Patents by Inventor Chang Ho Seo

Chang Ho Seo 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: 11965609
    Abstract: The present disclosure relates to an air supply valve having a backflow prevention function and a valve module, for preventing backflow of air or gas through an outlet. The air supply valve includes a housing that includes a motor mounted therein and in which a supply flow path and an outlet of air are formed, a driver including a gear part for transmitting driving force of the motor and a converter for converting rotation of the gear part to linear motion, and a valve module that is coupled to an end of the converter and is opened while being spaced apart from the outlet of the housing to be connected to the supply flow path or is closed while being in contact with the outlet.
    Type: Grant
    Filed: July 1, 2022
    Date of Patent: April 23, 2024
    Assignee: KAMTEC INC.
    Inventors: Chang Ho Seo, Seung Yong Kim, Jung Suek Koo
  • Patent number: 11915782
    Abstract: An electronic device including a memory device with improved reliability is provided. The semiconductor device comprises a data pin configured to transmit a data signal, a command/address pin configured to transmit a command and an address, a command/address receiver connected to the command/address pin, and a computing unit connected to the command/address receiver, wherein the command/address receiver receives a first command and a first address from the outside through the command/address pin and generates a first instruction on the basis of the first command and the first address, and the computing unit receives the first instruction and performs computation based on the first instruction.
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: February 27, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Min Lee, Nam Hyung Kim, Dae Jeong Kim, Do Han Kim, Min Su Kim, Deok Ho Seo, Won Jae Shin, Yong Jun Yu, Il Gyu Jung, In Su Choi
  • Publication number: 20240029954
    Abstract: A multilayer electronic component and a method of manufacturing the same are disclosed. The multilayer electronic component includes: a body including dielectric layers and internal electrodes alternately stacked with respective dielectric layers interposed therebetween; and external electrodes disposed on the body and connected to the internal electrodes, wherein at least one of the internal electrodes contains a metal oxide at one of end portions thereof.
    Type: Application
    Filed: June 15, 2023
    Publication date: January 25, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Chang Ho SEO
  • Publication number: 20230207221
    Abstract: A method of manufacturing a multilayer electronic component includes forming a ceramic laminate in which a plurality of ceramic green sheets and a plurality of internal electrode patterns are stacked in a first direction; cutting the ceramic laminate into individual multilayer chips, by irradiating a laser onto one surface of the ceramic laminate and irradiating a laser onto the other surface opposing the one surface of the ceramic laminate in the first direction; firing one of the multilayer chips so as to form a ceramic body including an internal electrode and a dielectric layer; and forming external electrodes on a first side and a second side of the ceramic body.
    Type: Application
    Filed: December 12, 2022
    Publication date: June 29, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Chang Ho SEO, Sung Kwon AN
  • Publication number: 20230209727
    Abstract: A method for manufacturing a ceramic electronic component includes: forming a ceramic laminate by stacking ceramic green sheets on which internal electrode patterns are formed; obtaining an image of an upper portion of the ceramic laminate; determining cutting regions based on the image; and cutting the ceramic laminate by irradiating the cutting regions with a laser.
    Type: Application
    Filed: May 3, 2022
    Publication date: June 29, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Chang Ho SEO, Sung Kwon AN
  • Patent number: 11557438
    Abstract: A multilayer capacitor includes a body including a multilayer structure in which a plurality of dielectric layers are stacked, and further including a plurality of internal electrodes having a dielectric layer interposed therebetween and external electrodes disposed on external surfaces of the body and connected to the internal electrodes. The body further includes an active portion in which the plurality of internal electrodes are located to form capacitance and a side margin portion covering a first surface and a second surface of the active portion opposing each other. An average grain size of a dielectric layer included in the active portion is different from an average grain size of a dielectric layer included in the margin portion. The side margin portion includes an extending portion extending between the external electrodes and the internal electrodes to cover a portion of the internal electrodes.
    Type: Grant
    Filed: April 5, 2021
    Date of Patent: January 17, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jong Ho Lee, Chang Ho Seo, Eun Jung Lee, Myung Chan Son, Jung Tae Park, Chang Soo Park, Min Woo Kim
  • Publication number: 20230010189
    Abstract: The present disclosure relates to an air supply valve having a backflow prevention function and a valve module, for preventing backflow of air or gas through an outlet. The air supply valve includes a housing that includes a motor mounted therein and in which a supply flow path and an outlet of air are formed, a driver including a gear part for transmitting driving force of the motor and a converter for converting rotation of the gear part to linear motion, and a valve module that is coupled to an end of the converter and is opened while being spaced apart from the outlet of the housing to be connected to the supply flow path or is closed while being in contact with the outlet.
    Type: Application
    Filed: July 1, 2022
    Publication date: January 12, 2023
    Applicant: KAMTEC INC.
