Patents by Inventor Yoshio Tanimizu

Yoshio Tanimizu 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).

  • Separator for battery having a function of avoiding dangers caused by overheat, and method for producing the same
    Patent number: 6296969
    Abstract: To provide a separator for a battery with high safety and a method for producing the same in which the separator has a shutdown function and capability of preventing meltdown, complete melting and cracks when the battery performs unusually. This separator comprises a porous ceramic sheet having ceramic fibers bonded to each other at their intersection points and polyolefin and comprises micropores for impregnation of an electrolyte.
    Type: Grant
    Filed: March 29, 1999
    Date of Patent: October 2, 2001
    Assignees: Noritake Co., Ltd., Sanyo Chemical Industries, Ltd.
    Inventors: Kenji Yano, Misao Iwata, Hirokazu Matsunaga, Yukio Shibata, Yoshio Tanimizu