Patents by Inventor Hana Choi

Hana 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: 10889702
    Abstract: The present disclosure relates to a reinforcing material for rubber including aluminosilicate particles and a rubber composition for tires including the same. The aluminosilicate particles included in the reinforcing material for rubber according to the present disclosure exhibit an enhanced reinforcing effect due to excellent dispersibility in the rubber composition, but do not hinder processability of the rubber composition. Therefore, the aluminosilicate particles can be suitably applied as a reinforcing material in a rubber composition for tires.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: January 12, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Kwonil Choi, Eunkyu Seong, Hana Lee, Wooseok Kim, Myounghwan Oh
  • Patent number: 10615390
    Abstract: An electrode-composite separator assembly for a lithium battery, the electrode-composite separator assembly including an electrode; and a composite separator, wherein the composite separator includes a separator, and a coating film disposed on a surface of the separator, wherein the coating film includes a copolymer including an electrolyte-insoluble repeating unit and a repeating unit represented by Formula 1; and at least one selected from an inorganic particle and an organic-inorganic particle, wherein the electrode-composite separator assembly does not have an exothermic peak between 400° C. to 480° C. when analyzed by differential scanning calorimetry, wherein Formula 1 is wherein, in Formula 1, R3 is hydrogen or a C1-C5 alkyl group, and R4 is a C1-C10 alkyl group. Also, a lithium battery including the electrode-composite separator assembly.
    Type: Grant
    Filed: May 31, 2016
    Date of Patent: April 7, 2020
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Jeongkuk Shon, Junhwan Ku, Minsang Song, Sangmin Ji, Hana Kim, Myungkook Park, Byungmin Lee, Jaeman Choi
  • Patent number: 10546177
    Abstract: A fingerprint verification method and a fingerprint verification apparatus performing the fingerprint verification method are disclosed. The fingerprint verification apparatus determines a first similarity between a query fingerprint image and each of registered fingerprint images, selects a target registered fingerprint image group from registered fingerprint image groups based on the first similarity, determines a second similarity between the query fingerprint image and each of registered fingerprint images in the target registered fingerprint image group based on matching relationship information between the registered fingerprint images in the target registered fingerprint image group, and determines whether fingerprint verification of the query fingerprint image is successful based on the second similarity.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: January 28, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hana Lee, Kyuhong Kim, Seon Min Rhee, Changkyu Choi
  • Publication number: 20200024430
    Abstract: The present disclosure relates to a reinforcing material for rubber including aluminosilicate particles and a rubber composition for tires including the same. The aluminosilicate particles included in the reinforcing material for rubber according to the present disclosure exhibit an enhanced reinforcing effect due to excellent dispersibility in the rubber composition, but do not hinder processability of the rubber composition. Therefore, the aluminosilicate particles can be suitably applied as a reinforcing material for rubber used in a rubber composition for tires.
    Type: Application
    Filed: January 31, 2019
    Publication date: January 23, 2020
    Inventors: Kwonil CHOI, Eunkyu SEONG, Hana LEE, Wooseok KIM, Myounghwan OH
  • Patent number: 10490794
    Abstract: An electrode-composite separator assembly for a lithium battery includes: an electrode; and a composite separator, wherein the composite separator includes: a copolymer including a first repeating unit represented by Formula 1, a second repeating unit represented by Formula 2, and a third repeating unit represented by Formula 3; at least one selected from an inorganic particle and an organic-inorganic particle; and at least one polymer selected from a fluorinated polymer and a heat-resistant polymer, wherein Formulas 1-3 are Also a lithium battery including the electrode composite separator assembly.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: November 26, 2019
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Junhwan Ku, Jeongkuk Shon, Minsang Song, Sangmin Ji, Jaeman Choi, Myungkook Park, Byungmin Lee, Hana Kim
  • Patent number: 10454086
    Abstract: A separator for a rechargeable lithium battery includes a substrate and a heat-resistant porous layer on at least one side of the substrate. The heat-resistant porous layer includes a crosslinked binder. The crosslinked binder has a cross-linked structure of a crosslinkable compound including a siloxane compound. The siloxane compound includes a siloxane resin including a unit represented by the chemical formula R1SiO3/2, where R1 is a curable reactive group, or an organic group having a curable reactive group.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: October 22, 2019
    Assignees: SAMSUNG SDI CO., LTD., SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Bokyung Jung, Byungmin Lee, Seungrim Yang, Myungkook Park, Eon-Mi Lee, Sungsoo Han, Hana Kim, Jungsue Jang, Minho Cho, Hyoungwoo Choi
  • Patent number: 10431798
    Abstract: Provided are a separator for a lithium secondary battery including a substrate and a heat-resistance porous layer disposed on at least one surface of the substrate and including a cross-linked binder, wherein the cross-linked binder has a cross-linking structure of a compound represented by Chemical Formula 2, and a lithium secondary battery including the same.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: October 1, 2019
    Assignees: Samsung SDI Co., Ltd., Samsung Electronics Co., Ltd.
    Inventors: Byungmin Lee, Myungkook Park, Seungrim Yang, Eon-Mi Lee, Bokyung Jung, Sungsoo Han, Hana Kim, Jungsue Jang, Minho Cho, Hyoungwoo Choi
  • Patent number: 10340493
    Abstract: A separator for a rechargeable battery includes a porous substrate and a heat-resistant layer disposed on at least one surface of the porous substrate, wherein the heat-resistant layer includes a compound represented by Chemical Formula 1 or a cross-linked product thereof and a rechargeable lithium battery includes the same. (R)n1—Ar—OH??[Chemical Formula 1] In Chemical Formula 1, Ar, R, and n1 are the same as described in the detailed description.
