Patents by Inventor Yeon-Joo Choi

Yeon-Joo 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: 20240131232
    Abstract: Disclosed is an anti-adhesion agent composition which uses a high molecular weight compound having biocompatibility and an oil derived from animals, plants, and minerals so as to improve low viscosity and low strength, which are problems of existing anti-adhesion agents, and prevent adhesion between living tissues. The anti-adhesion composition according to the present disclosure performs a physical barrier function through simple mixing of a polymer material, serving as a physical barrier in its anti-adhesion effect, and a solvent, and remains in the body for a certain period of time, then decomposes, absorbs, and is excreted. The anti-adhesion composition does not interfere with the healing of the wound after surgery, and exhibits an excellent effect of convenient application to the surgical site.
    Type: Application
    Filed: June 13, 2022
    Publication date: April 25, 2024
    Inventors: Sung Joo Hwang, Dong Min Kim, Ji Eun Kim, Yeon Ju Choi, Yong Kyung Hwang
  • Patent number: 11661464
    Abstract: A protein transduction domain and a fusion compound, which are more efficient, are proposed. As a result of selecting and testing a number of candidate peptides, the present inventors found that a GK1 peptide comprising 18 amino acids and a modified sequence obtained by replacing, adding, or deleting some sequences are bonded to high-molecular-weight materials such as proteins based on the basic sequence of the peptide, thus enabling the high-molecular-weight materials to smoothly penetrate into living bodies, for example, cells, tissues, or blood. A fusion compound, oligonucleotide, or vector using the same may be applied as a pharmaceutical composition for preventing or treating diseases.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: May 30, 2023
    Assignee: Genesen Co., Ltd.
    Inventors: Soo-Young Choi, Jin-Seu Park, Kyuhyung Han, Keunwook Lee, Jong Kook Park, Sunghou Lee, Sung Ho Lee, Soojung Park, Won Sik Eum, Min Jea Shin, Hyeon Ji Yeo, Eun Ji Yeo, Yeon Joo Choi, Eun Jeong Sohn, Hyun Ju Cha, Hyun Jung Kwon, Dae Won Kim
  • Publication number: 20210355240
    Abstract: A protein transduction domain and a fusion compound, which are more efficient, are proposed. As a result of selecting and testing a number of candidate peptides, the present inventors found that a GK1 peptide comprising 18 amino acids and a modified sequence obtained by replacing, adding, or deleting some sequences are bonded to high-molecular-weight materials such as proteins based on the basic sequence of the peptide, thus enabling the high-molecular-weight materials to smoothly penetrate into living bodies, for example, cells, tissues, or blood. A fusion compound, oligonucleotide, or vector using the same may be applied as a pharmaceutical composition for preventing or treating diseases.
    Type: Application
    Filed: October 30, 2020
    Publication date: November 18, 2021
    Inventors: Soo-Young CHOI, Jin-Seu PARK, Kyuhyung HAN, Keunwook LEE, Jong Kook PARK, Sunghou LEE, Sung Ho LEE, Soojung PARK, Won Sik EUM, Min Jea SHIN, Hyeon Ji YEO, Eun Ji YEO, Yeon Joo CHOI, Eun Jeong SOHN, Hyun Ju CHA, Hyun Jung KWON, Dae Won KIM
  • Patent number: 10541401
    Abstract: A separator for a rechargeable lithium battery includes a substrate, an organic layer positioned on at least one side of the substrate and including an organic material and an inorganic layer positioned on at least one side of the substrate and including an inorganic material, wherein the organic material includes two or more kinds of organic particles having different particle sizes from each other.
    Type: Grant
    Filed: September 1, 2015
    Date of Patent: January 21, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Eon-Mi Lee, Jong-Hwan Park, Jung-Hyun Nam, Yeon-Joo Choi, Hoon Seok, Ae-Hui Goh
  • Patent number: 10529972
    Abstract: A separator for a rechargeable lithium battery includes a substrate; an organic layer on at least one side of the substrate and including an organic material; and an inorganic layer on at least one side of the substrate and including an inorganic material, where the organic material includes two or more organic particles having respective melting points that are different from each other. A rechargeable lithium battery includes the separator.
