Patents by Inventor Chuji Ushimaru

Chuji Ushimaru 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).

  • Plant culture receptacle
    Patent number: 5321908
    Abstract: A plant is cultivated in a nearly sealed transparent receptacle, which comprises air holes through the well thereof and a culture medium at the bottom. Inside of the receptacle is kept such it is humid and suitable atmosphere for cultivating plants, so that a plant is cultivated without much human labor. The plant culture receptacle according to the present invention is effective for decorating and cultivating plants.
    Type: Grant
    Filed: May 12, 1993
    Date of Patent: June 21, 1994
    Inventor: Chuji Ushimaru
  • Metal strip for preventing invasion
    Patent number: 4404778
    Abstract: A barbed metal tape or strip for preventing invasion of any bird, animal or unauthorized person into a building, or the like comprises a multiplicity of V-shaped projections extending from its surface substantially perpendicularly thereto, and positioned close to one another so that a force acting on the strip may be uniformly distributed on the projections. It is extremely effective for crime prevention, maintenance of safety, protection of buildings, etc., and easy to install.
    Type: Grant
    Filed: April 14, 1981
    Date of Patent: September 20, 1983
    Assignee: Decol Co., Ltd.
    Inventor: Chuji Ushimaru