Patents by Inventor Isamu Yaoita

Isamu Yaoita 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).

  • Pointer device for measuring apparatus
    Patent number: 3967580
    Abstract: A pointer device for a measuring apparatus, having a main needle connected to a rotary shaft adapted to rotate in response to an external change, a set of auxiliary needles connected to the rotary shaft and a pointer and adapted to convert the rotation of the rotary shaft into a rectilinear translation of the pointer, special fixed and movable bearings for rotatably supporting and connecting said needles, and a plane scale graduated in increments corresponding to the unit value of the rotational distance of the main needle.
    Type: Grant
    Filed: September 19, 1974
    Date of Patent: July 6, 1976
    Assignee: Eiwa Denki Co., Ltd.
    Inventor: Isamu Yaoita