Patents by Inventor Sang-Hwan Oh

Sang-Hwan Oh 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: 20240170774
    Abstract: Secondary battery sealing equipment presses and seals a sealing portion of a pouch. The secondary battery sealing equipment including includes: a pair of sealing blocks and a gap adjustment device configured to adjust the gap between the pair of sealing blocks. The gap adjustment device includes: support pieces provided at respective ends of a first sealing block that presses one surface of the sealing portion of the pouch; and gap adjustment pieces rotatably coupled to respective ends of a second sealing block that presses the other surface of the sealing portion of the pouch. Each of the gap adjustment pieces is provided with a plurality of adjustment surfaces having different heights, and at least one of the plurality of adjustment surfaces is configured to engage a respective support pieces to adjust the gap between the pair of sealing blocks.
    Type: Application
    Filed: October 7, 2022
    Publication date: May 23, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Eung Hyun Lee, Woong Gun Oh, Gee Hwan Kim, Sang Uk Yeo
  • Publication number: 20240155212
    Abstract: A camera module includes: a first body including a substrate; an image sensor mounted on the substrate; a second body including a lens module; a ball bearing disposed between the first body and the second body to enable movement of the second body relative to the first body; and a driving member disposed between the first body and the second body to provide driving force to move the second body in at least one direction intersecting an optical axis.
    Type: Application
    Filed: May 16, 2023
    Publication date: May 9, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Do Hwan KIM, Ju Ho KIM, Sang Hyun JI, Jung Hyun PARK, Nam Keun OH, Doo Seub SHIN, Dong Hoon LEE, Jong Eun PARK, Sangik CHO
  • Patent number: 11972825
    Abstract: An integrated circuit chip includes a first through electrode and a second through electrode formed through the integrated circuit chip, a transmission circuit suitable for selecting one of signals transmitted through the first and second through electrodes, respectively, and transmitting the selected signal to a data line, in response to a selection signal, and a selection signal generation circuit suitable for generating the selection signal by toggling the selection signal, during a test operation.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: April 30, 2024
    Assignee: SK hynix Inc.
    Inventors: Ji-Hwan Kim, Sang-Muk Oh
  • Patent number: 11964882
    Abstract: An IoT-based system for measurement of contamination distribution of contaminated groundwater through real-time monitoring of a contamination degree of a contaminated groundwater well for control of a contaminated groundwater purification device and prediction of a purification period based on the measurement result.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: April 23, 2024
    Assignees: HYORIM CO., LTD.
    Inventors: Sung Kook Cho, Seong Ghui Cho, Myeong Gwang Oh, Sang Hwan Lee
  • Patent number: 11967269
    Abstract: A scan driver includes: a first transistor having a first electrode coupled to an output scan line, a second electrode coupled to a first power line, and a gate electrode coupled to a first node; a second transistor having a first electrode coupled to a first clock line, a second electrode coupled to the output scan line, and a gate electrode coupled to a second node; a third transistor having a first electrode coupled to the first node, a second electrode coupled to a first input scan line, and a gate electrode coupled to a second clock line; and a fourth transistor having a first electrode coupled to the second node and a second electrode and a gate electrode, which are coupled to a second input scan line, wherein the first input scan line and the second input scan line are different from each other.
    Type: Grant
    Filed: October 4, 2022
    Date of Patent: April 23, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chul Kyu Kang, Sung Hwan Kim, Soo Hee Oh, Dong Sun Lee, Sang Moo Choi
  • Patent number: 11963439
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure, it is possible to produce an organic electroluminescent device having improved driving voltage, power efficiency, and/or lifetime properties compared to the conventional organic electroluminescent devices.
    Type: Grant
    Filed: August 24, 2022
    Date of Patent: April 16, 2024
    Assignee: Rohm and Haas Electronic Materials Korea Ltd.