    Type: Grant
    Filed: September 15, 2015
    Date of Patent: January 7, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Hoon Seok, Jong-Hwan Park, Jung-Hyun Nam, Eon-Mi Lee, Yeon-Joo Choi, Ae-Hui Goh
  • Publication number: 20190341656
    Abstract: A negative electrode for a rechargeable lithium battery, the negative electrode including: a current collector; a negative active material layer on the current collector; and a coating layer directly contacting the negative active material layer, the coating layer including an organic material and an inorganic material, is disclosed. A rechargeable lithium battery including the same is also disclosed.
    Type: Application
    Filed: July 11, 2019
    Publication date: November 7, 2019
    Inventors: Jung-Hyun Nam, Jong-Hwan Park, Yeon-Joo Choi, Eon-Mi Lee, Hoon Seok
  • Patent number: 10381690
    Abstract: A negative electrode for a rechargeable lithium battery, the negative electrode including: a current collector; a negative active material layer on the current collector; and a coating layer directly contacting the negative active material layer, the coating layer including an organic material and an inorganic material, is disclosed. A rechargeable lithium battery including the same is also disclosed.
    Type: Grant
    Filed: March 27, 2014
    Date of Patent: August 13, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jung-Hyun Nam, Jong-Hwan Park, Yeon-Joo Choi, Eon-Mi Lee, Hoon Seok
  • Patent number: 9722224
    Abstract: A separator for a battery and an electronic device, the separator including a separator substrate; and a separator coating layer coated on at least one surface of the separator substrate, the separator coating layer including a binder and at least one quaternary ammonium salt.
    Type: Grant
    Filed: June 13, 2014
    Date of Patent: August 1, 2017
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Yeon-Joo Choi, Jong-Hwan Park, Jung-Hyun Nam, Hoon Seok
  • Patent number: 9553293
    Abstract: A rechargeable lithium battery includes a positive electrode, a negative electrode, and a separator between the positive electrode and the negative electrode. The separator includes a substrate having a first side facing the negative electrode and a second side facing the positive electrode. A first layer is positioned on the first side of the substrate and includes an organic material, and a second layer is positioned on the second side of the substrate and includes an inorganic material.
    Type: Grant
    Filed: July 9, 2014
    Date of Patent: January 24, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jung-Hyun Nam, Jong-Hwan Park, Yeon-Joo Choi, Eon-Mi Lee, Hoon Seok
  • Patent number: 9419305
    Abstract: An electrolyte for rechargeable lithium battery includes a lithium salt, a non-aqueous organic solvent, a first additive represented by the following Chemical Formula 1, and a second additive represented by the following Chemical Formula 2. A rechargeable lithium battery includes the electrolyte.
    Type: Grant
    Filed: April 29, 2013
    Date of Patent: August 16, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Yeon-Joo Choi, Young-Kee Kim, Sumihito Ishida
  • Publication number: 20160141579
    Abstract: A separator for a rechargeable lithium battery includes a substrate; an organic layer on at least one side of the substrate and including an organic material; and an inorganic layer on at least one side of the substrate and including an inorganic material, where the organic material includes two or more organic particles having respective melting points that are different from each other. A rechargeable lithium battery includes the separator.
    Type: Application
    Filed: September 15, 2015
    Publication date: May 19, 2016
    Inventors: Hoon Seok, Jong-Hwan Park, Jung-Hyun Nam, Eon-Mi Lee, Yeon-Joo Choi, Ae-Hui Goh
  • Publication number: 20160141576
    Abstract: A separator for a rechargeable lithium battery includes a substrate, an organic layer positioned on at least one side of the substrate and including an organic material and an inorganic layer positioned on at least one side of the substrate and including an inorganic material, wherein the organic material includes two or more kinds of organic particles having different particle sizes from each other.
