Patents by Inventor Tsunenori Matsunaga

Tsunenori Matsunaga 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).

  • Portable and compact retroreflective sign system
    Patent number: 6115951
    Abstract: A portable and compact retroreflective sign system includes a base, a winding mechanism roller attached to the base, and a retroreflective roll-up sheeting having a first end and a second end, wherein the first end is attached to the roller and the sign is wound about the roller. A sign support is attached to the base for supporting the roll-up sign in an unrolled position, wherein the sign support is extendible from the base. An attachment means is present at the second end of the retroreflective roll-up sheeting for attaching the sheeting to the sign support.
    Type: Grant
    Filed: August 5, 1998
    Date of Patent: September 12, 2000
    Assignee: Reflexite Corporation
    Inventors: James X Jing, Tsunenori Matsunaga, Takashi Kawai