Patents by Inventor Cheol Ju

Cheol Ju 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: 12356610
    Abstract: A semiconductor device comprises, a substrate, a first capacitor structure including a plurality of first storage electrodes on the substrate, a first upper electrode on the first storage electrodes and a first capacitor dielectric layer between the plurality of first storage electrodes and the first upper electrode, and a first lower electrode between the first capacitor structure and the substrate and electrically connected with the first capacitor structure. The plurality of first storage electrodes include a first normal storage electrode and a first dummy storage electrode, which are spaced apart from each other. The first normal storage electrode is electrically connected with the first lower electrode, and the first dummy storage electrode is not electrically connected with the first lower electrode.
    Type: Grant
    Filed: May 13, 2022
    Date of Patent: July 8, 2025
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Cheol Ju Yun
  • Patent number: 12331144
    Abstract: Provided is a method of preparing a maleimide-based copolymer, which comprises adding a monomer mixture including an aromatic vinyl-based monomer and a maleimide-based monomer to an aqueous solution consisting of an aqueous solvent and a first vinyl cyanide-based monomer and performing polymerization.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: June 17, 2025
    Assignee: LG CHEM, LTD.
    Inventors: Min Seung Shin, Min Cheol Ju, Sung Won Hong, In Soo Kim, Hyung Sub Lee
  • Patent number: 12291586
    Abstract: The present invention relates to a method of preparing a polymer, which includes: adding a first reaction solution including an aqueous solvent and a monomer mixture including an alkyl-substituted aromatic vinyl-based monomer, an alkyl-unsubstituted aromatic vinyl-based monomer, and a vinyl cyanide-based monomer to a reactor and initiating polymerization; and performing polymerization by continuously adding an alkyl-substituted aromatic vinyl-based monomer to the reactor, wherein the first reaction solution satisfies Expression 1 (see the description of the invention).
    Type: Grant
    Filed: November 25, 2021
    Date of Patent: May 6, 2025
    Assignee: LG CHEM, LTD.
    Inventors: Sung Won Hong, Hyung Sub Lee, Dae Woo Lee, Min Cheol Ju, Seong Jae Shin, Min Seung Shin, In Soo Kim
  • Patent number: 12286490
    Abstract: Provided is a polymer production method including: batch-adding a reaction solution including a monomer mixture including a maleimide-based monomer, a vinyl aromatic monomer, and a vinyl cyanide-based monomer and an aqueous solvent to a reactor and initiating polymerization; and carrying out the polymerization while continuously adding the maleimide-based monomer and the aqueous solvent to the reactor, wherein the reaction solution satisfies the above Formula 1.
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: April 29, 2025
    Assignee: LG CHEM, LTD.
    Inventors: In Soo Kim, Hyung Sub Lee, Dae Woo Lee, Min Cheol Ju, Min Seung Shin, Sung Won Hong
  • Publication number: 20250126816
    Abstract: There is provided a semiconductor device capable of improving performance and reliability of a device, by adjusting the arrangement of penetration patterns included in an electrode support for supporting the lower electrode. The semiconductor device includes a plurality of lower electrodes that are aligned with each other on a substrate along a first direction and a second direction different from the first direction, and a first electrode support that supports the lower electrodes, and includes a plurality of first penetration patterns, wherein the first electrode support includes a center region, and an edge region defined along a periphery of the center region, wherein the first penetration patterns include center penetration patterns that are spaced apart by a first interval in the center region, and wherein the first penetration patterns include edge penetration patterns that are spaced apart by a second interval different from the first interval in the edge region.
    Type: Application
    Filed: December 19, 2024
    Publication date: April 17, 2025
    Inventors: Cheol Ju Yun, Youn Seon Kang, Eun Shoo Han
  • Patent number: 12211891
    Abstract: There is provided a semiconductor device capable of improving performance and reliability of a device, by adjusting the arrangement of penetration patterns included in an electrode support for supporting the lower electrode. The semiconductor device includes a plurality of lower electrodes that are aligned with each other on a substrate along a first direction and a second direction different from the first direction, and a first electrode support that supports the lower electrodes, and includes a plurality of first penetration patterns, wherein the first electrode support includes a center region, and an edge region defined along a periphery of the center region, wherein the first penetration patterns include center penetration patterns that are spaced apart by a first interval in the center region, and wherein the first penetration patterns include edge penetration patterns that are spaced apart by a second interval different from the first interval in the edge region.
