Patents by Inventor Kunimasa Maruo

Kunimasa Maruo 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).

  • Screw feeding apparatus
    Patent number: 4239068
    Abstract: An apparatus for arranging and supplying screws comprising a trackway for aligning a plurality of screws, a conveyor for receiving aligned screws from said trackway, conveying them to a point of use and a regulator device for allowing only one screw at a time to be conveyed to the point of use of the screw.
    Type: Grant
    Filed: November 20, 1978
    Date of Patent: December 16, 1980
    Inventor: Kunimasa Maruo