Patents by Inventor Hiroko TAKAYANAGI

Hiroko TAKAYANAGI 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).

  • Electrochemical device and solid-state lithium ion rechargeable battery
    Patent number: 11374261
    Abstract: An electrochemical device has a laminated body including: a positive electrode; a negative electrode; and a solid electrolyte sandwiched between the positive electrode and the negative electrode, wherein the laminated body contains water, a content of the water contained in the laminated body is 0.001 mass % or more and less than 0.3 mass % with respect to the laminated body, a part of the water is a bound water bonding with a constituent of the laminated body, and a ratio of the bound water in the water is 50% or more and 90% or less.
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: June 28, 2022
    Assignee: TDK CORPORATION
    Inventors: Masahiro Oishi, Hisaji Oyake, Hiroshi Sato, Hiroko Takayanagi, Gakuho Isomichi
  • ELECTROCHEMICAL DEVICE AND SOLID-STATE LITHIUM ION RECHARGEABLE BATTERY
    Publication number: 20200014070
    Abstract: An electrochemical device has a laminated body including: a positive electrode; a negative electrode; and a solid electrolyte sandwiched between the positive electrode and the negative electrode, wherein the laminated body contains water, a content of the water contained in the laminated body is 0.001 mass % or more and less than 0.3 mass % with respect to the laminated body, a part of the water is a bound water bonding with a constituent of the laminated body, and a ratio of the bound water in the water is 50% or more and 90% or less.
    Type: Application
    Filed: August 4, 2017
    Publication date: January 9, 2020
    Applicant: TDK CORPORATION
    Inventors: Masahiro OISHI, Hisaji OYAKE, Hiroshi SATO, Hiroko TAKAYANAGI, Gakuho ISOMICHI