Patents by Inventor Sang-Chul An

Sang-Chul An 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: 20230331071
    Abstract: A vehicle air-conditioning apparatus includes a filter case configured to accommodate a filter, and a filter cover configured to couple to an open upper end of the filter case. The filter case defines an inner space configured to accommodate the filter therein and having the open upper end to receive and discharge the filter therethrough. The inner space is inclined with respect to a vertical direction to allow the filter to be received into and discharged from the filter case in an inclined state. The filter cover includes a fixing protrusion protruding from a lower surface of the filter cover facing the inner space of the filter case and being configured to press and fix the filter in the inner space.
    Type: Application
    Filed: November 1, 2022
    Publication date: October 19, 2023
    Inventors: Jae Sik CHOI, Byeong Moo JANG, Young Tae SONG, Sung Been CHEON, Jin Uk KIM, Jong Su KIM, In Keun KANG, Sang Chul BYUN
  • Patent number: 11788746
    Abstract: A fluid treatment device includes a photocatalytic filter for deodorizing and sterilizing a fluid; a frame for fixing the photocatalytic filter; and a light source unit coupled to the frame. The light source unit includes a light source support member and a light emitting diode, which is provided on the light source support member so as to emit light at the photocatalytic filter. The frame and the light source support member are coupled in a form that separates the photocatalytic filter from the light emitting diode.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: October 17, 2023
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Jae Hak Jeong, Ji Won Kim, Sang Chul Shin, Woong Ki Jeong
  • Publication number: 20230325019
    Abstract: A touch sensor includes a first electrode, a second electrode, and a sensing channel. The first electrode includes first electrode cells arranged in a first direction, a first connection portion connecting the first electrode cells in the first direction and a first opening disposed in at least one of the first electrode cells. The second electrode includes an electrode portion disposed in the first opening. The electrode portion is disposed on a same layer as the first electrode cells and separated from the first electrode. The sensing channel includes a first terminal and a second terminal. The first terminal is connected to the first electrode. The second terminal is connected to the second electrode.
    Type: Application
    Filed: June 13, 2023
    Publication date: October 12, 2023
    Inventors: Do Ik Kim, Ga Young Kim, Sang Hyun Lim, Young Sik Kim, Sang Chul Lee, Hwan Hee Jeong
  • Patent number: 11771753
    Abstract: The present invention provides a vaccine composition for use in neurodegenerative diseases and an infectious virus vaccine composition for inducing an antibody recognizing the conformation of antigens. The vaccine composition of the present invention induces the production of an antibody recognizing the conformation of antigens. The antibody recognizing the conformation of antigens has high specificity for an antigen, and thus can be useful for ameliorating, preventing or treating diseases.
    Type: Grant
    Filed: December 9, 2020
    Date of Patent: October 3, 2023
    Inventors: Joon Haeng Rhee, Shee Eun Lee, Kwangjoon Jeong, Sang Chul Park, Wenzhi Tan
  • Patent number: 11775123
    Abstract: A touch sensor includes a sensor unit including a plurality of first electrodes in an active area spaced apart from each other, and at least one second electrode, a plurality of sensing channels respectively coupled to one of the first electrodes, and each sensing channel including a reference node having a variable voltage coupled to the at least one second electrode, and a processor configured to receive output signals from the sensing channels, and detect a touch input based on the output signals. The plurality of sensing channels may be configured to supply driving signals to respective first electrodes during a first period, receive sensing signals from respective first electrodes during a second period, and generate the output signals corresponding to the sensing signals received from respective first electrodes based on potentials of the respective reference nodes. A method of driving a touch sensor also is disclosed.
    Type: Grant
    Filed: April 4, 2022
    Date of Patent: October 3, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Do Ik Kim, Ga Young Kim, Young Sik Kim, Sang Chul Lee
  • Patent number: 11773109
    Abstract: The present invention relates to various compounds capable of temporarily hardening soft tissue for surgical suturing of the soft tissue. The compounds according to the present invention can temporarily increase the hardness or tension of soft tissue, thereby improving the suturing efficiency during suturing of the soft tissue, thereby preventing aftereffects or the like from occurring due to insufficient anastomosis. In addition, the compounds according to the present invention can temporarily increase the hardness or tension of soft tissue, particularly pancreas, thereby increasing the suturing efficiency during pancreaticoduodenectomy and effectively preventing pancreatic leakage.
    Type: Grant
    Filed: July 9, 2020
    Date of Patent: October 3, 2023
    Inventors: Sang Chul Lee, Say June Kim, Kwan Young Jeong, Ok Hee Kim, Seok Jun Jo, Min Jin Yoo
  • Patent number: 11768571
    Abstract: The touch sensor includes first touch electrode members disposed on a base layer and located in a sensing area, each of the first touch electrode members including a plurality of first touch electrodes arranged along a first direction, each of the first touch electrodes including a first opening; second touch electrode members disposed on the base layer and located in a sensing area, each of the second touch electrode members including a plurality of second touch electrodes arranged along a second direction, each of the second touch electrodes including a second opening; and a first pressure sensor disposed on the base layer and including a first strain gauge. A portion of the first strain gauge is located in the second sensing area, and the first strain gauge includes a portion located in the second sensing area and disposed in the same layer as the plurality of first touch electrodes and the plurality of second touch electrodes.
