Patents by Inventor Jong-Hwan Park

Jong-Hwan Park 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: 10826040
    Abstract: A separator for a rechargeable lithium battery includes a substrate; and a coating layer positioned on at least one side of the substrate, wherein a thickness ratio of the coating layer relative to the total thickness of the substrate and the coating layer ranges from about 5% to about 50%, and a loading level of the coating layer ranges from about 1.4 g/m2 to about 9.8 g/m2, and a rechargeable lithium battery including the same is provided.
    Type: Grant
    Filed: October 26, 2015
    Date of Patent: November 3, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Hyung-Bae Kim, Jong-Hwan Park, Byeong-Gyu Cho, Eun-Gyeong Lee, Jin-Hyuk In
  • 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: 10333124
    Abstract: A separator for a rechargeable lithium battery includes: a substrate; and a coating layer on at least one side of the substrate, the coating layer including an acrylic-based copolymer obtained from polymerization of a (meth)acrylate salt and (meth)acrylonitrile, and a polyvinyl alcohol-based compound. A rechargeable lithium battery including the separator is also provided.
    Type: Grant
    Filed: November 2, 2015
    Date of Patent: June 25, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jong-Hwan Park, Byeong-Gyu Cho, Hyung-Bae Kim, Eun-Gyeong Lee, Jin-Hyuk In
  • Publication number: 20180050056
    Abstract: Provided are a conjugate including a core and sialic acids or derivatives thereof bound to the surface of the core, and use thereof. The conjugate provided in the present invention binds with hemagglutinin on the surface of influenza virus to inhibit the course of infection of influenza virus, thereby preventing or treating infection of influenza virus and also preventing or treating infection of influenza virus resistant to antiviral agents. Accordingly, the conjugate may be widely used in the development of prophylactic or therapeutic agents for influenza virus infection.
    Type: Application
    Filed: August 17, 2017
    Publication date: February 22, 2018
    Inventors: Jong Hwan Kwak, Kyung Bok Lee, Jong-Hwan Park, Dong Hee Na, Seok-Joon Kwon, Robert J. Linhardt, Jonathan S. Dordick, Fuming Zhang
  • 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: 9634309
    Abstract: A separator for a battery, a battery, and a method of preparing a graft copolymer for a binder, the separator including a porous substrate; a coating layer on at least one surface of the porous substrate, the coating layer including an inorganic oxide; and a binder between the porous substrate and the inorganic oxide or between adjacent particles of the inorganic oxide, the binder including a graft copolymer, wherein the graft copolymer has a backbone of a polyvinylidene fluoride-based polymer or a polyvinylidene fluoride-based copolymer, and a pendant chain grafted to the backbone, the pendant chain including a hydrophilic repeating unit, and fluorine atoms in the backbone of the graft copolymer are partially substituted with at least one of chlorine, bromine, or iodine.
    Type: Grant
    Filed: October 16, 2014
    Date of Patent: April 25, 2017
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: June Park, Takahiro Endo, Jung-Hyun Nam, Jong-Hwan Park, Iwao Fukuchi
  • 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: 9472806
    Abstract: A polymer including a first repeating unit represented by Formula 1 and a second repeating unit including a substituted or unsubstituted C2-C30 alkenyl group: wherein, in Formula 1, groups R, R?, A, A?, Y, and Y? are defined in the specification.
    Type: Grant
    Filed: March 31, 2014
    Date of Patent: October 18, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung-sik Hwang, Jong-hwan Park, Jae-man Choi
  • Patent number: 9426506
    Abstract: An apparatus for providing an augmented broadcasting service and an apparatus for receiving the augmented broadcasting service in a hybrid broadcasting environment. The apparatus for providing the augmented broadcasting service includes: a real-time data provider configured to provide real-time data through a first transmission network; an augmented content provider configured to provide augmented content through a second transmission network, wherein the augmented content is to be synchronized with the real-time data; and a multiplexer configured to multiplex the real-time data, the augmented content metadata and timing information for synchronization between the real-time data and the augmented content metadata, and output resulting data.
    Type: Grant
    Filed: August 22, 2013
    Date of Patent: August 23, 2016
    Assignees: UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY, Electronics and Telecommunications Research Institute
    Inventors: Soon-Choul Kim, Jeoung-Lak Ha, Jung-Hak Kim, Bum-Suk Choi, Young-Ho Jeong, Jin-Woo Hong, Kyuheon Kim, Jong-Hwan Park, Min-Woo Jo, Gwang-Hoon Park, Doug Young Suh
  • Patent number: 9419798
    Abstract: A public encryption method based on user ID includes: setting, by a key generation server, at least one public parameter and master key used for generating a private key; receiving, by the key generation server, an inherent ID of a user from a receiving terminal, generating a private key based on the public parameter, the master key and the ID, and transmitting the generated private key to the receiving terminal; receiving, by a transmitting terminal, the public parameter and the ID from the key generation server, encrypting a message to generate a ciphertext, and transmitting the generated ciphertext to the receiving terminal; and receiving, by the receiving terminal, the ciphertext and the private key, and decrypting the ciphertext based on the received private key to obtain a message.
    Type: Grant
    Filed: January 17, 2014
    Date of Patent: August 16, 2016
    Assignee: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Dong Hoon Lee, Jong-Hwan Park, Woo-Kwon Koo
  • Publication number: 20160149189
    Abstract: A separator for a rechargeable lithium battery includes: a substrate; and a coating layer on at least one side of the substrate, the coating layer including an acrylic-based copolymer obtained from polymerization of a (meth)acrylate salt and (meth)acrylonitrile, and a polyvinyl alcohol-based compound. A rechargeable lithium battery including the separator is also provided.
    Type: Application
    Filed: November 2, 2015
    Publication date: May 26, 2016
    Inventors: Jong-Hwan Park, Byeong-Gyu Cho, Hyung-Bae Kim, Eun-Gyeong Lee, Jin-Hyuk In
  • Publication number: 20160149188
    Abstract: A separator for a rechargeable lithium battery includes a substrate; and a coating layer positioned on at least one side of the substrate, wherein a thickness ratio of the coating layer relative to the total thickness of the substrate and the coating layer ranges from about 5% to about 50%, and a loading level of the coating layer ranges from about 1.4 g/m2 to about 9.8 g/m2, and a rechargeable lithium battery including the same is provided.
    Type: Application
    Filed: October 26, 2015
    Publication date: May 26, 2016
    Inventors: Hyung-Bae Kim, Jong-Hwan Park, Byeong-Gyu Cho, Eun-Gyeong Lee, Jin-Hyuk In
  • 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: 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: 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: 20150155539
    Abstract: A separator for a battery, a battery, and a method of preparing a graft copolymer for a binder, the separator including a porous substrate; a coating layer on at least one surface of the porous substrate, the coating layer including an inorganic oxide; and a binder between the porous substrate and the inorganic oxide or between adjacent particles of the inorganic oxide, the binder including a graft copolymer, wherein the graft copolymer has a backbone of a polyvinylidene fluoride-based polymer or a polyvinylidene fluoride-based copolymer, and a pendant chain grafted to the backbone, the pendant chain including a hydrophilic repeating unit, and fluorine atoms in the backbone of the graft copolymer are partially substituted with at least one of chlorine, bromine, or iodine.
    Type: Application
    Filed: October 16, 2014
    Publication date: June 4, 2015
    Inventors: June PARK, Takahiro ENDO, Jung-Hyun NAM, Jong-Hwan PARK, Iwao FUKUCHI
  • 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