Patents by Inventor Yoshinori Watanuma

Yoshinori Watanuma 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).

  • Collapsible binocular and blank therefor
    Patent number: 4239328
    Abstract: A collapsible binocular and a blank for forming the same and made of semi-rigid sheet material, the binocular having front and rear lens mounting panels connected by top and bottom panels having integrally formed hinges therein, and end flaps attached to the lens mounting panels and connected at approximately the mid-point of the binocular, the top and bottom panels also including integrally formed hinges so that the binocular may be collapsed to a flat, compact package and stored within a one piece sleeve when not in use.
    Type: Grant
    Filed: July 18, 1978
    Date of Patent: December 16, 1980
    Inventors: Harry L. Justice, Sr., Harry L. Justice, Jr., Yoshinori Watanuma