    Type: Grant
    Filed: July 18, 2022
    Date of Patent: January 28, 2025
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Cheol Ju Yun, Youn Seon Kang, Eun Shoo Han
  • Patent number: 12146013
    Abstract: The present invention relates to a method for producing a copolymer, the method for producing a copolymer including: step (S10) for adding aromatic vinyl-based monomers substituted with alkyl groups and vinyl cyan-based monomers to perform polymerization in the presence of a polymerization initiator, wherein the vinyl cyan-based monomers are collectively added before initiation of the polymerization in step (S10), monomer droplets are continuously divisionally added during the polymerization in step (S10), and the monomer droplets contain part or all of the aromatic vinyl-based monomers substituted with alkyl groups, and relates to a copolymer produced therefrom, and a thermoplastic resin composition including the same.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: November 19, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Min Cheol Ju, Min Seung Shin, Sung Won Hong, In Soo Kim, Hyung Sub Lee
  • Publication number: 20240316235
    Abstract: A sterilization module includes a main body having an opening on the top surface thereof, a transparent member which is arranged on the inside of the main body so as to cover the opening, and through which light passes, an inner sealing member which is made of an elastic material and which covers the side surface of the transparent member, a light emitting module that comprises a substrate and a light emitting element installed on the upper surface of the substrate, and which emits light through the transparent member, and an inner holder which is fastened to the inner side surface of the main body and fixes the light emitting module to the inside of the main body.
    Type: Application
    Filed: May 31, 2024
    Publication date: September 26, 2024
    Inventors: Woong Ki JUNG, Ji Hyun JO, Byeong Cheol JU, Jae Young CHOI
  • Publication number: 20240181117
    Abstract: A deodorization module and a storage device including the deodorization module. A deodorization module includes: a housing; a suction opening formed on the lower surface of the housing to allow external air to be suctioned therethrough; a fan disposed at the suction opening to suction the air; a discharge opening for discharging the air, which has been suctioned by the fan, to the outside of the housing; a photocatalytic bar disposed between the fan and the discharge opening; and a light source module, which includes a light source substrate and an ultraviolet light source and irradiates an ultraviolet ray to the photocatalytic bar.
    Type: Application
    Filed: February 8, 2024
    Publication date: June 6, 2024
    Applicant: Seoul Viosys Co., Ltd.
    Inventors: Jae Hak JEONG, Ji Won KIM, Byeong Cheol JU, Sang Cheol SHIN, Woong Ki JUNG
  • Patent number: 11998648
    Abstract: A sterilization module includes a main body having an opening on the top surface thereof, a transparent member which is arranged on the inside of the main body so as to cover the opening, and through which light passes, an inner sealing member which is made of an elastic material and which covers the side surface of the transparent member, a light emitting module that comprises a substrate and a light emitting element installed on the upper surface of the substrate, and which emits light through the transparent member, and an inner holder which is fastened to the inner side surface of the main body and fixes the light emitting module to the inside of the main body.
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: June 4, 2024
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Woong Ki Jung, Ji Hyun Jo, Byeong Cheol Ju, Jae Young Choi
  • Publication number: 20240150504
    Abstract: The present disclosure relates to a method of preparing a polymer, which includes: adding an alkyl-substituted aromatic vinyl-based monomer and a vinyl cyanide-based monomer to a reactor and initiating polymerization; and performing polymerization while continuously adding an alkyl-substituted aromatic vinyl-based monomer and a multifunctional initiator to the reactor, wherein the continuous addition of the alkyl-substituted aromatic vinyl-based monomer and the multifunctional initiator is initiated when a polymerization conversion rate is 10 to 30%, and the continuous addition of the alkyl-substituted aromatic vinyl-based monomer and the multifunctional initiator is terminated when a polymerization conversion rate is 70 to 80%.
    Type: Application
    Filed: January 17, 2023
    Publication date: May 9, 2024
    Applicant: LG CHEM, LTD.
    Inventors: Sung Won HONG, Hyung Sub LEE, Dae Woo LEE, Woo Ri KIM, Min Cheol JU, Min Seung SHIN, In Soo KIM
  • Publication number: 20240147198
    Abstract: A method for sharing data in a transmitting-side electronic device communicating with a receiving-side electronic device is provided. The method includes connecting a voice call with the receiving-side electronic device; obtaining a sharing object to be shared with the receiving-side electronic device; and transmitting data corresponding to the sharing object to the receiving-side electronic device through a data session formed based on information related to the voice call.
    Type: Application
    Filed: January 5, 2024
    Publication date: May 2, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-kih HONG, Min-Seok KIM, Ho-Jun LEE, Su-Jeong LIM, Deok-Ho KIM, Cheol-Ju HWANG, Yeul-Tak SUNG
  • Patent number: 11925721
    Abstract: A water sterilization module includes a container including a water inlet and a water outlet and containing water therein, and a light source part mounted on a part of the container and irradiating sterilizing light into the container. The water inlet has a diameter larger than a diameter of the water outlet.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: March 12, 2024
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Jae Hak Jeong, Woong Ki Jung, Hee Ho Bae, Byeong Cheol Ju
  • Patent number: 11896745
    Abstract: A deodorization module includes a housing having a bar securing member and a substrate securing member, and formed of a reflective material, wherein each of the bar securing member and the substrate securing member protrudes inward from an inner side surface of the housing and has a groove. A photocatalyst bar is disposed such that air introduced into the housing passes through the photocatalyst bar. A light source module including a light source substrate and an ultraviolet (UV) light source is disposed on a first surface of the light source substrate, wherein the light source module is configured to emit light toward the photocatalyst bar. An external guide protrudes outward around an outer periphery of the housing.
