Patents by Inventor Chieko Imazawa

Chieko Imazawa 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).

  • Solid-electrolyte fuel cell
    Patent number: 5731097
    Abstract: The invention relates to a solid-electrolyte fuel cell including an anode that is intended to be in contact with a fuel; a cathode that is intended to be in contact with an oxidant for oxidizing the fuel; and a first oxygen-ion-conductive (electrolyte) film and a second oxygen-ion conductive film that are stuck together, are connected with the anode and the cathode, and are arranged in descending order toward the anode, by activation energy of oxygen ion. According to the fuel cell, it becomes possible to increase the open-circuit voltage.
    Type: Grant
    Filed: September 12, 1996
    Date of Patent: March 24, 1998
    Assignee: Kabushiki Kaisha Meidensha
    Inventors: Tomofumi Miyashita, Satoru Seike, Chieko Imazawa, Hisashi Suwahara, Masanori Haba