Patents by Inventor Do Heung Na

Do Heung Na 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: 11735371
    Abstract: A multilayer ceramic capacitor includes a body including dielectric layers and first and second internal electrodes disposed with respective dielectric layers interposed therebetween to be point-symmetrical to each other, first and second connection electrodes penetrating through the body in a direction perpendicular to the dielectric layer, and connected to the first internal electrode, third and fourth connection electrodes penetrating through the body in the direction perpendicular to the dielectric layer, and connected to the second internal electrode, first and second external electrodes disposed on both external surfaces of the body and connected to the first and second connection electrodes, and third and fourth external electrodes spaced apart from the first and second external electrodes and connected to the third and fourth connection electrodes. Each of the first and second internal electrodes includes an electrode-unformed region.
    Type: Grant
    Filed: February 8, 2022
    Date of Patent: August 22, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Taek Jung Lee, Min Gon Lee, Jin Man Jung, Ji Hong Jo, Jin Kyung Joo, Do Heung Na
  • Publication number: 20220165504
    Abstract: A multilayer ceramic capacitor includes a body including dielectric layers and first and second internal electrodes disposed with respective dielectric layers interposed therebetween to be point-symmetrical to each other, first and second connection electrodes penetrating through the body in a direction perpendicular to the dielectric layer, and connected to the first internal electrode, third and fourth connection electrodes penetrating through the body in the direction perpendicular to the dielectric layer, and connected to the second internal electrode, first and second external electrodes disposed on both external surfaces of the body and connected to the first and second connection electrodes, and third and fourth external electrodes spaced apart from the first and second external electrodes and connected to the third and fourth connection electrodes. Each of the first and second internal electrodes includes an electrode-unformed region.
    Type: Application
    Filed: February 8, 2022
    Publication date: May 26, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Taek Jung Lee, Min Gon Lee, Jin Man Jung, Ji Hong Jo, Jin Kyung Joo, Do Heung Na
  • Patent number: 11282648
    Abstract: A multilayer ceramic capacitor includes a body including dielectric layers and first and second internal electrodes disposed with respective dielectric layers interposed therebetween to be point-symmetrical to each other, first and second connection electrodes penetrating through the body in a direction perpendicular to the dielectric layer, and connected to the first internal electrode, third and fourth connection electrodes penetrating through the body in the direction perpendicular to the dielectric layer, and connected to the second internal electrode, first and second external electrodes disposed on both external surfaces of the body and connected to the first and second connection electrodes, and third and fourth external electrodes spaced apart from the first and second external electrodes and connected to the third and fourth connection electrodes. Each of the first and second internal electrodes includes an electrode-unformed region.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: March 22, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Taek jung Lee, Min Gon Lee, Jin Man Jung, Ji Hong Jo, Jin Kyung Joo, Do Heung Na
  • Patent number: 11031184
    Abstract: A capacitor component includes: a body including first and second internal electrodes alternately disposed in a first direction; first and second connection electrodes extending in the first direction in the body, respectively connected to the first and second internal electrodes, and opposing each other in a second direction; and first and second external electrodes disposed on one surface of the body and respectively connected to the first and second connection electrodes and each include an extended pattern disposed at one end portion on the one surface in the second direction and extending in a third direction, and a connection pattern extending, in the second direction, from a region spaced apart from both ends of the extended pattern in the third direction and connected to one of the first and second connection electrodes in a region spaced apart from opposite ends of the extended pattern in the third direction.
    Type: Grant
    Filed: June 4, 2019
    Date of Patent: June 8, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Do Heung Na, Min Gon Lee, Jin Kyung Joo, Byeong Chan Kwon, Taek Jung Lee, Jin Man Jung, Jae Yeol Choi
  • Publication number: 20210005389
    Abstract: A multilayer ceramic capacitor includes a body including dielectric layers and first and second internal electrodes disposed with respective dielectric layers interposed therebetween to be point-symmetrical to each other, first and second connection electrodes penetrating through the body in a direction perpendicular to the dielectric layer, and connected to the first internal electrode, third and fourth connection electrodes penetrating through the body in the direction perpendicular to the dielectric layer, and connected to the second internal electrode, first and second external electrodes disposed on both external surfaces of the body and connected to the first and second connection electrodes, and third and fourth external electrodes spaced apart from the first and second external electrodes and connected to the third and fourth connection electrodes. Each of the first and second internal electrodes includes an electrode-unformed region.
