Patents by Inventor Ikuo Tada

Ikuo Tada 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).

  • Impact dot printing head
    Patent number: 4493567
    Abstract: A printing head of the type in which a printing operation is executed by releasing a permanent magnet, characterized in that the permanent magnet is made of a material of high energy product and is arranged in a central part of the printing head, so that the printing head is miniaturized.
    Type: Grant
    Filed: November 19, 1981
    Date of Patent: January 15, 1985
    Assignee: Alps Electric Co., Ltd.
    Inventor: Ikuo Tada