Patents by Inventor Jiro Usui

Jiro Usui 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).

  • Toy automobile having a body formed by a composition for writing
    Patent number: 4768987
    Abstract: A toy automobile equipped with a running device, has a body which can be used to write characters and pictures on paper.The body of the toy automobile is formed of a composition for writing which contains 25 to 80% by weight of polyolefin, 5 to 60% by weight of wax and the balance of a coloring agent.
    Type: Grant
    Filed: May 27, 1987
    Date of Patent: September 6, 1988
    Assignee: Buncho Corporation
    Inventors: Jiro Usui, Koji Seki, Yosimi Kano