    Inventors: Chang Ho SEO, Seung Yong KIM, Jung Suek KOO
  • Publication number: 20220367117
    Abstract: A method for manufacturing a multilayer electronic component includes: preparing first ceramic green sheets on which first internal electrode patterns are formed spaced apart from each other and second ceramic green sheets on which second internal electrode patterns are formed spaced apart from each other; forming a ceramic green sheet stack by stacking the first ceramic green sheets and the second ceramic green sheets for the first internal electrode patterns and the second internal electrode patterns to be cross-stacked on each other; obtaining a multilayer body by cutting the ceramic green sheet stack to have a side surface to which distal edges of the first and second internal electrode patterns are exposed; adhering an adhesive layer to the side surface to which the distal edges of the first and second internal electrode patterns of the multilayer body are exposed; and peeling the adhesive layer from the side surface.
    Type: Application
    Filed: January 14, 2022
    Publication date: November 17, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jong Ho Lee, Myung Chan Son, Eun Jung Lee, Jung Tae Park, Min Woo Kim, Chang Ho Seo, Sung Soo Choi, Sun Mi Kim
  • Publication number: 20220130612
    Abstract: A multilayer capacitor includes a body including a multilayer structure in which a plurality of dielectric layers are stacked, and further including a plurality of internal electrodes having a dielectric layer interposed therebetween and external electrodes disposed on external surfaces of the body and connected to the internal electrodes. The body further includes an active portion in which the plurality of internal electrodes are located to form capacitance and a side margin portion covering a first surface and a second surface of the active portion opposing each other. An average grain size of a dielectric layer included in the active portion is different from an average grain size of a dielectric layer included in the margin portion. The side margin portion includes an extending portion extending between the external electrodes and the internal electrodes to cover a portion of the internal electrodes.
    Type: Application
    Filed: April 5, 2021
    Publication date: April 28, 2022
    Inventors: Jong Ho LEE, Chang Ho SEO, Eun Jung LEE, Myung Chan SON, Jung Tae PARK, Chang Soo PARK, Min Woo KIM
  • Patent number: 11049654
    Abstract: A multilayer ceramic capacitor includes: a ceramic body including dielectric layers and having first and second surfaces opposing each other, third and fourth surfaces connecting the first and second surfaces to each other, and fifth and sixth surfaces connected to the first to fourth surfaces and opposing each other; a plurality of internal electrodes disposed in the ceramic body, exposed to the first and second surfaces, and having one ends exposed to the third or fourth surface; and a first side margin portion and a second side margin portion disposed, respectively, on side portions of the internal electrodes exposed to the first and second surfaces. A thickness of each of the first and second side margin portions is 10 ?m or more and less than 45 ?m.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: June 29, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yong Park, Chang Ho Seo, Hee Ju Son
  • Patent number: 11049656
    Abstract: A multilayer ceramic capacitor includes: a ceramic body including dielectric layers and having first and second surfaces opposing each other, third and fourth surfaces connecting the first and second surfaces to each other, and fifth and sixth surfaces connected to the first to fourth surfaces and opposing each other; a plurality of internal electrodes disposed in the ceramic body, exposed to the first and second surfaces, and having one ends exposed to the third or fourth surface; and a first side margin portion and a second side margin portion disposed, respectively, on side portions of the internal electrodes exposed to the first and second surfaces. A thickness of each of the first and second side margin portions is 10 ?m or more and less than 45 ?m.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: June 29, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yong Park, Chang Ho Seo, Hee Ju Son
  • Publication number: 20200075240
    Abstract: A multilayer ceramic capacitor includes: a ceramic body including dielectric layers and having first and second surfaces opposing each other, third and fourth surfaces connecting the first and second surfaces to each other, and fifth and sixth surfaces connected to the first to fourth surfaces and opposing each other; a plurality of internal electrodes disposed in the ceramic body, exposed to the first and second surfaces, and having one ends exposed to the third or fourth surface; and a first side margin portion and a second side margin portion disposed, respectively, on side portions of the internal electrodes exposed to the first and second surfaces. A thickness of each of the first and second side margin portions is 10 ?m or more and less than 45 ?m.
    Type: Application
    Filed: October 30, 2018
    Publication date: March 5, 2020
    Inventors: Yong PARK, Chang Ho SEO, Hee Ju SON
  • Publication number: 20200075241
    Abstract: A multilayer ceramic capacitor includes: a ceramic body including dielectric layers and having first and second surfaces opposing each other, third and fourth surfaces connecting the first and second surfaces to each other, and fifth and sixth surfaces connected to the first to fourth surfaces and opposing each other; a plurality of internal electrodes disposed in the ceramic body, exposed to the first and second surfaces, and having one ends exposed to the third or fourth surface; and a first side margin portion and a second side margin portion disposed, respectively, on side portions of the internal electrodes exposed to the first and second surfaces. A thickness of each of the first and second side margin portions is 10 ?m or more and less than 45 ?m.
    Type: Application
    Filed: February 19, 2019
    Publication date: March 5, 2020
    Inventors: Yong PARK, Chang Ho SEO, Hee Ju SON
  • Patent number: 8746002
    Abstract: A refrigerator and a device for ice discharging are disclosed. The device for ice discharging includes a case having an ice introduction opening and an ice discharge opening (312); a rotation member (320) rotatable in the case to transfer ice that is held in a predetermined amount to be discharged; and a discharge adjustment part (340) spaced apart a predetermined space from the rotation member (320) to adjust the number of the ices transferred by the rotation member, such that a fixed amount of the ice is substantially discharged. The refrigerator includes the device for ice discharging therein.