    Type: Grant
    Filed: July 19, 2021
    Date of Patent: February 13, 2024
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Jae Hak Jeong, Ji Won Kim, Byeong Cheol Ju, Sang Cheol Shin, Woong Ki Jung
  • Patent number: 11871307
    Abstract: A method for sharing data in a transmitting-side electronic device communicating with a receiving-side electronic device is provided. The method includes connecting a voice call with the receiving-side electronic device; obtaining a sharing object to be shared with the receiving-side electronic device; and transmitting data corresponding to the sharing object to the receiving-side electronic device through a data session formed based on information related to the voice call.
    Type: Grant
    Filed: December 2, 2022
    Date of Patent: January 9, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-kih Hong, Min-Seok Kim, Ho-Jun Lee, Su-Jeong Lim, Deok-Ho Kim, Cheol-Ju Hwang, Yeul-Tak Sung
  • Publication number: 20230144513
    Abstract: The present disclosure relates to a method for preparing a copolymer, a copolymer prepared therefrom, and a thermoplastic resin composition including the copolymer. The method includes introducing and polymerizing an aromatic vinyl-based monomer, a vinyl cyan-based monomer, and an imide-based monomer, wherein the imide-based monomer is introduced at once in an amount of 1 wt % to 24 wt % before the start of polymerization, and is continuously introduced in an amount of 76 wt % to 99 wt % from the start of the polymerization.
    Type: Application
    Filed: November 18, 2021
    Publication date: May 11, 2023
    Applicant: LG CHEM, LTD.
    Inventors: Min Seung SHIN, Hyung Sub LEE, Dae Woo LEE, Min Cheol JU, Sung Won HONG, In Soo KIM
  • Patent number: 11638127
    Abstract: A method for sharing data in a transmitting-side electronic device communicating with a receiving-side electronic device is provided. The method includes connecting a voice call with the receiving-side electronic device; obtaining a sharing object to be shared with the receiving-side electronic device; and transmitting data corresponding to the sharing object to the receiving-side electronic device through a data session formed based on information related to the voice call.
    Type: Grant
    Filed: April 9, 2021
    Date of Patent: April 25, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-kih Hong, Min-Seok Kim, Ho-Jun Lee, Su-Jeong Lim, Deok-Ho Kim, Cheol-Ju Hwang, Yeul-Tak Sung
  • Publication number: 20230112600
    Abstract: There is provided a semiconductor device capable of improving performance and reliability of a device, by adjusting the arrangement of penetration patterns included in an electrode support for supporting the lower electrode. The semiconductor device includes a plurality of lower electrodes that are aligned with each other on a substrate along a first direction and a second direction different from the first direction, and a first electrode support that supports the lower electrodes, and includes a plurality of first penetration patterns, wherein the first electrode support includes a center region, and an edge region defined along a periphery of the center region, wherein the first penetration patterns include center penetration patterns that are spaced apart by a first interval in the center region, and wherein the first penetration patterns include edge penetration patterns that are spaced apart by a second interval different from the first interval in the edge region.
    Type: Application
    Filed: July 18, 2022
    Publication date: April 13, 2023
    Inventors: Cheol Ju Yun, Youn Seon Kang, Eun Shoo Han
  • Publication number: 20230114693
    Abstract: A method for sharing data in a transmitting-side electronic device communicating with a receiving-side electronic device is provided. The method includes connecting a voice call with the receiving-side electronic device; obtaining a sharing object to be shared with the receiving-side electronic device; and transmitting data corresponding to the sharing object to the receiving-side electronic device through a data session formed based on information related to the voice call.
    Type: Application
    Filed: December 2, 2022
    Publication date: April 13, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-kih HONG, Min-Seok Kim, Ho-Jun Lee, Su-Jeong Lim, Deok-Ho Kim, Cheol-Ju Hwang, Yeul-Tak Sung
  • Publication number: 20230102747
    Abstract: A semiconductor device comprises, a substrate, a first capacitor structure including a plurality of first storage electrodes on the substrate, a first upper electrode on the first storage electrodes and a first capacitor dielectric layer between the plurality of first storage electrodes and the first upper electrode, and a first lower electrode between the first capacitor structure and the substrate and electrically connected with the first capacitor structure. The plurality of first storage electrodes include a first normal storage electrode and a first dummy storage electrode, which are spaced apart from each other. The first normal storage electrode is electrically connected with the first lower electrode, and the first dummy storage electrode is not electrically connected with the first lower electrode.
    Type: Application
    Filed: May 13, 2022
    Publication date: March 30, 2023
    Inventor: Cheol Ju Yun