Patents by Inventor Kazumi Yoshimitu

Kazumi Yoshimitu 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).

  • Lithium secondary battery
    Patent number: 4808499
    Abstract: In a lithium secondary battery having lithium ion electrical conductive electrolyte, a positive electrode and a negative electrode, the negative electrode being formed by a Li-Ga-In alloy.
    Type: Grant
    Filed: September 16, 1987
    Date of Patent: February 28, 1989
    Assignee: Hitachi Maxell, Ltd.
    Inventors: Ryo Nagai, Kazumi Yoshimitu, Kozo Kajita, Noboru Odani