Patents by Inventor Sam Choi

Sam Choi 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).

  • Publication number: 20240170216
    Abstract: A film for manufacturing an electronic component includes a polymer layer and conductive nanowires and magnetic nanoparticles dispersed in the polymer layer.
    Type: Application
    Filed: July 5, 2023
    Publication date: May 23, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jung Jin PARK, Dae Jin SHIM, Jung Jin PARK, Jae Won KIM, Hyo Sung CHOI, Ho Sam CHOI, Sun Mi KIM, Jong Ho LEE
  • Patent number: 11972698
    Abstract: A blood vessel model simulation apparatus for conducting a test or a simulation surgery on a blood vessel model, including: a blood vessel model mounting unit on which a blood vessel model is mounted to allow a blood-mimicking liquid flow; a blood-mimicking liquid tank unit that is integrally attached to the blood vessel model mounting unit and stores a blood-mimicking liquid which is to be supplied to the blood vessel model mounted on the blood vessel model mounting unit; a pump unit that circulates the blood-mimicking liquid stored in the blood-mimicking liquid tank unit via the blood vessel model; and a pump control unit that controls drive of the pump unit. The units are configured to be integrally coupled to each other such that the blood vessel model simulation apparatus has a reduction in size and weight to be mobile.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: April 30, 2024
    Assignee: THE CATHOLIC UNIVERSITY OF KOREA INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Jai Ho Choi, Yong Sam Shin
  • Patent number: 11961679
    Abstract: A multilayer capacitor includes a body including a plurality of dielectric layers and a plurality of internal electrodes stacked in a first direction, and external electrodes, wherein the body includes an active portion, a side margin portion covering at least one of a first surface and a second surface of the active portion opposing each other in a second direction, and a cover portion covering the active portion in the first direction, respective dielectric layers among the plurality of dielectric layers include a barium titanate-based composition, the dielectric layer of the side margin portion includes Sn, and a content of Sn in the dielectric layer of the side margin portion is different from that of Sn in the dielectric layer of the active portion, and the dielectric layer of the side margin portion includes at least some grains having a core-shell structure.
    Type: Grant
    Filed: November 2, 2021
    Date of Patent: April 16, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jin Woo Kim, Eun Jung Lee, Jong Suk Jeong, Chun Hee Seo, Jong Hoon Yoo, Tae Hyung Kim, Ho Sam Choi, Sim Chung Kang
  • Publication number: 20240110170
    Abstract: The present disclosure relates to a modified polypeptide having xylanase activity and the use thereof.
    Type: Application
    Filed: December 15, 2021
    Publication date: April 4, 2024
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Tae Joo YANG, Jihyun SHIM, Eun Jung CHOI, Byung-sam SON, Jae Yong PARK
  • Publication number: 20230170144
    Abstract: A method of manufacturing a dielectric slurry, includes supplying a dielectric slurry including dielectric particles and a solvent to a slurry supply module, dispersing the dielectric slurry by inserting the dielectric slurry into a particle dispersing module, classifying the dielectric particles according to particle size by inserting the dispersed dielectric slurry into a classifying module, recovering at least a portion of the dielectric particles to the slurry supply module, and redispersing the dielectric slurry including the dielectric particles recovered to the slurry supply module to the particle dispersing module.
    Type: Application
    Filed: May 2, 2022
    Publication date: June 1, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jung Jin Park, Su Min Kim, Ho Sam Choi, Kyu Jeong Sim, Jeong Ha Yoon, Jong Ho Lee
  • Patent number: 11600441
    Abstract: A multilayer electronic component includes a body including dielectric layers and internal electrodes. The internal electrodes are exposed to fifth and sixth surfaces of the body, and first ends thereof are respectively exposed to third or fourth surfaces of the body. First and second side margin portions are respectively disposed on the fifth and sixth surfaces. The body includes an active portion, and upper and lower cover portions disposed respectively on a first surface and a second surface of the active portion in a first direction. The ratio of a dimension of the lower cover portion in the first direction C to a dimension of the first side margin portion in the third direction A, C/A?2.6, C/T is 0.080, where T is a dimension of the body in the first direction, and D<C where D is the dimension of the body in the first direction.
    Type: Grant
    Filed: April 5, 2021
    Date of Patent: March 7, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seung Min Kang, Ho Sam Choi, Jong Ho Lee, So Hyeon Hong
  • Patent number: 11551870
    Abstract: A multilayer ceramic electronic component includes: a ceramic body including an active portion having dielectric layers and first and second internal electrodes and first and second cover portions disposed on opposite surfaces of the active portion in a stacking direction, respectively; wherein when a region of the cover portion in contact with the first or second internal electrode is an inner region of the cover portion and a region of the active portion in contact with the inner region of the cover portion is an outer region of the active portion, 1.00<XA/XB?1.04 in which XA/XB is a ratio of a molar ratio (XA) of barium (Ba) to titanium (Ti) in the inner region of the cover portion to a molar ratio (XB) of barium (Ba) to titanium (Ti) in the outer region of the active portion.
