Patents by Inventor Kimitoshi Itoh

Kimitoshi Itoh 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).

  • Tape cassette
    Patent number: 5375024
    Abstract: A tape cassette which includes a case composed of an upper case and a lower case in which a couple of tape reels wound with a tape are rotably provided and which is provided with an opening and closing lid being rotatable around supporting axes and covering an opening portion of the case for drawing out tape at a front face of the case, said opening and closing lid being urged in a closing direction thereof by a spring, wherein a spring receiving groove for inserting an end of the spring is provided in one of the supporting axes and at least one edge portion at an innermost portion of the spring receiving groove is formed in a curved face.
    Type: Grant
    Filed: June 4, 1993
    Date of Patent: December 20, 1994
    Assignee: TDK Corporation
    Inventors: Hiroshi Kaneda, Masatoshi Okamura, Kimitoshi Itoh