    Inventors: Eun-Joung Choi, Young-Kwang Kim, Su-Hyun Lee, So-Young Jung, YeJin Jeon, Hong-Se Oh, Dong-Hyung Lee, Jin-Man Kim, Hyun-Woo Kang, Mi-Ja Lee, Hee-Ryong Kang, Hyo-Nim Shin, Jeong-Hwan Jeon, Sang-Hee Cho
  • Patent number: 11936075
    Abstract: Disclosed are a separator for fuel cells capable of minimizing the volume of a system and the use of sealants, and a stack for fuel cells, more particularly, a stack for solid oxide fuel cells, including the same. Specifically, by adding a metal sheet having a specific shape, position and size to the separator, the stress applied to the sealant can be uniformized, and thus the oxidizing agent and fuel can be separated and electrically isolated using only a piece of sealant. Therefore, the stack for fuel cells is characterized in that there is no variation in temperature, reactant concentration, power, or the like between respective unit cells, so delamination and microcracks do not occur, the volume is minimized, and the power density per unit volume is very high.
    Type: Grant
    Filed: December 21, 2021
    Date of Patent: March 19, 2024
    Assignee: Korea Institute of Science and Technology
    Inventors: Jong Ho Lee, Kyung Joong Yoon, Ji Won Son, Seong Kook Oh, Sang Hyeok Lee, Dong Hwan Kim, Min Jun Oh
  • Patent number: 11774640
    Abstract: A vehicle camera is disclosed. A vehicle camera according to at least one embodiment includes a water-repellent coating layer configured to allow a contact angle of water droplets to be formed at at least a predetermined angle, a reflective member having a reflective surface configured to change an optical path, a lens group including at least one or more lenses that have high heat resistance and a glass transition temperature of 140° C. or higher, and an optical filter group including at least one or more optical filters, wherein the water-repellent coating layer, the reflective member, the lens group, and the optical filter group are arranged in order of appearance from an object side along an optical axis.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: October 3, 2023
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventors: Tae Youn Lee, Sang Hwan Oh, Eun Ho Choi
  • Patent number: 11407364
    Abstract: A vehicle camera module includes: a lens module; a circuit board including an image sensor; a front, metal powder injection molded housing having a front side assembled with the lens module and a rear side assembled with the circuit board configured to be received within the front housing; and a rear, metal powder injection molded housing assembled to the rear side of the front housing, the front housing having a rear surface and including a pocket portion formed inward toward the front side, and the rear housing including front edges and protrusions extending in lateral directions from the front edges and an insertion portion accommodated in the pocket portion.
    Type: Grant
    Filed: October 1, 2020
    Date of Patent: August 9, 2022
    Assignee: Hyundai Mobis Co., Ltd.
    Inventors: Hyung Min Kim, Sang Hwan Oh
  • Patent number: 11312306
    Abstract: a camera-puddle lamp integrated apparatus is disclosed. The apparatus comprising a lens module; an image sensor; and a puddle lamp module, the puddle lamp module includes a light source, a spring, a sliding bar, and a solenoid and is disposed in a second area outside the first area, the light source is formed to be movable to be located in the first area or the second area, the light source is fixed to one side of the sliding bar, a moving part of the solenoid is connected to the other side of the sliding bar, and the spring is formed to be operated to move the sliding bar when the solenoid is switched to a non-operational state so as to move the light source to the second area, the camera-puddle lamp integrated apparatus operates as a puddle lamp when the light source moves to the first area, and the camera-puddle lamp integrated apparatus operates as a camera when the light source moves to the second area.
