Patents by Inventor Tohoru Matuda

Tohoru Matuda 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).

  • Multi-track head
    Patent number: 5146378
    Abstract: A multi-track magnetic head having at least three conversion elements deposited on a common substrate includes a medium sliding face which is formed in a curved shape. The positions of at least two of the three conversion elements are shifted from each other perpendicularly to the alignment direction of the conversion elements in conformity to the curvature of the medium sliding face.
    Type: Grant
    Filed: December 9, 1991
    Date of Patent: September 8, 1992
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kenji Makino, Tohoru Matuda, Shinichi Inoue, Fujihiro Itoh, Yutaka Kusano