Patents by Inventor Akinori Okada

Akinori Okada 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).

  • Heat-sensitive recording material
    Patent number: 4855279
    Abstract: A heat-sensitive recording material containing a special sensitizer in a heat-sensitive recording layer is excellent in thermal response properties and sensitivity.
    Type: Grant
    Filed: November 8, 1988
    Date of Patent: August 8, 1989
    Assignee: Mitsubishi Paper Mills, Limited
    Inventors: Haruhiko Ikeda, Akinori Okada, Hirokazu Ohkura