    Type: Grant
    Filed: June 10, 2021
    Date of Patent: April 26, 2022
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventors: Won Moo Lee, Sang Hwan Oh, Eun Ho Choi, Hyun Seok Lee, Tae Youn Lee
  • Publication number: 20210387574
    Abstract: a camera-puddle lamp integrated apparatus is disclosed. The apparatus comprising a lens module; an image sensor; and a puddle lamp module, the puddle lamp module includes a light source, a spring, a sliding bar, and a solenoid and is disposed in a second area outside the first area, the light source is formed to be movable to be located in the first area or the second area, the light source is fixed to one side of the sliding bar, a moving part of the solenoid is connected to the other side of the sliding bar, and the spring is formed to be operated to move the sliding bar when the solenoid is switched to a non-operational state so as to move the light source to the second area, the camera-puddle lamp integrated apparatus operates as a puddle lamp when the light source moves to the first area, and the camera-puddle lamp integrated apparatus operates as a camera when the light source moves to the second area.
    Type: Application
    Filed: June 10, 2021
    Publication date: December 16, 2021
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Won Moo LEE, Sang Hwan OH, Eun Ho CHOI, Hyun Seok LEE, Tae Youn LEE
  • Publication number: 20210382207
    Abstract: A vehicle camera is disclosed. A vehicle camera according to at least one embodiment includes a water-repellent coating layer configured to allow a contact angle of water droplets to be formed at at least a predetermined angle, a reflective member having a reflective surface configured to change an optical path, a lens group including at least one or more lenses that have high heat resistance and a glass transition temperature of 140° C. or higher, and an optical filter group including at least one or more optical filters, wherein the water-repellent coating layer, the reflective member, the lens group, and the optical filter group are arranged in order of appearance from an object side along an optical axis.
    Type: Application
    Filed: September 23, 2020
    Publication date: December 9, 2021
    Inventors: Tae Youn LEE, Sang Hwan OH, Eun Ho CHOI
  • Publication number: 20210323485
    Abstract: A vehicle camera module includes: a lens module; a circuit board including an image sensor; a front, metal powder injection molded housing having a front side assembled with the lens module and a rear side assembled with the circuit board configured to be received within the front housing; and a rear, metal powder injection molded housing assembled to the rear side of the front housing, the front housing having a rear surface and including a pocket portion formed inward toward the front side, and the rear housing including front edges and protrusions extending in lateral directions from the front edges and an insertion portion accommodated in the pocket portion.
    Type: Application
    Filed: October 1, 2020
    Publication date: October 21, 2021
    Inventors: Hyung Min KIM, Sang Hwan OH
  • Patent number: 10621362
    Abstract: Provided are a method and a system capable of efficiently detecting security vulnerability of program. The method includes: generating binary information including route information indicating an execution route of a program on a first test case; acquiring first crash information including the first test case and the route information when a crash of the first test case occurs; restoring a control flow graph based on the binary information; calculating complexity of the restored control flow graph; determining whether the complexity is less than a threshold value; only when a result of the determination indicates that the complexity is less than a threshold value, performing: executing a route detection on the route information; generating a second test case by executing the route detection; and acquiring a second crash information including the second test case and the route information.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: April 14, 2020
    Assignee: KOREA INTERNET & SECURITY AGENCY
    Inventors: Hwan Kuk Kim, Tae Eun Kim, Sang Hwan Oh, Soo Jin Yoon, Jee Soo Jurn, Geon Bae Na
  • Patent number: 10586053
    Abstract: Provided are a method and a system capable of efficiently detecting security vulnerability of program. The system for detecting the security vulnerability according to an embodiment of the present invention includes a vulnerability detecting module that acquires crash information, a binary analysis module that determines priority of binary information and whether to execute the route detection, and a route detecting module that executes the route detection to generate a new test case.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: March 10, 2020
    Assignee: KOREA INTERNET & SECURITY AGENCY
    Inventors: Hwan Kuk Kim, Tae Eun Kim, Sang Hwan Oh, Soo Jin Yoon, Jee Soo Jurn, Geon Bae Na
  • Publication number: 20190266333
    Abstract: Provided are a method and a system capable of efficiently detecting security vulnerability of program. The method includes: generating binary information including route information indicating an execution route of a program on a first test case; acquiring first crash information including the first test case and the route information when a crash of the first test case occurs; restoring a control flow graph based on the binary information; calculating complexity of the restored control flow graph; determining whether the complexity is less than a threshold value; only when a result of the determination indicates that the complexity is less than a threshold value, performing: executing a route detection on the route information; generating a second test case by executing the route detection; and acquiring a second crash information including the second test case and the route information.