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: September 26, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jang Hui Kim, Ga Young Kim, Do Ik Kim, Sang Chul Lee, A Ra Jo
  • Patent number: 11763193
    Abstract: Computerized systems and methods are disclosed for performing contextual classification of objects using supervised and unsupervised training. In accordance with one implementation, content reviewers may review training objects and submit supervised training data for preprocessing and analysis. The supervised training data may be preprocessed to identify key terms and phrases, such as by stemming, tokenization, or n-gram analysis, and form vectorized objects. The vectorized objects may be used to train one or more models for subsequent classification of objects. In certain implementations, preprocessing or training, among other steps, may be performed in parallel over multiple machines to improve efficiency. The disclosed systems and methods may be used in a wide variety of applications, such as article classification and content moderation.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: September 19, 2023
    Assignee: Yahoo Assets LLC
    Inventors: Thu Rein Kyaw, Sang Chul Song, Vineet Mahajan, Elena Haliczer
  • Patent number: 11753063
    Abstract: According to the present embodiments, a telescopic stroke is increased while an installation space of a steering column is easily secured, and a telescopic operation can be quickly performed without increasing a motor output. During the telescopic operation, noise may be reduced, and assemblability and mass productivity of the steering column may be improved.
    Type: Grant
    Filed: February 24, 2021
    Date of Patent: September 12, 2023
    Assignee: HL MANDO CORPORATION
    Inventors: Sang Chul Ku, Kwon Ho Lee, Sung Hun Park
  • Publication number: 20230281792
    Abstract: Disclosed is an operating method of an electronic device which includes a processor executing a semiconductor layout simulation module based on machine learning. The operating method includes receiving, at the semiconductor layout simulation module executed by the processor, a layout image, inferring a wafer image based on the layout image and a fabrication device information image of a semiconductor fabrication device fabricating a semiconductor integrated circuit based on a final layout image, adjusting the layout image when the wafer image is not acceptable, and confirming the layout image as the final layout image when the wafer image is acceptable.
    Type: Application
    Filed: November 30, 2022
    Publication date: September 7, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sooryong LEE, Jaewon YANG, Kyoung Cho NA, Jihong KIM, Sang Chul YEO, Hyeok LEE
  • Publication number: 20230266838
    Abstract: A display device includes a display region and a sensing region overlapping with each other, a plurality of pixels in the display region, a plurality of first electrodes arranged in a first direction in the sensing region, a plurality of second electrodes arranged in a second direction in the sensing region, and a driving circuit including a display driver for driving the pixels corresponding to image data, and a touch driver for sensing a touch input using a sensing signal input from each of the first electrodes, and configured to supply a noise compensation signal corresponding to the image data to the second electrodes during a period in which the pixels are driven.
    Type: Application
    Filed: April 28, 2023
    Publication date: August 24, 2023
    Inventors: Jung Hak KIM, Do Ik KIM, Ga Young KIM, Young Sik KIM, Sang Chul LEE
  • Publication number: 20230256868
    Abstract: The present disclosure relates to a battery assisting apparatus and method for a fuel cell vehicle. An exemplary embodiment of the present disclosure provides a battery assisting apparatus for a fuel cell vehicle, including: a controller configured to determine an increase or decrease of driver's determination to accelerate based on a change rate of motor torque and a change rate of accelerator opening when a battery assistance mode is entered, and to release the battery assistance mode when the driver's determination to accelerate is decreased; and a storage configured to store data and algorithms driven by the controller.
    Type: Application
    Filed: October 21, 2022
    Publication date: August 17, 2023
    Inventors: Sang Chul Yeom, Seung Yoon Lee, Hyo Jun Kim, Jae Hwan Choi, Jong Seok Han, Jeong Kyu Park, Jae Hoon Jeong
  • Publication number: 20230247120
    Abstract: The invention relates to a method includes selecting a plurality of call-related icons on a first display in a folded state and switching the mobile phone to an open state, a screen of the second display is divided according to the number of call-related icons selected by the user, and each application corresponding to the selected call-related icon is displayed on the divided second display.
