Patents by Inventor Seigou Matsuoka

Seigou Matsuoka 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 head with a coil and core supporting bobbin
    Patent number: 5005097
    Abstract: In a magnetic head, a bobbin is wound with coils for reading and writing and for erasing. A front core having a core for reading and writing and a core for erasing, a back core and a dummy core are supported by the bobbin by passing through respective aperture in the bobbin. The front core is connected to the back core to generate a magnetic flux with the coils.
    Type: Grant
    Filed: January 4, 1989
    Date of Patent: April 2, 1991
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventor: Seigou Matsuoka