 to 35% by weight of a phosphorus flame retardant, and 0 to 10% by weight of a processing additive. In accordance with the present invention, a polypropylene resin composition including a small amount of flame retardant but exhibiting excellent flame resistance, insulation performance, processability, and property balance, and a cable cladded with the same are provided.
    Type: Grant
    Filed: June 12, 2016
    Date of Patent: February 19, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Sung Hwan Lim, Byung Wook Lee, Gun Ko, Soo Min Lee, Sang Wook Na