Patents by Inventor Hang Kyu CHO

Hang Kyu CHO 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: 11948752
    Abstract: A ceramic electronic component includes a body including a dielectric layer and an internal electrode, and an external electrode disposed on the body and connected to the internal electrode. The dielectric layer includes a plurality of dielectric grains, and at least one of the plurality of dielectric grains has a core-dual shell structure having a core and a dual shell. The dual shell includes a first shell surrounding at least a portion of the core, and a second shell surrounding at least a portion of the first shell, and a concentration of a rare earth element included in the second shell is more than 1.3 times to less than 3.8 times a concentration of a rare earth element included in the first shell.
    Type: Grant
    Filed: December 21, 2022
    Date of Patent: April 2, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sung Hyung Kang, Jong Hyun Cho, Ji Hong Jo, Hang Kyu Cho, Jae Shik Shim, Yong In Kim, Sang Roc Lee
  • Patent number: 11826927
    Abstract: Disclosed is a recycling apparatus for a cross-linked polyethylene resin using a twin screw extruder. The recycling apparatus for a cross-linked polyethylene resin using a twin screw extruder according to an embodiment of the present disclosure includes: a raw material supply unit configured to supply a raw material that is a cross-linked polyethylene resin; and a twin screw extruder configured to receive the raw material from the raw material supply unit, the twin screw extruder including a cylinder and a twin screw installed inside the cylinder to rotate in the same direction, the twin screw extruder being configured to de-crosslink and recycle the raw material under a de-crosslinking reaction temperature and reaction pressure atmosphere while continuously transporting the raw material along the twin screw by the rotation of the twin screw.
    Type: Grant
    Filed: October 14, 2021
    Date of Patent: November 28, 2023
    Assignee: Korea Institute of Science and Technology
    Inventors: Soon Man Hong, Hang Kyu Cho, Seung Sang Hwang, Chong Min Koo, Seon Joon Kim, Albert Lee, Hwan Gyu Lee, Junpyo Hong
  • Publication number: 20230129225
    Abstract: A ceramic electronic component includes a body including a dielectric layer and an internal electrode, and an external electrode disposed on the body and connected to the internal electrode. The dielectric layer includes a plurality of dielectric grains, and at least one of the plurality of dielectric grains has a core-dual shell structure having a core and a dual shell. The dual shell includes a first shell surrounding at least a portion of the core, and a second shell surrounding at least a portion of the first shell, and a concentration of a rare earth element included in the second shell is more than 1.3 times to less than 3.8 times a concentration of a rare earth element included in the first shell.
    Type: Application
    Filed: December 21, 2022
    Publication date: April 27, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sung Hyung Kang, Jong Hyun Cho, Ji Hong Jo, Hang Kyu Cho, Jae Shik Shim, Yong In Kim, Sang Roc Lee
  • Patent number: 11569037
    Abstract: A ceramic electronic component includes a body including a dielectric layer and an internal electrode, and an external electrode disposed on the body and connected to the internal electrode. The dielectric layer includes a plurality of dielectric grains, and at least one of the plurality of dielectric grains has a core-dual shell structure having a core and a dual shell. The dual shell includes a first shell surrounding at least a portion of the core, and a second shell surrounding at least a portion of the first shell, and a concentration of a rare earth element included in the second shell is more than 1.3 times to less than 3.8 times a concentration of a rare earth element included in the first shell.
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: January 31, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sung Hyung Kang, Jong Hyun Cho, Ji Hong Jo, Hang Kyu Cho, Jae Shik Shim, Yong In Kim, Sang Roc Lee
  • Publication number: 20220339820
    Abstract: Disclosed is a recycling apparatus for a cross-linked polyethylene resin using a twin screw extruder. The recycling apparatus for a cross-linked polyethylene resin using a twin screw extruder according to an embodiment of the present disclosure includes: a raw material supply unit configured to supply a raw material that is a cross-linked polyethylene resin; and a twin screw extruder configured to receive the raw material from the raw material supply unit, the twin screw extruder including a cylinder and a twin screw installed inside the cylinder to rotate in the same direction, the twin screw extruder being configured to de-crosslink and recycle the raw material under a de-crosslinking reaction temperature and reaction pressure atmosphere while continuously transporting the raw material along the twin screw by the rotation of the twin screw.