    Type: Grant
    Filed: August 10, 2021
    Date of Patent: January 10, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyu Jeong Sim, Ho Sam Choi, Seung Min Kang, Jin Kyu Kim, Jae Won Kim, So Hyeon Hong, Jong Ho Lee, Chung Eun Lee
  • Patent number: 11414520
    Abstract: The polyamide-imide copolymer according to the present disclosure makes it possible to provide a polyamide-imide film that is excellent in both thermal stability and mechanical properties, and is capable of realizing anisotropy.
    Type: Grant
    Filed: October 15, 2018
    Date of Patent: August 16, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Yunah Yu, Hyung Sam Choi, Byung Guk Kim, Young Sik Eom, Sung Yeol Choi, Sang Gon Kim, Duk Hun Jang
  • Patent number: 11377556
    Abstract: The present disclosure relates to a polyimide-based block copolymer and a polyimide-based block copolymer film including the same. The polyimide-based block copolymer according to the present disclosure makes it possible to provide a polyimide-based film having low haze and yellow index value while exhibiting excellent transparency.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: July 5, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Duk Hun Jang, Byung Guk Kim, Young Sik Eom, Sung Yeol Choi, Sang Gon Kim, Jin Sook Ryu, Sun Ok Oh, Hyung Sam Choi
  • Publication number: 20220139632
    Abstract: A multilayer capacitor includes a body including a plurality of dielectric layers and a plurality of internal electrodes stacked in a first direction, and external electrodes, wherein the body includes an active portion, a side margin portion covering at least one of a first surface and a second surface of the active portion opposing each other in a second direction, and a cover portion covering the active portion in the first direction, respective dielectric layers among the plurality of dielectric layers include a barium titanate-based composition, the dielectric layer of the side margin portion includes Sn, and a content of Sn in the dielectric layer of the side margin portion is different from that of Sn in the dielectric layer of the active portion, and the dielectric layer of the side margin portion includes at least some grains having a core-shell structure.
    Type: Application
    Filed: November 2, 2021
    Publication date: May 5, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jin Woo KIM, Eun Jung Lee, Jong Suk Jeong, Chun Hee Seo, Jong Hoon Yoo, Tae Hyung Kim, Ho Sam Choi, Sim Chung Kang
  • Publication number: 20220139622
    Abstract: A multilayer electronic component includes a body including dielectric layers and internal electrodes. The internal electrodes are exposed to fifth and sixth surfaces of the body, and first ends thereof are respectively exposed to third or fourth surfaces of the body. First and second side margin portions are respectively disposed on the fifth and sixth surfaces. The body includes an active portion, and upper and lower cover portions disposed respectively on a first surface and a second surface of the active portion in a first direction. The ratio of a dimension of the lower cover portion in the first direction C to a dimension of the first side margin portion in the third direction A, C/A?2.6, C/T is 0.080, where T is a dimension of the body in the first direction, and D<C where D is the dimension of the body in the first direction.
    Type: Application
    Filed: April 5, 2021
    Publication date: May 5, 2022
    Inventors: Seung Min KANG, Ho Sam CHOI, Jong Ho LEE, So Hyeon HONG
  • Publication number: 20220139624
    Abstract: A multilayer ceramic electronic component includes: a ceramic body including an active portion having dielectric layers and first and second internal electrodes and first and second cover portions disposed on opposite surfaces of the active portion in a stacking direction, respectively; wherein when a region of the cover portion in contact with the first or second internal electrode is an inner region of the cover portion and a region of the active portion in contact with the inner region of the cover portion is an outer region of the active portion, 1.00<XA/XB<1.04 in which XA/XB is a ratio of a molar ratio (XA) of barium (Ba) to titanium (Ti) in the inner region of the cover portion to a molar ratio (XB) of barium (Ba) to titanium (Ti) in the outer region of the active portion.
    Type: Application
    Filed: August 10, 2021
    Publication date: May 5, 2022
    Inventors: Kyu Jeong SIM, Ho Sam CHOI, Seung Min KANG, Jin Kyu KIM, Jae Won KIM, So Hyeon HONG, Jong Ho LEE, Chung Eun LEE
  • Patent number: 11320940
    Abstract: Disclosed is a touch control device. The touch control device includes a touch panel having a curved surface shape of multiple curvatures. The touch control device includes a base including a metal complex, an electrode groove formed in a touch area of the base, a plurality of sensor electrodes formed on the electrode groove, each including a conductive material, a via hole penetrating the base, a connection electrode connecting the plurality of sensor electrodes through the via hole and an integrated circuit coupled to the base and connected to the sensor electrodes to sense a change in capacitance of the sensor electrodes.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: May 3, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, SEOYON ELECTRONICS CO., LTD.
