Patents by Inventor Yoshikazu Ii

Yoshikazu Ii 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).

  • Packaging material made of electret material and packaging method
    Patent number: 5266369
    Abstract: A packaging material according to the present invention includes an electret material having a surface part mutually different polarized electric charges on a front surface and a rear surface thereof. A method of packaging according to the present invention includes covering at least a portion of an object using the packaging material.
    Type: Grant
    Filed: September 4, 1992
    Date of Patent: November 30, 1993
    Assignee: Toray Industries, Inc.
    Inventors: Katsutoshi Ando, Katsuya Ogawa, Eiichi Nishiura, Yoshiharu Okumura, Yoshikazu Ii