Patents by Inventor Hee Ahn

Hee Ahn 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: 11024834
    Abstract: The present invention relates to an electrode coating apparatus that is capable of adjusting a temperature of electrode slurry. Also, the electrode coating apparatus for applying electrode slurry to an electrode collector includes a storage part storing the electrode slurry, a discharge part discharging the electrode slurry stored in the storage part to the electrode collector, and a heating part heating the discharge part.
    Type: Grant
    Filed: September 4, 2017
    Date of Patent: June 1, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Hee Seok Jeong, Myung Ki Lee, Jooyong Song, Ji Hee Ahn
  • Patent number: 11024909
    Abstract: The present invention relates to a secondary battery that is capable of preventing short circuit from occurring when a nail test is performed. Also, the secondary battery includes a case accommodating an electrolyte and an electrode assembly therein, and the case includes an external layer exposed to the outside, an internal layer disposed in the case, and a short-circuit prevention layer provided in a liquid phase between the external layer and the internal layer.
    Type: Grant
    Filed: August 22, 2017
    Date of Patent: June 1, 2021
    Inventors: Jooyong Song, Myung Ki Lee, Hee Seok Jeong, Ji Hee Ahn
  • Publication number: 20210155634
    Abstract: The present invention relates to a novel tryptophan hydroxylase inhibitor and a pharmaceutical composition including same, wherein the novel tryptophan hydroxylase inhibitor has an excellent inhibitory effect on TPH1, and thus can be usefully used for the prevention or treatment of disorders, such as metabolic disorders, cancer, digestive or cardiovascular system disorders, related to TPH1 activity. In particular, the novel tryptophan hydroxylase inhibitor has an excellent treatment effect on inflammatory bowel disorders, and thus can be usefully used for the treatment of inflammatory bowel disorder.
    Type: Application
    Filed: August 24, 2018
    Publication date: May 27, 2021
    Inventors: Jin Hee Ahn, Hail Kim, Jaemyoung Suh, In-Kyu Lee, Kwang-eun Kim, Kun-Young Park, Eun Jung Bae, Ko Eun Shong, Suvarna Haus-habhau Pagire, Ajin Lim, Jae-Han Jeon, Haushabhau Shivaji Pagire, Haiying Zhang, Myung-Hwa Kim, Jung-In Pyo
  • Publication number: 20210128933
    Abstract: Disclosed herein is a capsule type photodynamic therapy apparatus. The apparatus has an anchor packaged with a silicone dome to anchor the apparatus to target tissue in a body by an endoscope, and includes a battery to communicate with an external device via human body communication in the silicone dome, and is repeatedly operated several times under the control of the external device to irradiate the target tissue with a therapeutic light source and thereby repeatedly treat the target tissue several times.
    Type: Application
    Filed: November 15, 2019
    Publication date: May 6, 2021
    Applicant: KOREA PHOTONICS TECHNOLOGY INSTITUTE
    Inventors: GiDong SA, Ja-Yeon KIM, Sun-Hee AHN, JinYoung AN, Sa-Ung KIM, EunBee KIM, Ji-Ho JEONG
  • Patent number: 10991973
    Abstract: A lithium ion secondary battery including a plurality of electrode laminates, each electrode laminate including a positive electrode, a separator, and a negative electrode being alternatively laminated, each positive electrode and negative electrode having respective positive and negative electrode tabs protruding from a respective line segment, the positive electrode tabs of adjacent electrode laminates face each other and are connected to each other to provide a positive electrode tab bundle and the negative electrode tabs of the adjacent electrode laminates face each other and are connected to each other to provide a negative electrode tab bundle.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: April 27, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Myung Ki Lee, Jooyong Song, Hee Seok Jeong, Ji Hee Ahn
  • Patent number: 10975021
    Abstract: The present invention relates to a method for preparing an aliphatic isocyanate capable of suppressing the occurrence of side reactions and the production of by-products. The method for preparing an aliphatic isocyanate comprises a step of reacting a salt of an aliphatic amine with phosgene, wherein the reaction step comprises a first reaction step in which phosgene is primarily added and reacted with the salt of an aliphatic amine salt at a temperature of 80 to 100° C., and a second reaction step in which phosgene is secondarily added and reacted with the resultant product of the first reaction step at a temperature of 120 to 160° C., and wherein the amount of the primarily added phosgene is a certain ratio of the total amount of the phosgene.
    Type: Grant
    Filed: September 3, 2018
    Date of Patent: April 13, 2021
    Assignee: HANWHA SOLUTIONS CORPORATION
    Inventors: Byeong Hyeon Lee, Ju Young Park, Cho Hee Ahn, Sang Hyun Cho
  • Publication number: 20210079157
    Abstract: Provided are a polyester resin having a high residual rate of isosorbide, thereby exhibiting excellent heat resistance, excellent mechanical properties such as tensile strength, Young's modulus, etc., and excellent appearance properties and transparency, and a preparation method thereof.
