Patents by Inventor Izumi Tsuda

Izumi Tsuda 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).

  • Flow battery
    Patent number: 5366824
    Abstract: A flow battery comprises a plurality of unit cells each constituted of stacked unit cells each consisting of a prescribed number of stacked diaphragms and positive electrode chambers and negative electrode chambers separated by the diaphragms, a positive electrode fluid tank associated with each unit cell to have its outlet connected with an inlet of the positive electrode chamber of the unit cell and its inlet connected with an outlet of the positive chamber of a immediately preceding unit cell, a negative electrode fluid tank associated with each unit cell to have it outlet connected with an inlet of the negative chamber of the unit cell and its inlet connected with outlet of the negative chamber of an immediately preceding unit cell, a pump for supplying positive electrode fluid from the positive electrode fluid tanks to the positive electrode chambers, a pump for supplying negative electrode fluid from the negative electrode fluid tanks to the negative electrode chambers, and means for electrically connec
    Type: Grant
    Filed: October 20, 1993
    Date of Patent: November 22, 1994
    Assignee: Agency of Industrial Science & Technology, Ministry of International Trade & Industry
    Inventors: Ken Nozaki, Kosuke Kurokawa, Izumi Tsuda, Osamu Hamamoto, Keiiti Watanabe