Patents by Inventor Chang-Hoon Kim

Chang-Hoon Kim 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: 11400851
    Abstract: Disclosed is a breather valve for controlling a pressure of a transfer channel of a valve assembly. The valve assembly controls charging and discharging of hydrogen in a hydrogen fuel cell-based vehicle. The breather valve includes a vent ring movably received in a distal portion of the transfer channel and having a ventilation hole communicating with a main portion of the transfer channel; and a vent valve received in the distal portion of the transfer channel and screw-coupled to the transfer channel to open or close the ventilation hole.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: August 2, 2022
    Assignee: UNICK CORPORATION
    Inventors: Chang-Hoon Lee, Eui-Dong Roh, Jung-Tae Kim, Ji-Yong Lee
  • Patent number: 11396712
    Abstract: Provided is a manufacturing method of a surface-treated Zn—Ni alloy electroplated steel sheet, the method comprising the steps of: preparing a Zn—Ni alloy electroplated steel sheet including a steel sheet and a Zn—Ni alloy-plated layer with an Ni content of 5-20 wt % (S1); preparing an alkaline electrolyte solution in which 4-250 g/L of potassium hydroxide (KOH) or sodium hydroxide (NaOH) or both combined are added in distilled water (S2); and inside the alkaline electrolyte solution, placing the Zn—Ni alloy electroplated steel sheet as an anode and installing another metal sheet as a cathode, and applying 2-10 V of an alternating or direct current to conductor electrochemical etching such that a 3-point average value of the arithmetic average roughness (Ra) of the surface of the Zn—Ni alloy electroplated steel sheet reaches 200-400 nm, thereby producing a surface-treated electroplated steel sheet (S3).
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: July 26, 2022
    Assignee: POSCO
    Inventors: Kang-Min Lee, Hye-Jin Yoo, Je-Hoon Baek, Chang-Se Byeon, Jung-Su Kim
  • Patent number: 11392972
    Abstract: Provided is an information providing method of an electronic apparatus, the method including identifying sales information of an item that is for sale through the network, identifying whether it is necessary to provide item sales management information based on the identified sales information of the item, and, when it is necessary to provide the item sales management information, providing the item sales management information generated based on the sales information of the item.
    Type: Grant
    Filed: September 2, 2020
    Date of Patent: July 19, 2022
    Assignee: Coupang Corp.
    Inventors: Do Hyeon Kim, Ji Hoon Kim, Chang Hyun Lee, Young Jin Kim, Suk Min Ahn
  • Publication number: 20220223772
    Abstract: A light emitting diode includes: a first semiconductor layer; an active layer located on one surface of the first semiconductor layer; a second semiconductor layer located on one surface of the active layer; an electrode layer located on one surface of the second semiconductor layer; and a bonding electrode layer located on the other surface of the first semiconductor layer.
    Type: Application
    Filed: August 24, 2021
    Publication date: July 14, 2022
    Inventors: Chang Hee LEE, Young Il KIM, Hyo Jin KO, Dong Hoon KWAK, Dong Uk KIM, Se Hun KIM, Ji Yoon KIM
  • Publication number: 20220212348
    Abstract: A smart drilling system includes a terminal configured to map a design space to an actual space and having perforation location information in the design space, a drilling machine including a drill for perforation and configured to perform perforation in the actual space under control of the terminal based on the perforation location information, and a total station configured to acquire location information of a reference point in the actual space for mapping the design space to the actual space and location information of the drilling machine in the actual space, and to transmit the location information of the reference point in the actual space and the location information of the drilling machine to the terminal, wherein the terminal recognizes and displays a perforable region or a perforable point at a current position of the drilling machine.
    Type: Application
    Filed: March 25, 2022
    Publication date: July 7, 2022
    Applicants: GeoSystem Inc., Buildingpointkorea Inc.
    Inventors: Dong Hun KANG, Jong Hyun OH, Ji Eun KIM, Chang Wook JOH, Young Hoon KOH
  • Publication number: 20220205016
    Abstract: The present invention relates to a molecular diagnostic method using a cell lysis composition for nucleic acid extraction, and particularly, to a molecular diagnostic method using a cell lysis composition for nucleic acid extraction, which may minimize the time for molecular diagnosis by performing a polymerase chain reaction on a mixture containing both Tween 20 as a component for nucleic acid extraction and a PCR buffer necessary for performing the polymerase chain reaction, without a separate nucleic acid extraction process, and reduce the cost of molecular diagnosis by minimizing the use of dedicated devices and consumables in extraction.