    Type: Grant
    Filed: October 31, 2016
    Date of Patent: July 2, 2019
    Assignees: Smasung SDI Co., Ltd., Samsung Electronics Co., Ltd.
    Inventors: Jungsue Jang, Minho Cho, Sung Soo Han, Hana Kim, Byungmin Lee, Jun Hyuk Moon, Myungkook Park, Seungrim Yang, Hyoungwoo Choi
  • Patent number: 10305081
    Abstract: A separator for a rechargeable battery includes a porous substrate and a heat-resistance layer disposed on at least one surface of the porous substrate, wherein the heat-resistance layer includes a cross-linkable binder, and the cross-linkable binder is derived from a polymer including a structural unit including an aromatic moiety and a (meth)acrylate group; and a rechargeable lithium battery includes the same.
    Type: Grant
    Filed: November 2, 2016
    Date of Patent: May 28, 2019
    Assignees: Samsung SDI Co., Ltd., Samsung Electronics Co., Ltd.
    Inventors: Minho Cho, Seungrim Yang, Hyoungwoo Choi, Hana Kim, Jun Hyuk Moon, Myungkook Park, Byungmin Lee, Jungsue Jang, Sung Soo Han
  • Publication number: 20190037831
    Abstract: The present invention relates to a medium composition for the cryopreservation of cells, which exhibits excellent cell recovery rates, cell viability rates and cell activity after thawing, and a pharmaceutical composition comprising the medium composition and therapeutic cells. Also, the medium composition of the present invention allows for readily administering the cryopreserved therapeutic cells to a subject without additional procedures such as washing, separation, etc. Therefore, the composition may be used as an excellent medium composition for cell cryopreservation or as an excellent therapeutic composition.
    Type: Application
    Filed: January 25, 2017
    Publication date: February 7, 2019
    Applicant: GREEN CROSS LAB CELL CORPORATION
    Inventors: Yu Kyeong HWANG, Bokyung MIN, Hana CHOI, Hyojin KIM
  • Patent number: 9834753
    Abstract: The present invention relates to a method for producing natural killer cells (hereinafter, referred to as “NK cells”), NK cells produced thereby, and a composition for treating cancers and infectious diseases containing the same. The present invention provides a method for producing NK cells, which maintain high cytotoxicity and cell viability to exhibit high therapeutic effects against cancers and infectious diseases and can be cultured ex vivo at high efficiency and high concentration. In addition, a culture method which maintains cell concentration at a constant level is used for the production of NK cells, and thus the overgrowth of the cells can be prevented so that the cells can be maintained at an optimal state. Particularly, even when the cells are thawed after freezing, the function of the cells is not impaired, and the NK cells can maintain high cell viability and cytotoxicity.
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: December 5, 2017
    Assignees: GREEN CROSS LABCELL, MOGAM BIOTECHNOLOGY INSTITUTE
    Inventors: Bokyung Min, Hana Choi, Okjae Lim, Jung Hyun Her, Sangmi Kang, Eun-Kyoung Lee, Hyejin Chung, Yu Kyeong Hwang
  • Publication number: 20170319621
    Abstract: The present invention relates to a method for producing natural killer cells using T cells, and more particularly, to a method for producing natural killer cells, which comprises culturing seed cells using CD4(+) T cells as feeder cells. The method for producing natural killer cells using T cells according to the present invention is a method capable of producing natural killer cells by selectively proliferating only natural killer cells from a small amount of seed cells while maintaining the high killing activity of the natural killer cells. The method of the present invention can produce a large amount of natural killer cells that can be frozen, and thus is useful for commercialization of cell therapeutic agents.
    Type: Application
    Filed: November 25, 2015
    Publication date: November 9, 2017
    Applicants: GREEN CROSS LAB CELL CORPORATION, MOGAM INSTITUTE FOR BIOMEDICAL RESEARCH
    Inventors: Bo Kyung MIN, Hana CHOI, Yu Kyeong HWANG
  • Publication number: 20150118207
    Abstract: The present invention relates to a method for producing natural killer cells (hereinafter, referred to as “NK cells”), NK cells produced thereby, and a composition for treating cancers and infectious diseases containing the same. The present invention provides a method for producing NK cells, which maintain high cytotoxicity and cell viability to exhibit high therapeutic effects against cancers and infectious diseases and can be cultured ex vivo at high efficiency and high concentration. In addition, a culture method which maintains cell concentration at a constant level is used for the production of NK cells, and thus the overgrowth of the cells can be prevented so that the cells can be maintained at an optimal state. Particularly, even when the cells are thawed after freezing, the function of the cells is not impaired, and the NK cells can maintain high cell viability and cytotoxicity.
    Type: Application
    Filed: December 18, 2012
    Publication date: April 30, 2015
    Applicants: Mogam Biotechnology Institute, Green Cross Labcell
    Inventors: Bokyung Min, Hana Choi, Okjae Lim, Jung Hyun Her, Sangmi Kang, Eun-Kyoung Lee, Hyejin Chung, Yu Kyeong Hwang
  • Patent number: D859182
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: September 10, 2019
    Inventor: Hana Choi
  • Patent number: D877168
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: March 3, 2020
    Assignee: LG Electronics Inc.
    Inventors: Byunghun Lee, Youngmin Kim, Junghoon Son, Hana Yoo, Nari Yoon, Kunsik Lee, Meeyeon Choi