    Type: Grant
    Filed: October 23, 2007
    Date of Patent: June 10, 2014
    Assignee: LG Electronics Inc.
    Inventors: Nam Gi Lee, Seong Jae Kim, Chang Ho Seo
  • Patent number: 8707724
    Abstract: A refrigerator with an ice making chamber is provided. The refrigerator may include a main body that defines a cooling chamber, and lateral wall passages formed at a lateral wall of the cooling chamber. A door that is rotatably coupled to the cooling chamber may be provided with an ice making chamber installed on an interior side thereof, and a connection duct part that connects the ice making chamber to the lateral wall passages. The connection duct part may include passage forming members that define a cold air passage therein, and insulation portion formed around the passage forming members, whereby components of the duct may be quickly and easily assembled at correct positions.
    Type: Grant
    Filed: August 26, 2009
    Date of Patent: April 29, 2014
    Assignee: LG Electronics Inc.
    Inventors: Dong-Jeong Kim, Chang-Ho Seo
  • Patent number: 8707728
    Abstract: Refrigerator with an icemaker including a cabinet having a mullion wall for compartmentalization of a freezing chamber and a refrigerating chamber, a case provided to a door on the refrigerating chamber, having a cavity therein, a first duct for supplying cold air from a neighborhood of an evaporator in the freezing chamber to the cavity, the icemaker in the cavity for producing ice, an ice container in the cavity for storing the ice, and a dispenser in the door in communication with the cavity, thereby having ice supplied to a user at an outside of the refrigerator through a dispenser provided to the door.
    Type: Grant
    Filed: January 20, 2011
    Date of Patent: April 29, 2014
    Assignee: LG Electronics Inc.
    Inventors: Myung Ryul Lee, Seong Jae Kim, Chang Ho Seo, Sung Hoon Chung
  • Patent number: 8601830
    Abstract: Refrigerator with an icemaker including a cabinet having a mullion wall for compartmentalization of a freezing chamber and a refrigerating chamber, a case provided to a door on the refrigerating chamber, having a cavity therein, a first duct for supplying cold air from a neighborhood of an evaporator in the freezing chamber to the cavity, the icemaker in the cavity for producing ice, an ice container in the cavity for storing the ice, and a dispenser in the door in communication with the cavity, thereby having ice supplied to a user at an outside of the refrigerator through a dispenser provided to the door.
    Type: Grant
    Filed: April 23, 2010
    Date of Patent: December 10, 2013
    Assignee: LG Electronics Inc.
    Inventors: Myung Ryul Lee, Seong Jae Kim, Chang Ho Seo, Sung Hoon Chung
  • Patent number: 8495891
    Abstract: Disclosed is a refrigerator including a refrigerator main body having a cooling chamber. The refrigerator also includes a refrigerating chamber door positioned at the refrigerator main body and configured to open and close at least a portion of a refrigerating chamber. The refrigerator further includes an ice chamber disposed at an inner surface of the refrigerating chamber door containing ice. In addition, the refrigerator includes a door basket configured to be attached to an outer surface of the ice chamber and having a non-contact portion positioned at a surface facing the ice chamber.
    Type: Grant
    Filed: October 28, 2009
    Date of Patent: July 30, 2013
    Assignee: LG Electronics Inc.
    Inventors: Dong-Jeong Kim, Bong-Jin Kim, Chang-Ho Seo
  • Patent number: RE46794
    Abstract: A refrigerator and a device for ice discharging are disclosed. The device for ice discharging includes a case having an ice introduction opening and an ice discharge opening (312); a rotation member (320) rotatable in the case to transfer ice that is held in a predetermined amount to be discharged; and a discharge adjustment part (340) spaced apart a predetermined space from the rotation member (320) to adjust the number of the ices transferred by the rotation member, such that a fixed amount of the ice is substantially discharged. The refrigerator includes the device for ice discharging therein.
    Type: Grant
    Filed: March 17, 2016
    Date of Patent: April 17, 2018
    Assignee: LG Electronics Inc.
    Inventors: Nam Gi Lee, Seong Jae Kim, Chang Ho Seo
  • Patent number: RE48303
    Abstract: A refrigerator and a device for ice discharging are disclosed. The device for ice discharging includes a case having an ice introduction opening and an ice discharge opening (312); a rotation member (320) rotatable in the case to transfer ice that is held in a predetermined amount to be discharged; and a discharge adjustment part (340) spaced apart a predetermined space from the rotation member (320) to adjust the number of the ices transferred by the rotation member, such that a fixed amount of the ice is substantially discharged. The refrigerator includes the device for ice discharging therein.
    Type: Grant
    Filed: April 16, 2018
    Date of Patent: November 10, 2020
    Assignee: LG Electronics Inc.
    Inventors: Nam Gi Lee, Seong Jae Kim, Chang Ho Seo