Patents by Inventor Yoshiro Shimuzu

Yoshiro Shimuzu 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).

  • Magnetic recording medium
    Patent number: 4637964
    Abstract: Disclosed herein is a magnetic recording medium, (1) in which a magnetic layer is formed by coating a magnetic paint containing a magnetic powder and a binder as its main components on a non-magnetic base material; (2) which is featured by containing as said binder a polymer having an alkenyl phenol as one of the components of the polymer; and (3) which has markedly improved effects in the dispersibility of the magnetic powder in said medium and in the abrasion resistance and flexibility of the magnetic layer.
    Type: Grant
    Filed: July 12, 1985
    Date of Patent: January 20, 1987
    Assignee: Mitsui Toatsu Chemicals, Inc.
    Inventors: Yoshiro Shimuzu, Yoshio Tada