    Type: Application
    Filed: May 9, 2019
    Publication date: August 29, 2019
    Applicant: KOREA INTERNET & SECURITY AGENCY
    Inventors: Hwan Kuk KIM, Tae Eun KIM, Sang Hwan OH, Soo Jin YOON, Jee Soo JURN, Geon Bae NA
  • Patent number: 10339322
    Abstract: Provided are a binary vulnerability analysis method performed by a computing device is provided, and the binary vulnerability analysis method includes a primary execution step of recording a symbolic constraint of a vulnerability associated with an execution flow path causing a crash to a target binary to be analyzed and a suspicious element on the execution flow path by performing taint analysis through a primary execution of the target binary; and a secondary execution step of performing a secondary execution, which is a symbolic execution, on the execution flow path and, if an instruction satisfying the symbolic constraint is found, determining that the vulnerability exists in the target binary by comparing the suspicious element and the found instruction.
    Type: Grant
    Filed: July 16, 2018
    Date of Patent: July 2, 2019
    Assignee: KOREA INTERNET AND SECURITY AGENCY
    Inventors: Hwan Kuk Kim, Tae Eun Kim, Sang Hwan Oh, Soo Jin Yoon, Jee Soo Jurn, Geon Bae Na
  • Publication number: 20190147168
    Abstract: Provided are a binary vulnerability analysis method performed by a computing device is provided, and the binary vulnerability analysis method includes a primary execution step of recording a symbolic constraint of a vulnerability associated with an execution flow path causing a crash to a target binary to be analyzed and a suspicious element on the execution flow path by performing taint analysis through a primary execution of the target binary; and a secondary execution step of performing a secondary execution, which is a symbolic execution, on the execution flow path and, if an instruction satisfying the symbolic constraint is found, determining that the vulnerability exists in the target binary by comparing the suspicious element and the found instruction.
    Type: Application
    Filed: July 16, 2018
    Publication date: May 16, 2019
    Inventors: Hwan Kuk KIM, Tae Eun KIM, Sang Hwan OH, Soo Jin YOON, Jee Soo JURN, Geon Bae NA
  • Publication number: 20190114436
    Abstract: Provided are a method and a system capable of efficiently detecting security vulnerability of program. The system for detecting the security vulnerability according to an embodiment of the present invention includes a vulnerability detecting module that acquires crash information, a binary analysis module that determines priority of binary information and whether to execute the route detection, and a route detecting module that executes the route detection to generate a new test case.
    Type: Application
    Filed: November 20, 2017
    Publication date: April 18, 2019
    Applicant: KOREA INTERNET & SECURITY AGENCY
    Inventors: Hwan Kuk KIM, Tae Eun KIM, Sang Hwan OH, Soo Jin YOON, Jee Soo JURN, Geon Bae NA
  • Patent number: 9680848
    Abstract: Provided are an apparatus, a system and a method for detecting and preventing malicious scripts. The apparatus for detecting and preventing malicious scripts includes a signature management unit managing a first signature including code pattern information of previously-detected malicious scripts, a script analysis unit receiving the first signature from the signature management unit and analyzing a first script, which is included in a web page, using the first signature, and a script processing unit receiving analysis result data from the script analysis unit and processing the first script according to the analysis result data.
    Type: Grant
    Filed: January 23, 2015
    Date of Patent: June 13, 2017
    Assignee: Korea Internet & Security Agency
    Inventors: Hwan Kuk Kim, Jong Hun Jung, Han Chul Bae, Hyun Rok Choo, Woung Jang, Sang Hwan Oh, Soo Jin Yoon