Patents by Inventor Masaaki Ono

Masaaki Ono 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).

  • Polyester film and method of manufacture thereof
    Patent number: 4233352
    Abstract: A slippery and smooth-surfaced polyester film, at least one surface of which is covered with worm-like nodules, useful as a base film for high recording density magnetic tape.
    Type: Grant
    Filed: January 9, 1979
    Date of Patent: November 11, 1980
    Assignee: Toray Industries, Inc.
    Inventors: Masaaki Ono, Kazuo Okabe, Yasuki Miura