Patents by Inventor Chang-Hoon Choi

Chang-Hoon 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).

  • Patent number: 11108498
    Abstract: A receiving apparatus includes: a first decoder configured to decode a signal transmitted through a first layer from a layered division multiplexing (LDM) signal using a parity check matrix to generate low density parity check (LDPC) information word bits and parity bits; an encoder configured to encode the LDPC information word bits, generated by decoding the signal transmitted through the first layer, using the parity check matrix to generate parity bits corresponding only to preset columns in the parity check matrix; and a second decoder configured to decode a signal obtained by removing, from the LDM signal, a signal corresponding to the LDPC information word bits generated by decoding the signal transmitted through the first layer, the parity bits generated by the encoder, and the parity bits generated by the first decoder except the parity bits generated by the encoder, thereby to generate information word bits transmitted through a second layer.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: August 31, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-hyun Park, Jung-pil Yu, Sung-kyu Jung, Chang-hoon Choi
  • Publication number: 20210253880
    Abstract: Provided is a composition for steel sheet surface coating, the composition comprising colloidal silica, a silane, a monomer, an organic resin, an acidity adjuster, a long-term corrosion-resistance improver, and a solvent; and a steel sheet coated with the composition. The steel sheet has excellent acid resistance, and maintains thickness uniformity thereof even when exposed to an acid for an extended period of time.
    Type: Application
    Filed: August 7, 2019
    Publication date: August 19, 2021
    Inventors: Chang-Hoon CHOI, Dong-Yun KIM, Won-Ho SON, Hee-Jea EUN, Jae-Duck KO
  • Publication number: 20210129289
    Abstract: Disclosed is a line catcher type water jet cutting apparatus. Portions of a workpiece to be converted into products are processed by water jet cutting in a common manner in an early stage of the water jet cutting. In a final stage of the water jet cutting, product fixing pushers press and fix the workpiece.
    Type: Application
    Filed: March 18, 2020
    Publication date: May 6, 2021
    Applicant: TOPS CO., LTD.
    Inventors: CHANG HOON CHOI, TAE IL CHO, MIN SOO SONG, HYUN JUNG KWON, JANG SUNG KIM, DONG JUN PARK, MOHAMED AHMED HASHISH
  • Publication number: 20210129368
    Abstract: Disclosed is a line catcher-type waterjet cutting apparatus in which a workpiece is subjected to the waterjet processing in a state of being clamped by a workpiece edge clamping device and a separate driving unit for the workpiece edge clamping device is provided, and in which the workpiece is clamped by the workpiece edge clamping device during the waterjet processing, while the workpiece is easily decoupled from the workpiece edge clamping device after the waterjet processing is completed, so that the waterjet processing is carried out while reciprocally conveying the workpiece in an X-direction, thereby increasing the processing accuracy of the waterjet processing and easily automating the waterjet processing.
    Type: Application
    Filed: January 24, 2020
    Publication date: May 6, 2021
    Applicant: TOPS CO., LTD.
    Inventors: CHANG HOON CHOI, TAE IL CHO, MIN SOO SONG, HYUN JUNG KWON, JANG SUNG KIM, DONG JUN PARK, MOHAMED AHMED HASHISH
  • Patent number: 10822705
    Abstract: Provided is a surface-treating solution composition, a zinc-based plated steel sheet surface-treated using the same, and a method for producing the same, wherein the surface-treatment solution composition includes: 10 wt % to 20 wt % of a trivalent chromium compound containing chromium phosphate (A) and chromium nitrate (B), the content ratio thereof, A/(A+B), satisfying 0.3 to 0.6; 20 wt % to 40 wt % of a silane-based sol-gel resin in which three types of silane compounds are crosslinked; 0.2 wt % to 0.4 wt % of a rust-inhibiting and corrosion-resistant agent; 0.1 wt % to 0.3 wt % of a molybdenum-based compound; 5 wt % to 10 wt % of a water-soluble cationic urethane resin; 0.5 wt % to 2.0 wt % of a silane coupling agent; 0.5 wt % to 2.0 wt % of an Al compound; and 25.3 wt % to 63.7 wt % of water.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: November 3, 2020
    Assignee: POSCO
    Inventors: Soo-Hyoun Cho, Won-Ho Son, Chang-Hoon Choi
  • Patent number: 10724967
    Abstract: An inspection apparatus for a semiconductor process and a semiconductor process device, the inspection apparatus including a transferer configured to transfer a process object between a plurality of chambers; at least one line camera installed above the transferer, the at least one line camera being configured to generate an original image by capturing an image of the process object transferred by the transferer; and a controller configured to receive the original image and to perform an inspection of the process object by correcting distortion of the original image due to a change in transfer speed of the transferer.