    Type: Application
    Filed: March 4, 2020
    Publication date: January 7, 2021
    Inventors: Taek Jung Lee, Min Gon Lee, Jin Man Jung, Ji Hong Jo, Jin Kyung Joo, Do Heung Na
  • Patent number: 10650971
    Abstract: A capacitor component includes a body including first and second internal electrodes alternately disposed with respective dielectric layers interposed therebetween to be exposed to the third and fourth surfaces of the body, respectively; first and second conductive layers covering the third and fourth surfaces and connected to the first and second internal electrodes, respectively; first and second insulating layers covering the first and second conductive layers, respectively; first and second band portions spaced apart from each other on the second surface of the body; first and second external electrodes covering a portion of the first and second band portions and the first insulating layer, respectively; and third and fourth external electrodes covering a portion of the first and second insulating layers and a portion of the first surface of the body, respectively; and a method of manufacturing the same.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: May 12, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jin Man Jung, Jin Kyung Joo, Ik Hwan Chang, Byeong Chan Kwon, Ji Hyun Park, Do Heung Na, Jae Yeol Choi, Sung Hyun Cho
  • Publication number: 20200075249
    Abstract: A capacitor component includes: a body including first and second internal electrodes alternately disposed in a first direction; first and second connection electrodes extending in the first direction in the body, respectively connected to the first and second internal electrodes, and opposing each other in a second direction; and first and second external electrodes disposed on one surface of the body and respectively connected to the first and second connection electrodes and each include an extended pattern disposed at one end portion on the one surface in the second direction and extending in a third direction, and a connection pattern extending, in the second direction, from a region spaced apart from both ends of the extended pattern in the third direction and connected to one of the first and second connection electrodes in a region spaced apart from opposite ends of the extended pattern in the third direction.
    Type: Application
    Filed: June 4, 2019
    Publication date: March 5, 2020
    Inventors: Do Heung NA, Min Gon LEE, Jin Kyung JOO, Byeong Chan KWON, Taek Jung LEE, Jin Man JUNG, Jae Yeol CHOI
  • Publication number: 20190066923
    Abstract: A capacitor component includes a body including first and second internal electrodes alternately disposed with respective dielectric layers interposed therebetween to be exposed to the third and fourth surfaces of the body, respectively; first and second conductive layers covering the third and fourth surfaces and connected to the first and second internal electrodes, respectively; first and second insulating layers covering the first and second conductive layers, respectively; first and second band portions spaced apart from each other on the second surface of the body; first and second external electrodes covering a portion of the first and second band portions and the first insulating layer, respectively; and third and fourth external electrodes covering a portion of the first and second insulating layers and a portion of the first surface of the body, respectively; and a method of manufacturing the same.
    Type: Application
    Filed: April 23, 2018
    Publication date: February 28, 2019
    Inventors: Jin Man JUNG, Jin Kyung JOO, Ik Hwan CHANG, Byeong Chan KWON, Ji Hyun PARK, Do Heung NA, Jae Yeol CHOI, Sung Hyun CHO
  • Patent number: 7969752
    Abstract: In accordance with the present invention, the switching power supply device using a current sharing transformer includes an inverter switching unit for switching an input voltage; a set of share inductors connected to the inverter switching unit for distributing a current applied by the inverter switching unit; first and second transformers of which each primary side connected to the set of share inductors is connected in parallel to each other; and a rectifying unit connected to secondary sides of the first and second transformers.
    Type: Grant
    Filed: May 1, 2008
    Date of Patent: June 28, 2011
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Sang Cheol Bong, Tae Young Ahn, Don Sik Kim, Hak Ryong Kim, Myung Hyun Sung, Do Heung Na, Jong Pil Kim, Dong Joong Kim, Tae Won Heo, Dong Wook Lee
  • Publication number: 20090231884
    Abstract: In accordance with the present invention, the switching power supply device using a current sharing transformer includes an inverter switching unit for switching an input voltage; a share inductor for classification connected to the inverter switching unit for distributing a current applied by the inverter switching unit; first and second transformers of which each primary side connected to the share inductor for classification is connected in parallel to each other; and a rectifying unit connected to secondary sides of the first and second transformers.
    Type: Application
    Filed: May 1, 2008
    Publication date: September 17, 2009
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sang Cheol BONG, Tae Young Ahn, Don Sik Kim, Hak Ryong Kim, Myung Hyun Sung, Do Heung Na, Jong Pil Kim, Dong Joong Kim, Tae Won Heo, Dong Wook Lee