Patents by Inventor Shohei Senda

Shohei Senda 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).

  • Floating water purification device and water purification method
    Patent number: 5507950
    Abstract: A floating water purification device comprising at least a treatment tank enclosing a certain water area and a float which causes the tank to float in water, is characterized by the treatment tank having a plurality of inner biological supports together with at least one water inlet and one water outlet.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: April 16, 1996
    Assignee: Resource Biology Research Institute Co., Ltd.
    Inventors: Shohei Senda, Moriju Hasegawa