    Type: Application
    Filed: October 14, 2021
    Publication date: October 27, 2022
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Soon Man HONG, Hang Kyu CHO, Seung Sang HWANG, Chong Min KOO, Seon Joon KIM, Albert LEE, Hwan Gyu LEE, Junpyo HONG
  • Patent number: 11393629
    Abstract: A multilayer ceramic electronic component includes a ceramic body including a dielectric and an internal electrode, an electrode layer electrically connected to the internal electrode, and a conductive resin layer disposed on the electrode layer and including a conductive metal, a graphene platelet, and a base resin.
    Type: Grant
    Filed: January 14, 2021
    Date of Patent: July 19, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Won Kuen Oh, Tae Gyeom Lee, Hang Kyu Cho, Hye Hun Park, Han Seong Jung
  • Publication number: 20210210288
    Abstract: A ceramic electronic component includes a body including a dielectric layer and an internal electrode, and an external electrode disposed on the body and connected to the internal electrode. The dielectric layer includes a plurality of dielectric grains, and at least one of the plurality of dielectric grains has a core-dual shell structure having a core and a dual shell. The dual shell includes a first shell surrounding at least a portion of the core, and a second shell surrounding at least a portion of the first shell, and a concentration of a rare earth element included in the second shell is more than 1.3 times to less than 3.8 times a concentration of a rare earth element included in the first shell.
    Type: Application
    Filed: April 24, 2020
    Publication date: July 8, 2021
    Inventors: Sung Hyung Kang, Jong Hyun Cho, Ji Hong Jo, Hang Kyu Cho, Jae Shik Shim, Yong In Kim, Sang Roc Lee
  • 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: 20210166879
    Abstract: A multilayer ceramic electronic component includes a ceramic body including a dielectric and an internal electrode, an electrode layer electrically connected to the internal electrode, and a conductive resin layer disposed on the electrode layer and including a conductive metal, a graphene platelet, and a base resin.
    Type: Application
    Filed: January 14, 2021
    Publication date: June 3, 2021
    Inventors: Won Kuen OH, Tae Gyeom LEE, Hang Kyu CHO, Hye Hun PARK, Han Seong JUNG
  • Patent number: 10923283
    Abstract: A multilayer ceramic electronic component includes a ceramic body including a dielectric and an internal electrode, an electrode layer eletrically connected to the internal electrode, and a conductive resin layer disposed on the electrode layer and including a conductive metal, a graphene platelet, and a base resin.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: February 16, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Won Kuen Oh, Tae Gyeom Lee, Hang Kyu Cho, Hye Hun Park, Han Seong Jung
  • Patent number: 10770229
    Abstract: A dielectric composition contains: a base material powder containing BamTiO3 (0.995?m?1.010); a first accessory ingredient containing at least one element corresponding to a transition metal in Group 5 of the periodic table in a total content of 0.3 to 1.2 moles; a second accessory ingredient containing one of ions, oxides, carbides, and hydrates of Si in a content of 0.6 to 4.5 moles; a third accessory ingredient containing at least one element in Period 4 or higher; and a fourth accessory ingredient containing at least one element in Period 3, wherein 0.70×B?C+D?1.50×B and 0.20?D/(C+D)?0.80, in which B is a total content of the second accessory ingredient, C is a total content of the third accessory ingredient, and D is a total content of the fourth accessory ingredient.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: September 8, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sung Hyung Kang, Hyung Kyu Kim, Jong Hyun Cho, Du Won Choi, Yong Koo Kim, Hang Kyu Cho
  • Patent number: 10748708
    Abstract: A multilayer ceramic capacitor includes a body, and first and second external electrodes respectively disposed on opposing surfaces of the body in a longitudinal direction.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: August 18, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jeong Bong Park, Se Hwan Bong, Mi Ok Park, Kyeong Jun Kim, Hang Kyu Cho
  • Patent number: 10580582
    Abstract: A multilayer electronic component includes a multilayer capacitor including a pair of external electrodes respectively formed on both ends opposing each other, and a pair of frame terminals having coupling holes allowing the external electrodes of the multilayer capacitor to be inserted, and separating the multilayer capacitor from a mounting surface, wherein band portions of the external electrodes are bonded to inner surfaces of the coupling holes.