    Type: Application
    Filed: March 17, 2023
    Publication date: August 3, 2023
    Inventor: Sang Chul KWON
  • Patent number: 11714503
    Abstract: A touch sensor includes a first electrode, a second electrode, and a sensing channel. The first electrode includes first electrode cells arranged in a first direction, a first connection portion connecting the first electrode cells in the first direction and a first opening disposed in at least one of the first electrode cells. The second electrode includes an electrode portion disposed in the first opening. The electrode portion is disposed on a same layer as the first electrode cells and separated from the first electrode. The sensing channel includes a first terminal and a second terminal. The first terminal is connected to the first electrode. The second terminal is connected to the second electrode.
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: August 1, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Do Ik Kim, Ga Young Kim, Sang Hyun Lim, Young Sik Kim, Sang Chul Lee, Hwan Hee Jeong
  • Patent number: 11697620
    Abstract: The present invention relates to a method for preparing a SiC—Si3N4 composite material and a SiC—Si3N4 composite material prepared according to same and comprises the steps of: preparing a mold; and forming a SiC—Si3N4 composite material by introducing, to the mold, a source gas comprising Si, N and C, at 1100 to 1600° C. More particularly, the present invention provides the SiC—Si3N4 composite material of high purity that is applicable to a semiconductor process, and increases the thermal shock strength of a SiC material by causing Si3N4, which is a material with a high thermal shock strength, to grow together via a CVD method.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: July 11, 2023
    Assignee: TOKAI CARBON KOREA CO., LTD
    Inventor: Sang Chul Lee
  • Patent number: 11676372
    Abstract: The present disclosure relates to an object detection and classification system with higher accuracy and resolution in a less computer memory environment. The system comprises an input value generation unit to receive an input image and generate an input value including feature information; a memory value generation unit to receive a reference image and generate a memory value including feature information; a memory management unit to select information having high importance from the memory values and store in a computer memory; an aggregated value generation unit to compute similarity between the input value and the memory value, calculate a weighted sum to generate an integrated value, and aggregate the integrated value and the input value; and an object detection unit to detect or classify the object from the input image using the aggregated value.
    Type: Grant
    Filed: March 19, 2021
    Date of Patent: June 13, 2023
    Assignee: Korea Institute of Science and Technology
    Inventors: Sang Chul Ahn, Junseok Kang
  • Publication number: 20230170506
    Abstract: A system and method for controlling power for a fuel cell are disclosed. The system includes: a fuel cell; a load device electrically connected to the fuel cell; a stack controller configured to set a stack limit current on the basis of a current output current of the fuel cell, the stack limit current configured to limit an output current of the fuel cell on the basis of an output voltage of the fuel cell; and a load controller configured to set a consumption limit current on the basis of the set stack limit current, the consumption limit current configured to limit a consumption current of the load device, the load controller being configured to control the consumption current of the load device to a value equal to or lower than the set consumption limit current.
    Type: Application
    Filed: August 17, 2022
    Publication date: June 1, 2023
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Seong Cheol JEONG, Hyo Jin PARK, Dae Jong KIM, Sang Chul YEOM
  • Publication number: 20230170167
    Abstract: An arc extinguishing unit and an air circuit breaker comprising same are disclosed. The arc extinguishing unit according to an embodiment of the present disclosure comprises an arc extinguishing magnet located above a grid. The arc extinguishing magnet forms a magnetic field in the arc extinguishing part and in a fixed contact and a movable contact that are located adjacent to the arc extinguishing part. An arc generated as the fixed contact and the movable contact are separated from each other receives an electromagnetic force in the formed magnetic field. The electromagnetic force passes through the grid and is formed in a direction facing the exterior of the arc extinguishing part. Thus, the generated arc may be quickly extinguished and moved.
    Type: Application
    Filed: March 3, 2021
    Publication date: June 1, 2023
    Inventor: Sang Chul LEE
  • Patent number: 11658060
    Abstract: Described herein are an SiC material and a method for manufacturing same. The SiC material includes an SiC layer having a low thermal conductivity region formed in at least a portion thereof, wherein the low thermal conductivity region has an average crystal grain size of 3.5 ?m or less and (111) plane preferential growth according to X-ray diffraction analysis.
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: May 23, 2023
    Assignee: TOKAI CARBON KOREA CO., LTD
    Inventor: Sang Chul Lee
  • Patent number: 11654386
    Abstract: An electrostatic precipitating apparatus for an air conditioning system is disclosed. The precipitating apparatus includes an electrostatic precipitator including a plurality of discharge electrodes to which a voltage is applied and a plurality of electrostatic precipitating electrodes each disposed between the discharge electrodes and grounded, a washing water supply spraying the washing water to the electrostatic precipitator, and a frame assembly fixed to the duct to support the electrostatic precipitator. The frame assembly is fixed to the duct to support the electrostatic precipitator, and includes a prestressing locking member fixed to inside of the duct in a state in which a pressing force is applied to the electrostatic precipitator.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: May 23, 2023
    Assignee: DOOSAN ENERBILITY CO., LTD.
    Inventors: Jin Woon Lee, Sang Rin Lee, Jae Dong Hwang, Sang Chul Moon