Patents by Inventor Tomotaro Mae

Tomotaro Mae 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).

  • Secondary battery negative electrode, secondary battery, and manufacturing method of secondary battery negative electrode
    Patent number: 12266803
    Abstract: A secondary battery negative electrode according to the invention includes: a three-dimensional current collector formed of a self-supporting sponge-like structure of carbon nanotubes; a metal active material contained inside the three-dimensional current collector; and a plurality of seed particles contained inside the three-dimensional current collector and made of a material different from the metal active material, in which the secondary battery negative electrode does not include a foil of the metal active material.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: April 1, 2025
    Assignees: WASEDA UNIVERSITY, ZEON CORPORATION
    Inventors: Suguru Noda, Keisuke Hori, Tomotaro Mae, Yuta Hashizume
  • SECONDARY BATTERY NEGATIVE ELECTRODE, SECONDARY BATTERY, AND MANUFACTURING METHOD OF SECONDARY BATTERY NEGATIVE ELECTRODE
    Publication number: 20220140351
    Abstract: A secondary battery negative electrode according to the invention includes: a three-dimensional current collector formed of a self-supporting sponge-like structure of carbon nanotubes; a metal active material contained inside the three-dimensional current collector; and a plurality of seed particles contained inside the three-dimensional current collector and made of a material different from the metal active material, in which the secondary battery negative electrode does not include a foil of the metal active material.
    Type: Application
    Filed: February 25, 2020
    Publication date: May 5, 2022
    Inventors: Suguru Noda, Keisuke Hori, Tomotaro Mae, Yuta Hashizume