    Type: Application
    Filed: September 1, 2015
    Publication date: May 19, 2016
    Inventors: Eon-Mi Lee, Jong-Hwan Park, Jung-Hyun Nam, Yeon-Joo Choi, Hoon Seok, Ae-Hui Goh
  • Publication number: 20160133903
    Abstract: A separator for a rechargeable lithium battery and a rechargeable lithium battery including the same, the separator including a substrate; and a coating layer on at least one side of the substrate, wherein the coating layer includes a polyvinylidene fluoride-containing compound, and an acryl-containing compound represented by the following Chemical Formula 1:
    Type: Application
    Filed: September 4, 2015
    Publication date: May 12, 2016
    Inventors: Yeon-Joo CHOI, Jong-Hwan PARK, Jung-Hyun NAM, Eun-Gyeong LEE
  • Publication number: 20150111087
    Abstract: A separator for a battery and an electronic device, the separator including a separator substrate; and a separator coating layer coated on at least one surface of the separator substrate, the separator coating layer including a binder and at least one quaternary ammonium salt.
    Type: Application
    Filed: June 13, 2014
    Publication date: April 23, 2015
    Inventors: Yeon-Joo CHOI, Jong-Hwan PARK, Jung-Hyun NAM, Hoon SEOK
  • Publication number: 20150050533
    Abstract: A negative electrode for a rechargeable lithium battery, the negative electrode including: a current collector; a negative active material layer on the current collector; and a coating layer directly contacting the negative active material layer, the coating layer including an organic material and an inorganic material, is disclosed. A rechargeable lithium battery including the same is also disclosed.
    Type: Application
    Filed: March 27, 2014
    Publication date: February 19, 2015
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Jung-Hyun Nam, Jong-Hwan Park, Yeon-Joo Choi, Eon-Mi Lee, Hoon Seok
  • Publication number: 20150050544
    Abstract: A rechargeable lithium battery includes a positive electrode, a negative electrode, and a separator between the positive electrode and the negative electrode. The separator includes a substrate having a first side facing the negative electrode and a second side facing the positive electrode. A first layer is positioned on the first side of the substrate and includes an organic material, and a second layer is positioned on the second side of the substrate and includes an inorganic material.
    Type: Application
    Filed: July 9, 2014
    Publication date: February 19, 2015
    Inventors: Jung-Hyun Nam, Jong-Hwan Park, Yeon-Joo Choi, Eon-Mi Lee, Hoon Seok
  • Publication number: 20130288139
    Abstract: An electrolyte for rechargeable lithium battery includes a lithium salt, a non-aqueous organic solvent, a first additive represented by the following Chemical Formula 1, and a second additive represented by the following Chemical Formula 2. A rechargeable lithium battery includes the electrolyte.
    Type: Application
    Filed: April 29, 2013
    Publication date: October 31, 2013
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Yeon-Joo Choi, Young-Kee Kim, Sumihito Ishida
  • Patent number: 8227972
    Abstract: A display filter includes a base film disposed on a display panel. The base film includes a phototransmissive unit having a constant horizontal cross-sectional area, and a light absorbing unit which includes a light absorbing material and surrounds the phototransmissive unit. A plasma display panel (PDP) may include the display filter. The display filter may improve ambient contrast by increasing the transmittance of light emitted by a display panel and by blocking externally incident light.
    Type: Grant
    Filed: July 1, 2010
    Date of Patent: July 24, 2012
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Yeon-Joo Choi, Cha-Won Hwang, Sang-Mi Lee, Seung-Goo Baek
  • Patent number: 8188659
    Abstract: An electrode composition includes a metal in an amount of about 52% to about 62% by weight of the composition, a glass insulation material in an amount of about 5% to about 7% by weight of the composition, a coloring agent in an amount of about 3% to about 9% by weight of the composition, and a vehicle.
    Type: Grant
    Filed: April 8, 2008
    Date of Patent: May 29, 2012
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Chul-Hong Kim, Jung-Keun Ahn, Hyun-Mi Jeong, Yeon-Joo Choi
  • Publication number: 20110031872
    Abstract: A display filter includes a base film disposed on a display panel. The base film includes a phototransmissive unit having a constant horizontal cross-sectional area, and a light absorbing unit which includes a light absorbing material and surrounds the phototransmissive unit. A plasma display panel (PDP) may include the display filter. The display filter may improve ambient contrast by increasing the transmittance of light emitted by a display panel and by blocking externally incident light.
    Type: Application
    Filed: July 1, 2010
    Publication date: February 10, 2011
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Yeon-Joo Choi, Cha-Won Hwang, Sang-Mi Lee, Seung-Goo Baek