    Type: Application
    Filed: March 5, 2019
    Publication date: March 18, 2021
    Inventors: Ji-Hyun KIM, Jong Ryang KIM, Cheol Hee AHN
  • Publication number: 20210070718
    Abstract: The present invention relates to a novel phenylsulfonyl oxazole derivative and a use thereof and specifically, to a compound represented by Chemical Formula 1 in the present specification or a pharmaceutically acceptable salt thereof, and to a use thereof for prevention, treatment, or improvement of neurodegenerative disease.
    Type: Application
    Filed: January 10, 2019
    Publication date: March 11, 2021
    Inventors: Jae Sung BAE, Hee Kyung JIN, Myung Shik LEE, Hye Jin LIM, Jin Hee AHN, Haushabhau Shivaji PAGIRE, Min Jae Lee
  • Patent number: 10941110
    Abstract: The present invention relates to a method for preparing an aliphatic isocyanate capable of suppressing the occurrence of side reactions and the production of by-products. The method for preparing an aliphatic isocyanate comprises a step of reacting a salt of an aliphatic amine with phosgene, wherein the reaction step comprises a first reaction step in which phosgene is primarily added and reacted with the salt of an aliphatic amine salt at a temperature of 80 to 100° C., and a second reaction step in which phosgene is secondarily added and reacted with the resultant product of the first reaction step at a temperature of 120 to 160° C., and wherein the amount of the primarily added phosgene is a certain ratio of the total amount of the phosgene.
    Type: Grant
    Filed: September 3, 2018
    Date of Patent: March 9, 2021
    Assignee: HANWHA SOLUTIONS CORPORATION
    Inventors: Byeong Hyeon Lee, Ju Young Park, Cho Hee Ahn, Sang Hyun Cho
  • Publication number: 20210020917
    Abstract: The present disclosure relates to an electrode for an all solid-state battery and a method for manufacturing the same. The electrode comprises an electrode active material layer, wherein the gaps between the electrode active material particles forming the electrode active material layer are filled with a mixture of a polymeric solid electrolyte, oxidation-/reduction-improving additive and a conductive material. The method for manufacturing the electrode comprises a solvent annealing process, and the dissociation degree and transportability of the oxidation-/reduction-improving additive are increased through the solvent annealing process, thereby improving the life characteristics of a battery.
    Type: Application
    Filed: May 3, 2019
    Publication date: January 21, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Jung-Pil Lee, Ji-Hee Ahn, Sung-Joong Kang, Jae-Hyun Lee
  • Patent number: 10881642
    Abstract: Provided are a compound of chemical formula 1 or 2 and a use thereof. The compound can be advantageously used in the prevention or treatment of metabolic diseases including type 2 diabetes, insulin resistance, or obesity, on the basis of a mechanism of autophagy activation through the promotion of lysosome production.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: January 5, 2021
    Assignees: Industry-Academic Cooperation Foundation, Yonsei University, Gwangju Institute of Science and Technology
    Inventors: Myung-Shik Lee, Hyejin Lim, Young Eui Jeon, Jin Hee Ahn, H. S. Pagire
  • Publication number: 20200339750
    Abstract: Provided are a method for preparing a polyetherketoneketone and a polyetherketoneketone prepared thereby, wherein, at the time of a polymerization reaction, nitrogen gas is blown into a liquid reaction medium while stirring, thereby quickly removing hydrochloric acid, which is a by-product generated during the reaction, and preventing aggregation of resin particles, thus suppressing the generation of scales.
    Type: Application
    Filed: November 16, 2018
    Publication date: October 29, 2020
    Applicant: HANWHA CHEMICAL CORPORATION
    Inventors: Kwang Seok JEONG, Min Sung KIM, Jae Heon KIM, Ju Young PARK, Cho Hee AHN, Byeong Hyeon LEE, Sang Hyun CHO
  • Patent number: 10818907
    Abstract: A method of preparing an electrode for a secondary battery including: (a) a process of partially coating an electrode slurry containing an electrode mixture and a solvent on an electrode sheet so that coated portions are positioned with an uncoated portion interposed therebetween; (b) a process of drying the coated portions to remove the solvent; and (c) a process of rolling the dried coated portions, wherein a thickness of the coated portion is decreased and the electrode mixture moves to the uncoated portions, resulting in the coated portions disappearing, in the process (c).
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: October 27, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Ji Hee Ahn, Eun Ju Lee, Myung Ki Lee, Joo Yong Song, Hee Seok Jeong
  • Patent number: 10776580
    Abstract: Provided is a method of providing an unmanned dialogue service according to an embodiment of the inventive concept. The method includes transmitting or receiving text message data constituting a dialogue to or from a user terminal, analyzing the dialogue and determining whether an abnormal situation has occurred, transmitting an assistance request including information regarding the dialogue to a human agent management apparatus when it is determined that the abnormal situation has occurred, receiving dialogue advancement guide information, which is a response to the assistance request, from the human agent management apparatus, wherein the dialogue advancement guide information is configured using input data of a human agent input to a human agent terminal connected to the human agent management apparatus and configured to receive a task for processing the assistance request allocated by the human agent management apparatus, and continuing the dialogue using the dialogue advancement guide information.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: September 15, 2020
    Assignee: SAMSUNG SDS CO., LTD.
