Patents by Inventor Yasuo Fujino

Yasuo Fujino 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).

  • Patent number: 5500111
    Abstract: A bacteria-supporting medium of synthetic resin has a spiral shape with a relatively small pitch, and comprises plural S-shaped portions continuous with each other and defined at outer boundarios by a continuous winding line. Each S-shaped portion extends radially, and includes an upwardly-expanding part and a downwardly-expanding part. These parts are tapered toward a central opening.
    Type: Grant
    Filed: January 21, 1994
    Date of Patent: March 19, 1996
    Inventor: Yasuo Fujino