Patents by Inventor Youichi OOHASHI

Youichi OOHASHI 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).

  • Non-aqueous electrolytic solution and non-aqueous electrolyte secondary battery using the same
    Patent number: 11296357
    Abstract: An object of the present invention 1 is to provide a non-aqueous electrolyte secondary battery having excellent general performance balance between durability performance and properties, such as a capacity, a resistance, and output characteristics.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: April 5, 2022
    Assignees: Mitsubishi Chemical Corporation, MU IONIC SOLUTIONS CORPORATION
    Inventors: Eiji Nakazawa, Youichi Oohashi, Atsushi Watarai
  • Non-aqueous electrolytic solution and non-aqueous electrolyte secondary battery using the same
    Patent number: 10615455
    Abstract: An object of the present invention 1 is to provide a non-aqueous electrolyte secondary battery having excellent general performance balance between durability performance and properties, such as a capacity, a resistance, and output characteristics.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: April 7, 2020
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Eiji Nakazawa, Youichi Oohashi, Atsushi Watarai
  • NON-AQUEOUS ELECTROLYTIC SOLUTION AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE SAME
    Publication number: 20200036041
    Abstract: An object of the present invention 1 is to provide a non-aqueous electrolyte secondary battery having excellent general performance balance between durability performance and properties, such as a capacity, a resistance, and output characteristics.
    Type: Application
    Filed: September 20, 2019
    Publication date: January 30, 2020
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Eiji NAKAZAWA, Youichi Oohashi, Atsushi Watarai
  • Nonaqueous electrolyte solution and nonaqueous electrolyte battery using same
    Patent number: 9947965
    Abstract: The object of the present invention is to provide a nonaqueous electrolyte secondary battery which has excellent balance of general performance with respect to performance including durability, capacity, resistance, and output characteristics. Provided is a nonaqueous electrolyte battery comprising a positive electrode and a negative electrode each being capable of occluding and releasing metal ions, and a nonaqueous electrolyte solution, wherein the nonaqueous electrolyte solution contains an electrolyte, a nonaqueous solvent, and at least one compound selected from the group consisting of a compound having a fluorosulfonyl structure (—SO2F), a difluorophosphate, and an isocyanate compound, and wherein the negative electrode has a negative electrode active material containing metal particles capable of alloying with Li and graphite particles.
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: April 17, 2018
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Eiji Nakazawa, Youichi Oohashi, Minoru Kotato
  • NON-AQUEOUS ELECTROLYTIC SOLUTION AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE SAME
    Publication number: 20170162906
    Abstract: An object of the present invention 1 is to provide a non-aqueous electrolyte secondary battery having excellent general performance balance between durability performance and properties, such as a capacity, a resistance, and output characteristics.
    Type: Application
    Filed: February 21, 2017
    Publication date: June 8, 2017
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Eiji NAKAZAWA, Youichi OOHASHI, Atsushi WATARAI
  • NONAQUEOUS ELECTROLYTE SOLUTION AND NONAQUEOUS ELECTROLYTE BATTERY USING SAME
    Publication number: 20160013517
    Abstract: The object of the present invention is to provide a nonaqueous electrolyte secondary battery which has excellent balance of general performance with respect to performance including durability, capacity, resistance, and output characteristics. Provided is a nonaqueous electrolyte battery comprising a positive electrode and a negative electrode each being capable of occluding and releasing metal ions, and a nonaqueous electrolyte solution, wherein the nonaqueous electrolyte solution contains an electrolyte, a nonaqueous solvent, and at least one compound selected from the group consisting of a compound having a fluorosulfonyl structure (—SO2F), a difluorophosphate, and an isocyanate compound, and wherein the negative electrode has a negative electrode active material containing metal particles capable of alloying with Li and graphite particles.
    Type: Application
    Filed: September 25, 2015
    Publication date: January 14, 2016
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Eiji NAKAZAWA, Youichi OOHASHI, Minoru KOTATO