Patents by Inventor Fukutoshi Hosoya

Fukutoshi Hosoya 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).

  • Apparatus and method of working and finish treating a stone surface
    Patent number: 5291694
    Abstract: Apparatus and a method are provided for working and finish-treating the surfaces of stones by jetting a flow consisting solely of water, at a pressure of 200 kg/cm.sup.2 or more, toward the stone surface which previously may have been cut by a gang saw or a circular saw cutting machine, bush hammered or dabbed finished, bush hammered and then dabbed finished, bush hammered and then flamed or directly flamed without being bush hammered so that the surface of the stones is roughed and crystal particles in the stones are exposed.
    Type: Grant
    Filed: May 19, 1992
    Date of Patent: March 8, 1994
    Assignee: JSE Corporation
    Inventors: Fukutoshi Hosoya, Nobuo Nakano