Patents by Inventor Itaru Shirasawa

Itaru Shirasawa 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).

  • Hydrogen Producing Method and Apparatus
    Publication number: 20070217995
    Abstract: A method for producing hydrogen wherein use is made of a high temperature steam electrolysis apparatus having an electrolysis vessel being partitioned into the anode side and the cathode side by the use of a solid oxide electrolyte film as a diaphragm, steam is fed to the above cathode side and a reducing gas is fed to the anode side, and steam electrolysis is carried out at a high temperature, characterized in that the reducing gas and the steam fed to the electrolysis vessel has a temperature of 200 to 500° C.
    Type: Application
    Filed: February 17, 2005
    Publication date: September 20, 2007
    Inventors: Chi Matsumura, Takahiro Oshita, Syuichi Ueno, Hideyuki Misawa, Masahiro Hagiwara, Itaru Shirasawa, Hiroshi Yokota, Akira Uchino, Junichi Hayakawa, Shinichi Isaka