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: March 3, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyeong Jun Kim, Se Hwan Bong, Mi Ok Park, Jeong Bong Park, Hang Kyu Cho
  • Publication number: 20190304686
    Abstract: A dielectric composition contains: a base material powder containing BamTiO3 (0.995?m?1.010); a first accessory ingredient containing at least one element corresponding to a transition metal in Group 5 of the periodic table in a total content of 0.3 to 1.2 moles; a second accessory ingredient containing one of ions, oxides, carbides, and hydrates of Si in a content of 0.6 to 4.5 moles; a third accessory ingredient containing at least one element in Period 4 or higher; and a fourth accessory ingredient containing at least one element in Period 3, wherein 0.70×B?C+D?1.50×B and 0.20?D/(C+D)?0.80, in which B is a total content of the second accessory ingredient, C is a total content of the third accessory ingredient, and D is a total content of the fourth accessory ingredient.
    Type: Application
    Filed: August 28, 2018
    Publication date: October 3, 2019
    Inventors: Sung Hyung KANG, Hyung Kyu KIM, Jong Hyun CHO, Du Won CHOI, Yong Koo KIM, Hang Kyu CHO
  • Publication number: 20190272955
    Abstract: A multilayer ceramic electronic component includes a ceramic body including a dielectric and an internal electrode, an electrode layer eletrically connected to the internal electrode, and a conductive resin layer disposed on the electrode layer and including a conductive metal, a graphene platelet, and a base resin.
    Type: Application
    Filed: October 29, 2018
    Publication date: September 5, 2019
    Inventors: Won Kuen OH, Tae Gyeom LEE, Hang Kyu CHO, Hye Hun PARK, Han Seong JUNG
  • Publication number: 20190189351
    Abstract: A multilayer electronic component includes a multilayer capacitor including a pair of external electrodes respectively formed on both ends opposing each other, and a pair of frame terminals having coupling holes allowing the external electrodes of the multilayer capacitor to be inserted, and separating the multilayer capacitor from a mounting surface, wherein band portions of the external electrodes are bonded to inner surfaces of the coupling holes.
    Type: Application
    Filed: May 8, 2018
    Publication date: June 20, 2019
    Inventors: Kyeong Jun KIM, Se Hwan BONG, Mi Ok PARK, Jeong Bong PARK, Hang Kyu CHO
  • 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
  • Publication number: 20190157004
    Abstract: A multilayer ceramic capacitor includes a body, and first and second external electrodes respectively disposed on opposing surfaces of the body in a longitudinal direction.
    Type: Application
    Filed: June 8, 2018
    Publication date: May 23, 2019
    Inventors: Jeong Bong PARK, Se Hwan BONG, Mi Ok PARK, Kyeong Jun KIM, Hang Kyu CHO
  • Publication number: 20180261754
    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: Application
    Filed: May 9, 2018
    Publication date: September 13, 2018
    Inventors: Jeong Ryeol KIM, Bum Suk KANG, Hyo Min KANG, Hang Kyu CHO, Chang Hoon KIM
  • Publication number: 20170244023
    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: Application
    Filed: October 12, 2016
    Publication date: August 24, 2017
    Inventors: Jeong Ryeol KIM, Bum Suk KANG, Hyo Min KANG, Hang Kyu CHO, Chang Hoon KIM