Patents by Inventor Akio KUWATA

Akio KUWATA 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).

  • Battery stack forming apparatus and battery stack forming method
    Patent number: 11411286
    Abstract: To provide a battery stack forming apparatus and a battery stack forming method that are capable of stacking electric cells with the electric cells accurately maintained in positions.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: August 9, 2022
    Assignee: ENVISION AESC JAPAN LTD.
    Inventors: Akio Kuwata, Takuro Kajitani, Hirotaka Nakayama
  • Battery Stack Forming Apparatus and Battery Stack Forming Method
    Publication number: 20210013481
    Abstract: To provide a battery stack forming apparatus and a battery stack forming method that are capable of stacking electric cells with the electric cells accurately maintained in positions.
    Type: Application
    Filed: March 30, 2018
    Publication date: January 14, 2021
    Applicant: Envision AESC Japan Ltd.
    Inventors: Akio Kuwata, Takuro Kajitani, Hirotaka Nakayama
  • BATTERY PACK PRODUCTION METHOD AND PRODUCTION DEVICE
    Publication number: 20190372079
    Abstract: A method is provided for producing a battery pack by which electrode tabs and busbars can be joined in an advantageous manner. A first spacer is moved in one direction each time a unit cell is stacked, such that a portion where an electrode tab is joined to a busbar can be positioned in a predetermined position in a movement direction of the first spacer.
    Type: Application
    Filed: January 31, 2017
    Publication date: December 5, 2019
    Inventors: Masahiro NAKAMOTO, Akio KUWATA