Patents by Inventor Riichi Evata

Riichi Evata 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).

  • Catamenial tampon inserter
    Patent number: 4699610
    Abstract: An inserter for a catamenial tampon, including an outer cylinder having an ejecting hole at the fore end thereof, an ejecting inner cylinder containing a catamenial tampon therein and telescopically fitted in the outer cylinder, a projection formed on the inner surface of the side wall of the outer cylinder to transpose the tampon from the inner to the outer cylinder, and a guide groove formed axially in the side wall of the inner cylinder for engagement with the projection. The guide groove is extended to such a length that a rear end portion thereof is exposed from the outer cylinder when the inner cylinder is fully contracted thereinto.
    Type: Grant
    Filed: November 6, 1985
    Date of Patent: October 13, 1987
    Assignee: Lion Corporation
    Inventors: Yoshikazu Hanano, Riichi Evata