Patents by Inventor Kazuhiro Tazawa

Kazuhiro Tazawa 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).

  • Drum assembly for a magnetic recording and reproducing apparatus
    Patent number: 4851935
    Abstract: A drum assembly for carrying a plurality of rotary recording and reproducing heads of a magnetic recording and reproducing apparatus recording and reproducing a signal on and from a magnetic recording medium in a rotative manner.
    Type: Grant
    Filed: May 13, 1987
    Date of Patent: July 25, 1989
    Assignee: Mitsumi Electric Co., Ltd.
    Inventors: Sadahiro Ohyama, Yoshiaki Morita, Yoshiaki Ueno, Kazuhiro Tazawa