Patents by Inventor Yasuyoshi Tone

Yasuyoshi Tone 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).

  • Cleaning pad
    Patent number: 6308368
    Abstract: The present invention relates to a cleaning pad mounted on a rotary pad base of a floor cleaning device when in use. The cleaning pad in accordance with the present invention comprises a base cloth and a fiber layer made by implanting threads made of 70 to 90 wt % cotton and 10 to 30 wt % nylon into the base cloth in a tufted manner.
    Type: Grant
    Filed: December 1, 1999
    Date of Patent: October 30, 2001
    Assignee: Patent KG, Corporation
    Inventor: Yasuyoshi Tone
  • Rectangular tile-like carpet with looped tile on both surfaces
    Patent number: 4766022
    Abstract: A rectangular tile-like carpet the body of which has front and back pile layers is disclosed. Both front and back sides of the carpet can be used, so that the frequency of cleaning the carpet can be reduced to save expenditure and labor. Also, the two pile layers increase the cushioning property of the carpet. Further, the front and back pile layers may have different colors to permit different colors to be enjoyed by merely inverting the carpet.
    Type: Grant
    Filed: October 22, 1986
    Date of Patent: August 23, 1988
    Assignee: Saami Co., Ltd.
    Inventor: Yasuyoshi Tone
  • Rectangular tile-like carpet
    Patent number: 4649069
    Abstract: A rectangular tile-like carpet is disclosed, the body of which has front and back pile layers. Both front and back sides of the carpet can be used, so that the frequency of cleaning the carpet can be reduced to save expenditure and labor. Also, the two pile layers increase the cushioning property of the carpet. Further, the front and back pile layers may have different colors to permit different colors be enjoyed by merely inverting the carpet.
    Type: Grant
    Filed: May 8, 1985
    Date of Patent: March 10, 1987
    Assignee: Saami Co., Ltd.
    Inventor: Yasuyoshi Tone