    Inventors: Sihyun Joo, Nae Seung Kang, Jungsang Min, Jongmin Oh, Sam Min Park, Jun Sam Choi
  • Publication number: 20210277235
    Abstract: The present disclosure relates to a polyimide-based block copolymer and a polyimide-based block copolymer film including the same. The polyimide-based block copolymer according to the present disclosure makes it possible to provide a polyimide-based film having low haze and yellow index value while exhibiting excellent transparency.
    Type: Application
    Filed: December 13, 2017
    Publication date: September 9, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Duk Hun JANG, Byung Guk KIM, Young Sik EOM, Sung Yeol CHOI, Sang Gon KIM, Jin Sook RYU, Sun Ok OH, Hyung Sam CHOI
  • Patent number: 11098160
    Abstract: The present disclosure relates to a polyimide-based block copolymer and a polyimide-based film including the same. The polyimide-based block copolymer according to the present disclosure makes it possible to provide a polyimide-based film having a large molecular weight and exhibiting colorless and transparent properties.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: August 24, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Sung Yeol Choi, Byung Guk Kim, Sang Gon Kim, Duk Hun Jang, Hyung Sam Choi
  • Publication number: 20210189068
    Abstract: The polyamide-imide copolymer according to the present disclosure makes it possible to provide a polyamide-imide film that is excellent in both thermal stability and mechanical properties, and is capable of realizing anisotropy.
    Type: Application
    Filed: October 15, 2018
    Publication date: June 24, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Yunah YU, Hyung Sam CHOI, Byung Guk KIM, Young Sik EOM, Sung Yeol CHOI, Sang Gon KIM, Duk Hun JANG
  • Patent number: 10952558
    Abstract: A drapery connector has an extrusion having an extrusion hollow; a pair of rails formed on the extrusion; a pair of extrusion sidewalls supporting the pair of rails; a pair of rollers engaging the extrusion; a roller frame retaining the axle; and a carriage line connecting the upper carriage to a successive upper carriage. The upper carriage is translationally mounted inside the extrusion in the extrusion hollow. The pair of rollers share a common axle, and the upper carriage has a pair of rollers with a common axle. The roller frame has a roller frame flat face oriented parallel to a wheel inside vertical surface. The upper carriage further has a roller frame. A pair of roller frame flat faces are formed on the roller frame. Each of the roller frame flat faces are closer to the wheel inside vertical surfaces than a thickness of a carriage line.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: March 23, 2021
    Inventor: Sam Choi
  • Patent number: 10800882
    Abstract: The present disclosure relates to a polyimide-based block copolymer and a polyimide-based film including the same. The polyimide-based block copolymer according to the present disclosure makes it possible to provide a polyimide-based film exhibiting excellent mechanical properties while having a high molecular weight, and being colorless and transparent.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: October 13, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Sang Gon Kim, Sung Yeol Choi, Duk Hun Jang, Hyung Sam Choi
  • Patent number: 10732780
    Abstract: A touch input device including a connection member electrically connecting a sensor electrode and a printed circuit board by contact without soldering may include a base including a metal complex, an electrode groove formed by irradiating a laser on the base, a sensor electrode formed on the electrode groove through a plating or deposition process and including a conductive material, a sensor IC to sense a change in capacitance of the sensor electrode, a printed circuit board on which the sensor IC is mounted and is disposed to be coupled with the base, and the connection member provided on the printed circuit board and configured to electrically connect the sensor electrode and the printed circuit board, wherein the connection member may elastically come into contact with the sensor electrode to connect the sensor electrode and the printed circuit board.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: August 4, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Seoyon Electronics Co., Ltd.
    Inventors: Sihyun Joo, Nae Seung Kang, Jungsang Min, Jongmin Oh, Sam Min Park, Jun Sam Choi
  • Publication number: 20200239634
    Abstract: The present disclosure relates to a polyimide-based block copolymer and a polyimide-based film including the same. The polyimide-based block copolymer according to the present disclosure makes it possible to provide a polyimide-based film having a large molecular weight and exhibiting colorless and transparent properties.
    Type: Application
    Filed: October 12, 2017
    Publication date: July 30, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Sung Yeol CHOI, Byung Guk KIM, Sang Gon KIM, Duk Hun JANG, Hyung Sam CHOI