Patents by Inventor Chaenam IM

Chaenam IM 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: 11916261
    Abstract: Provided are a thermal battery system and an ignition method of the same, wherein the thermal battery system includes: a thermal battery assembly including a plurality of thermal batteries arranged in series and in parallel; an ignition circuit connected to the plurality of thermal batteries in the thermal battery assembly; and a control unit configured to control the ignition circuit such that each of the plurality of thermal batteries in the thermal battery assembly is selectively ignited, wherein the control unit is configured to selectively ignite one of the plurality of thermal batteries in an active matrix manner by controlling an ignition circuit.
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: February 27, 2024
    Assignee: AGENCY FOR DEFENSE DEVELOPMENT
    Inventors: Chaenam Im, Jae In Lee, Hyunki Yoon, Yusong Choi, Jang Hyeon Cho
  • Publication number: 20220190358
    Abstract: Provided are a thermal battery system and an ignition method of the same, wherein the thermal battery system includes: a thermal battery assembly including a plurality of thermal batteries arranged in series and in parallel; an ignition circuit connected to the plurality of thermal batteries in the thermal battery assembly; and a control unit configured to control the ignition circuit such that each of the plurality of thermal batteries in the thermal battery assembly is selectively ignited, wherein the control unit is configured to selectively ignite one of the plurality of thermal batteries in an active matrix manner by controlling an ignition circuit.
    Type: Application
    Filed: December 9, 2021
    Publication date: June 16, 2022
    Inventors: Chaenam Im, Jae In Lee, Hyunki Yoon, Yusong Choi, Jang Hyeon Cho
  • Patent number: 9469573
    Abstract: This invention relates to a method of manufacturing a salt-coated heat paper, including preparing a powder mixture by mixing a fuel powder with an oxidant powder; preparing a slurry by adding an organic coagulant, after mixing the powder mixture with glass fibers; obtaining a heat paper by a papermaking process utilizing the slurry; primarily drying the heat paper by pressing; coating the heat paper with a salt solution; and secondarily drying the heat paper.
    Type: Grant
    Filed: October 28, 2014
    Date of Patent: October 18, 2016
    Assignee: AGENCY FOR DEFENSE DEVELOPMENT
    Inventors: Chaenam Im, Jungmin Lee, Seungho Kang, Haewon Cheong
  • Publication number: 20150274607
    Abstract: This invention relates to a method of manufacturing a salt-coated heat paper, including preparing a powder mixture by mixing a fuel powder with an oxidant powder; preparing a slurry by adding an organic coagulant, after mixing the powder mixture with glass fibers; obtaining a heat paper by a papermaking process utilizing the slurry; primarily drying the heat paper by pressing; coating the heat paper with a salt solution; and secondarily drying the heat paper.
    Type: Application
    Filed: October 28, 2014
    Publication date: October 1, 2015
    Inventors: Chaenam IM, Jungmin LEE, Seungho KANG, Haewon CHEONG