Patents by Inventor Tsunehiro Naba

Tsunehiro Naba 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).

  • Drainpipe for water-dischargeable pavement and water-dischargeable pavement body
    Publication number: 20050000583
    Abstract: A drainpipe embedded in a water-permeable layer of a water-dischargeable pavement body is molded by using as a constitutional material a material which is degraded or disintegrated and disappears the tubular shape thereof with the passage of time in a natural environment, for example, a biodegradable resin.
    Type: Application
    Filed: February 26, 2004
    Publication date: January 6, 2005
    Inventors: Hiroyuki Masui, Tsunehiro Naba