Patents by Inventor Shinjyo Higashino

Shinjyo Higashino 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 tape
    Patent number: 5415928
    Abstract: A magnetic recording tape comprising a nonmagnetic substrate and a magnetic layer which is formed on at least one surface of the substrate, the magnetic layer comprising a magnetic powder and a binder resin having a surface resistivity of not larger than 1.times.10.sup.9 .OMEGA./sq. cm and a thickness of not larger than 3.5 .mu.m, the magnetic recording tape having a light transmittance of not larger than 0.8% and a residual magnetic flux density of at least 1400 G, which has good light shielding, and reproduction output characteristics, a small number of dropouts and improved touch with a magnetic head.
    Type: Grant
    Filed: January 25, 1993
    Date of Patent: May 16, 1995
    Assignee: Hitachi Maxell, Ltd.
    Inventors: Hiroshi Sakamoto, Takeshi Matsuura, Shinjyo Higashino, Hirotaka Kawamura