    Type: Application
    Filed: December 7, 2021
    Publication date: June 30, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Se Ryun Kim, Chang Ju Park, Jan Di Kim, So Hyun Park, Jae Hoon Oh
  • Publication number: 20220207475
    Abstract: According to various example embodiments, a data management method of an electronic device includes obtaining selection information on or regarding a first product, obtaining selection information on a second product corresponding to the first product based on the selection information on the first product, identifying purchase information about the first product and the second product, transmitting the purchase information about the first product to a first server related to delivery of the first product and transmitting the purchase information about the second product to a second server, and transmitting activation-related information of the second product to the second server in response to delivery status information of the first product, wherein the first product includes a physical product requiring delivery, and the second product includes an insurance product for the first product.
    Type: Application
    Filed: March 9, 2021
    Publication date: June 30, 2022
    Inventors: Ki Woong Jang, Deqian Li, Cui Jie, Yong Geon Kim, Nam Woong Cho, Tae Hoon Kim, Pil Woo Kim, Ming Zhang, Qingqing Bai, Sang Ryul Kim, Jeong Min Yun, Hae Yeon Lee, Prakash Kadel, Ku Kang, Chang Hyun Park, Hyun Bo Kang, Da Young Lee
  • Patent number: 11263469
    Abstract: A method for controlling an electronic device is provided. The method includes obtaining an image, detecting at least one object in a facial area from the image, and applying a virtual light source effect to the image based on an attribute of the detected object and displaying the image.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: March 1, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang-Hoon Kim, Ki-Huk Lee
  • Publication number: 20210328063
    Abstract: Provided is a memory device. The memory device includes: a substrate; a gate insulating film disposed on the substrate; a ferroelectric thin film disposed on the gate insulating film; a blocking film disposed on the ferroelectric thin film; and a gate pattern disposed on the blocking film, wherein the ferroelectric thin film includes a spacer having a fixed polarization regardless of an electric field that is applied from an outside, and a ferroelectric domain having a polarization controlled by the electric field that is applied from the outside, and a plurality of spacers and a plurality of ferroelectric domains are alternately and repeatedly provided in a direction parallel to a top surface of the substrate (in a b-lattice direction).
    Type: Application
    Filed: April 19, 2021
    Publication date: October 21, 2021
    Applicant: UNIST (Ulsan National Institute of Science and Technology)
    Inventors: Jun Hee Lee, Hyun Jae Lee, Chang Hoon Kim
  • Patent number: 11031185
    Abstract: An electronic component includes external electrodes formed on an external surface of a body to be electrically connected to internal electrodes, and containing metal particles and glass, wherein the metal particles include particles having a polyhedral shape.
    Type: Grant
    Filed: May 9, 2018
    Date of Patent: June 8, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jeong Ryeol Kim, Bum Suk Kang, Hyo Min Kang, Hang Kyu Cho, Chang Hoon Kim
  • Publication number: 20200350469
    Abstract: Disclosed herein are a light emitting diode package and a method of manufacturing the same. The light emitting diode package includes: a substrate, a light-emitting layer disposed on a surface of the substrate and including a first type semiconductor layer, an active layer, and a second type semiconductor layer, a first bump disposed on the first type semiconductor layer and a second bump disposed the second type semiconductor layer, a protective layer covering at least the light-emitting layer, and a first bump pad and a second bump pad disposed on the protective layer and connected to the first bump and the second bump, respectively.
    Type: Application
    Filed: July 21, 2020
    Publication date: November 5, 2020
    Inventors: Chi Hyun In, Jun Yong Park, Kyu Ho Lee, Dae Woong Suh, Jong Hyeon Chae, Chang Hoon Kim, Sung Hyun Lee
  • Patent number: 10770233
    Abstract: A multilayer ceramic capacitor includes a ceramic body including an active portion including dielectric layers and internal electrodes that are alternately stacked and a margin portion disposed on outer surfaces of the active portion; and external electrodes disposed on outer surfaces of the ceramic body. The margin portion includes an inner half adjacent to the active portion and an outer half adjacent to the edge of the ceramic body, and a porosity of the inner half is greater than a porosity of the outer half.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: September 8, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Min Hee Hong, Chul Seung Lee, Won Seh Lee, Doo Young Kim, Chang Hoon Kim, Jae Yeol Choi, Hyeun Tea Yoon
  • Patent number: 10727376
    Abstract: Disclosed herein are a light emitting diode package and a method of manufacturing the same. The light emitting diode package includes: a substrate, a light-emitting layer disposed on a surface of the substrate and including a first type semiconductor layer, an active layer, and a second type semiconductor layer, a first bump disposed on the first type semiconductor layer and a second bump disposed the second type semiconductor layer, a protective layer covering at least the light-emitting layer, and a first bump pad and a second bump pad disposed on the protective layer and connected to the first bump and the second bump, respectively.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: July 28, 2020
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Chi Hyun In, Jun Yong Park, Kyu Ho Lee, Dae Woong Suh, Jong Hyeon Chae, Chang Hoon Kim, Sung Hyun Lee
  • Publication number: 20200082201
    Abstract: A method for controlling an electronic device is provided. The method includes obtaining an image, detecting at least one object in a facial area from the image, and applying a virtual light source effect to the image based on an attribute of the detected object and displaying the image.
