Patents by Inventor Masaho Hirota

Masaho Hirota 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).

  • Hole making device
    Patent number: 5709700
    Abstract: The present invention relates to a hole making device which comprises a hole maintenance member having a rod portion, a needle member having a sharp tip and a recess for accommodating the rod portion of the hole maintenance member, a piercing mechanism for sticking the needle member accommodating the rod portion of the hole maintenance member through an object in which a hole is to be made, an extraction mechanism for receiving the needle member penetrating the object, and extracting the needle member through the object toward a direction to which the sharp tip of the needle member points so as to leave the hole maintenance member in the object, and an interlock mechanism for interlocking the piercing mechanism and the extraction mechanism.
    Type: Grant
    Filed: April 11, 1996
    Date of Patent: January 20, 1998
    Assignees: Kato Spring Works Co., Ltd, K & T Corporation
    Inventor: Masaho Hirota