    Type: Grant
    Filed: January 8, 2019
    Date of Patent: July 28, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Myung Ho Jung, Young Su Ryu, Sung Chai Kim, Jong Su Kim, Won Guk Seo, Chang Hoon Choi, Jeong Su Ha
  • Patent number: 10681098
    Abstract: A transmitting apparatus is provided. The transmitting apparatus includes: an L1 signaling generator configured to generate L1 signaling including first information and second information; a frame generator configured to generate a frame including a payload including a plurality of sub frames; and a signal processor configured to insert a preamble including the L1 signaling in the frame and transmit the frame. The first information includes information required for decoding a first sub frame among the plurality of sub frames. Therefore, a processing delay in a receiving apparatus is reduced.
    Type: Grant
    Filed: August 19, 2019
    Date of Patent: June 9, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-hyun Park, Min-ho Kim, Sung-woo Park, Sung-kyu Jung, Chang-hoon Choi, Doo-chan Hwang
  • Patent number: 10624926
    Abstract: The present invention relates to blood-derived luterial and a method for isolating and culturing the same. The luterial according to the present invention is a cell or cell-like structure having the following characteristics: (1) it is present in body fluids, including blood, sperm, intestinal juices, saliva, and cellular fluids; (2) it shows a positive staining with Janus green B, Acridine Orange and Rhodamine 123 in an immunofluorescence test; (3) in an optimal environment (pH 7.2-7.
    Type: Grant
    Filed: May 9, 2014
    Date of Patent: April 21, 2020
    Assignee: LUTERION CO., LTD.
    Inventors: Won Cheol Choi, Young Ah Kwon, Suk Hoon Choi, Chang Hoon Choi
  • Patent number: 10590384
    Abstract: The present disclosure relates to luterial, which is a mitochondrial-like unidentified nano-sized particle derived from a body fluid, and to a method for isolating the same.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: March 17, 2020
    Assignee: LUTERION CO., LTD.
    Inventors: Won Cheol Choi, Young Ah Kwon, Suk Hoon Choi, Chang Hoon Choi
  • Patent number: 10569194
    Abstract: The present disclosure relates to luterion, which is a mitochondrial-like micro-material, and separating and culturing methods for same and, more particularly, to a method for separating luterion by means of a filter having a pore of a particular size, luterion which is separated by means of the method thereof and has unique properties, and a culturing method for proliferation of the luterion.
    Type: Grant
    Filed: January 6, 2016
    Date of Patent: February 25, 2020
    Assignee: LUTERION CO., LTD.
    Inventors: Young Ah Kwon, Won Cheol Choi, Suk Hoon Choi, Chang Hoon Choi
  • Publication number: 20200032080
    Abstract: Provided is a composition for surface treatment of a steel sheet, the composition having excellent resistance to an acid, such as sulfuric acid, and to a coated steel sheet to which the composition for surface treatment is applied, wherein the composition for surface treatment comprises 30-50% wt % of colloidal silica containing 5-20 nm-sized silica, 40-60% wt % of silane containing three or more alkoxy groups, 5-15 wt % of an acrylate-based organic monomer, 0.01-1 wt % of an acid, and 1-15 wt % of a solvent.
    Type: Application
    Filed: September 28, 2017
    Publication date: January 30, 2020
    Inventors: Chang-Hoon CHOI, Dong-Yun KIM, Min-Ho JO, Jae-Duck KO, Won-Ho SON, Jong-Hwa KIM
  • Publication number: 20190386777
    Abstract: A receiving apparatus includes: a first decoder configured to decode a signal transmitted through a first layer from a layered division multiplexing (LDM) signal using a parity check matrix to generate low density parity check (LDPC) information word bits and parity bits; an encoder configured to encode the LDPC information word bits, generated by decoding the signal transmitted through the first layer, using the parity check matrix to generate parity bits corresponding only to preset columns in the parity check matrix; and a second decoder configured to decode a signal obtained by removing, from the LDM signal, a signal corresponding to the LDPC information word bits generated by decoding the signal transmitted through the first layer, the parity bits generated by the encoder, and the parity bits generated by the first decoder except the parity bits generated by the encoder, thereby to generate information word bits transmitted through a second layer.