    Inventors: Jin Woon Kim, Chang Pil Kim, Ji Hun Kim, Joon Won Lee, Bong Won Nah, Byung Jae Park, Seul Gi Kang, Jin Soo Lee, Keum Sik Im, Joo Hee Ahn, Young Min Park, Jean Su Byun
  • Publication number: 20200285660
    Abstract: Provided is a method of providing an unmanned dialogue service according to an embodiment of the inventive concept. The method includes transmitting or receiving text message data constituting a dialogue to or from a user terminal in an unmanned dialogue model, analyzing the dialogue to determine whether a counselor switching situation has occurred, transmitting a dialogue handover request including information regarding the dialogue to a counselor management apparatus when it is determined that the counselor switching situation has occurred, and automatically switching into a mode for relaying transmission or reception of messages between the user terminal and a counselor terminal that receives a task for processing the dialogue handover request allocated by the counselor management apparatus.
    Type: Application
    Filed: May 22, 2020
    Publication date: September 10, 2020
    Applicant: SAMSUNG SDS CO., LTD.
    Inventors: Jin Woon KIM, Chang Pil KIM, Ji Hun KIM, Joon Won LEE, Bong Won NAH, Byung Jae PARK, Seul Gi KANG, Jin Soo LEE, Keum Sik IM, Joo Hee AHN, Young Min PARK, Jean Su BYUN
  • Patent number: 10763508
    Abstract: The present invention provides a binder for secondary battery contained in an electrode mixture, comprising a binder molecule exhibiting an adhesion to a current collector and active material particles, and a magnetic material displaying magnetism for a magnetic field applied from outside.
    Type: Grant
    Filed: July 21, 2016
    Date of Patent: September 1, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Jooyong Song, Ji Hee Ahn, Ji Eun Lee
  • Patent number: 10698933
    Abstract: Provided is a method of providing an unmanned dialogue service according to an embodiment of the inventive concept. The method includes transmitting or receiving text message data constituting a dialogue to or from a user terminal in an unmanned dialogue model, analyzing the dialogue to determine whether a counselor switching situation has occurred, transmitting a dialogue handover request including information regarding the dialogue to a counselor management apparatus when it is determined that the counselor switching situation has occurred, and automatically switching into a mode for relaying transmission or reception of messages between the user terminal and a counselor terminal that receives a task for processing the dialogue handover request allocated by the counselor management apparatus.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: June 30, 2020
    Assignee: SAMSUNG SDS CO., LTD.
    Inventors: Jin Woon Kim, Chang Pil Kim, Ji Hun Kim, Joon Won Lee, Bong Won Nah, Byung Jae Park, Seul Gi Kang, Jin Soo Lee, Keum Sik Im, Joo Hee Ahn, Young Min Park, Jean Su Byun
  • Patent number: 10689701
    Abstract: Disclosed herein are biomarkers useful for identifying and/or classifying bacterial infections in a subject.
    Type: Grant
    Filed: March 15, 2014
    Date of Patent: June 23, 2020
    Assignee: Duke University
    Inventors: Ephraim Tsalik, Vance Fowler, Christopher W. Woods, Joseph E. Lucas, Geoffrey S. Ginsburg, Sun Hee Ahn
  • Publication number: 20200190022
    Abstract: The present invention relates to a method for preparing an aliphatic isocyanate capable of suppressing the occurrence of side reactions and the production of by-products. The method for preparing an aliphatic isocyanate comprises a step of reacting a salt of an aliphatic amine with phosgene, wherein the reaction step comprises a first reaction step in which phosgene is primarily added and reacted with the salt of an aliphatic amine salt at a temperature of 80 to 100° C., and a second reaction step in which phosgene is secondarily added and reacted with the resultant product of the first reaction step at a temperature of 120 to 160° C., and wherein the amount of the primarily added phosgene is a certain ratio of the total amount of the phosgene.
    Type: Application
    Filed: September 3, 2018
    Publication date: June 18, 2020
    Inventors: Byeong Hyeon LEE, Ju Young PARK, Cho Hee AHN, Sang Hyun CHO
  • Patent number: 10654796
    Abstract: Provided is a method capable of preparing high-purity aliphatic isocyanate, particularly, xylylene isocyanate in a high yield in a simple manner without an additional separate process, wherein when aliphatic isocyanate is prepared using phosgene, a side-reaction inhibitor capable of inhibiting side-reactions is introduced during phosgenation.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: May 19, 2020
    Assignee: HANWHA CHEMICAL CORPORATION
    Inventors: Ju Young Park, Cho Hee Ahn, Seung Won Chae, Jeon Sik Kim, Sang Hyun Cho