Patents by Inventor Akito Takashima

Akito Takashima 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).

  • Method for producing sulfide solid electrolyte
    Patent number: 11973185
    Abstract: Provided is a method for producing a sulfide solid electrolyte having a high purity as side reaction hardly occurs, and having a high ionic conductivity, in a simplified manner. The method is for producing a sulfide solid electrolyte containing a lithium atom, a sulfur atom, a phosphorus atom and a halogen atom, comprising separately preparing a complex (1) containing a sulfide that contains a lithium atom, a sulfur atom and a phosphorus atom, as a constituent element, and a complex (2) containing a halide that contains a lithium atom and a halogen atom, as a constituent element, and mixing the complex (1) and the complex (2).
    Type: Grant
    Filed: May 6, 2021
    Date of Patent: April 30, 2024
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Naoya Masuda, Atsushi Yao, Akito Takashima, Takehiro Fujita, Yusuke Iseki
  • METHOD FOR PRODUCING SULFIDE SOLID ELECTROLYTE
    Publication number: 20210351434
    Abstract: Provided is a method for producing a sulfide solid electrolyte having a high purity as side reaction hardly occurs, and having a high ionic conductivity, in a simplified manner. The method is for producing a sulfide solid electrolyte containing a lithium atom, a sulfur atom, a phosphorus atom and a halogen atom, comprising separately preparing a complex (1) containing a sulfide that contains a lithium atom, a sulfur atom and a phosphorus atom, as a constituent element, and a complex (2) containing a halide that contains a lithium atom and a halogen atom, as a constituent element, and mixing the complex (1) and the complex (2).
    Type: Application
    Filed: May 6, 2021
    Publication date: November 11, 2021
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Naoya Masuda, Atsushi Yao, Akito Takashima, Takehiro Fujita, Yusuke Iseki