    Type: Application
    Filed: August 29, 2019
    Publication date: December 19, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-hyun Park, Jung-pil Yu, Sung-kyu Jung, Chang-hoon Choi
  • Publication number: 20190373033
    Abstract: A transmitting apparatus is provided. The transmitting apparatus includes: an L1 signaling generator configured to generate L1 signaling including first information and second information; a frame generator configured to generate a frame including a payload including a plurality of sub frames; and a signal processor configured to insert a preamble including the L1 signaling in the frame and transmit the frame. The first information includes information required for decoding a first sub frame among the plurality of sub frames. Therefore, a processing delay in a receiving apparatus is reduced.
    Type: Application
    Filed: August 19, 2019
    Publication date: December 5, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-hyun PARK, Min-ho Kim, Sung-woo Park, Sung-kyu Jung, Chang-hoon Choi, Doo-chan Hwang
  • Publication number: 20190323973
    Abstract: An inspection apparatus for a semiconductor process and a semiconductor process device, the inspection apparatus including a transferer configured to transfer a process object between a plurality of chambers; at least one line camera installed above the transferer, the at least one line camera being configured to generate an original image by capturing an image of the process object transferred by the transferer; and a controller configured to receive the original image and to perform an inspection of the process object by correcting distortion of the original image due to a change in transfer speed of the transferer.
    Type: Application
    Filed: January 8, 2019
    Publication date: October 24, 2019
    Inventors: Myung Ho JUNG, Young Su RYU, Sung Chai KIM, Jong Su KIM, Won Guk SEO, Chang Hoon CHOI, Jeong Su HA
  • Patent number: 10439758
    Abstract: A receiving apparatus includes: a first decoder configured to decode a signal transmitted through a first layer from a layered division multiplexing (LDM) signal using a parity check matrix to generate low density parity check (LDPC) information word bits and parity bits; an encoder configured to encode the LDPC information word bits, generated by decoding the signal transmitted through the first layer, using the parity check matrix to generate parity bits corresponding only to preset columns in the parity check matrix; and a second decoder configured to decode a signal obtained by removing, from the LDM signal, a signal corresponding to the LDPC information word bits generated by decoding the signal transmitted through the first layer, the parity bits generated by the encoder, and the parity bits generated by the first decoder except the parity bits generated by the encoder, thereby to generate information word bits transmitted through a second layer.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: October 8, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-hyun Park, Jung-pil Yu, Sung-kyu Jung, Chang-hoon Choi
  • Patent number: 10406188
    Abstract: The present disclosure relates to a method for inhibiting telomerase in cancer cells by means of luterion and, more particularly, to a method for inhibiting telomerase activity in cancer tissues, cancer cells or a cancer patient, the method in which administered are: an anti-cancer composition comprising luterion; a composition for inhibiting telomerase activity in cancer cells; and luterion. Luterion, according to the present disclosure, has the advantage of effectively inhibiting only the proliferation of cancer cells, without affecting normal cells, by inhibiting telomerase activity in cancer cells.
    Type: Grant
    Filed: July 5, 2017
    Date of Patent: September 10, 2019
    Assignee: LUTERION CO., LTD.
    Inventors: Young Ah Kwon, Won Cheol Choi, Suk Hoon Choi, Chang Hoon Choi
  • Publication number: 20190264334
    Abstract: Provided is a surface-treating solution composition, a zinc-based plated steel sheet surface-treated using the same, and a method for producing the same, wherein the surface-treatment solution composition includes: 10 wt % to 20 wt % of a trivalent chromium compound containing chromium phosphate (A) and chromium nitrate (B), the content ratio thereof, A/(A+B), satisfying 0.3 to 0.6; 20 wt % to 40 wt % of a silane-based sol-gel resin in which three types of silane compounds are crosslinked; 0.2 wt % to 0.4 wt % of a rust-inhibiting and corrosion-resistant agent; 0.1 wt % to 0.3 wt % of a molybdenum-based compound; 5 wt % to 10 wt % of a water-soluble cationic urethane resin; 0.5 wt % to 2.0 wt % of a silane coupling agent; 0.5 wt % to 2.0 wt % of an Al compound; and 25.3 wt % to 63.7 wt % of water.
    Type: Application
    Filed: September 29, 2017
    Publication date: August 29, 2019
    Inventors: Soo-Hyoun CHO, Won-Ho SON, Chang-Hoon CHOI
  • Patent number: D870333
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: December 17, 2019
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Chang-Hoon Choi, Tae-Hoon Kim
  • Patent number: D870334
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: December 17, 2019
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Chang-Hoon Choi, Tae-Hoon Kim
  • Patent number: D870335
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: December 17, 2019
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Chang-Hoon Choi, Tae-Hoon Kim