Patents by Inventor Noribumi Kajimoto

Noribumi Kajimoto 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: 4673622
    Abstract: In a magnetic recording medium having a coating for magnetic recording formed on one side of the base and a back coating on the opposite side, the back coating consists of a nonmagnetic powder dispersed in a binder which is a combination of nitrocellulose, vinyl chloride-vinyl acetate copolymer, polyurethane, and an isocyanate compound.
    Type: Grant
    Filed: February 7, 1984
    Date of Patent: June 16, 1987
    Assignee: TDK Electronics Co., Ltd.
    Inventors: Noribumi Kajimoto, Yoshio Kawakami, Masahiro Takizawa
  • Magnetic recording medium
    Patent number: 4452863
    Abstract: In a magnetic recording medium having a base, a coating for magnetic recording formed on one side of the base, and a back coating of a nonmagnetic powder dispersed in a binder containing a thermosetting resin and formed on the other side, the back coating contains a fatty acid and/or a fatty ester.
    Type: Grant
    Filed: June 14, 1982
    Date of Patent: June 5, 1984
    Assignee: TDK Electronics Co., Ltd.
    Inventors: Masahiro Takizawa, Yoshio Kawakami, Noribumi Kajimoto