    Type: Application
    Filed: November 15, 2019
    Publication date: March 12, 2020
    Inventors: Chang-Hoon KIM, Ki-Huk LEE
  • Patent number: 10482346
    Abstract: A method for controlling an electronic device is provided. The method includes obtaining an image, detecting at least one object in a facial area from the image, and applying a virtual light source effect to the image based on an attribute of the detected object and displaying the image.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: November 19, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang-Hoon Kim, Ki-Huk Lee
  • Publication number: 20190304700
    Abstract: A multilayer ceramic capacitor includes a ceramic body including an active portion including dielectric layers and internal electrodes that are alternately stacked and a margin portion disposed on outer surfaces of the active portion; and external electrodes disposed on outer surfaces of the ceramic body. The margin portion includes an inner half adjacent to the active portion and an outer half adjacent to the edge of the ceramic body, and a porosity of the inner half is greater than a porosity of the outer half.
    Type: Application
    Filed: June 18, 2019
    Publication date: October 3, 2019
    Inventors: Min Hee HONG, Chul Seung LEE, Won Seh LEE, Doo Young KIM, Chang Hoon KIM, Jae Yeol CHOI, Hyeun Tea YOON
  • Patent number: 10410407
    Abstract: A device and method for applying a virtual lighting effect in an electronic device are provided. The electronic device includes a display, a memory configured to store a first normal map and a second normal map corresponding to a face, and a processor. The processor is configured to acquire a first image and detect a face region in the first image. Additionally, the processor is configured to determine a normal map corresponding to at least a partial region of the face region based on the first normal map and the second normal map; and display a second image, based on the determined normal map, on the display. The second image includes the first image after a virtual lighting effect is applied thereto.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: September 10, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang Hoon Kim, Amit Kumar, Pradeep Choudhary, Sumedh Mannar
  • Patent number: 10373762
    Abstract: A multilayer ceramic capacitor includes a ceramic body including an active portion including dielectric layers and internal electrodes that are alternately stacked and a margin portion disposed on outer surfaces of the active portion; and external electrodes disposed on outer surfaces of the ceramic body. The margin portion includes an inner half adjacent to the active portion and an outer half adjacent to the edge of the ceramic body, and a porosity of the inner half is greater than a porosity of the outer half.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: August 6, 2019
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Min Hee Hong, Chul Seung Lee, Won Seh Lee, Doo Young Kim, Chang Hoon Kim, Jae Yeol Choi, Hyeun Tea Yoon
  • Patent number: 10305018
    Abstract: A manufacturing method of an electronic component includes forming a body including first and second internal electrodes respectively exposed from first and second end surfaces of the body and dielectric layers disposed between the first and second internal electrodes; applying, on the first and second end surfaces of the body, a paste containing a metal powder and first glass; and sintering the body and the paste to convert the paste to first and second external electrodes including crystalline metal particles having a polyhedral shape and second glass and respectively connected to the first internal electrodes and the second internal electrodes
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: May 28, 2019
    Assignee: SAMSUNG ELECTRO-MECHANICS CO, LTD.
    Inventors: Jeong Ryeol Kim, Bum Suk Kang, Hyo Min Kang, Hang Kyu Cho, Chang Hoon Kim
  • Patent number: 10304998
    Abstract: A light emitting diode (LED) chip can include: a first pattern region having one or more curved parts; and a second pattern region at least partially surrounding the first pattern region. The first pattern region can include a first conductive type nitride-based semiconductor layer, an active layer, a second conductive type nitride-based semiconductor layer, a top electrode layer, and a top bump layer stacked over a substrate, the second pattern region can include a first conductive type nitride-based semiconductor layer, a bottom electrode layer, and a bottom bump layer stacked over the substrate, and the first pattern region can include one or more protrusion patterns formed in the one or more curved part.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: May 28, 2019
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Chang Hoon Kim, Sang Min Kim, Chi Hyun In, Hong Suk Cho, Dae Seok Park