Patents by Inventor Osamu Shiragami

Osamu Shiragami 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).

  • Filter press type electrolytic cell
    Patent number: 4605482
    Abstract: A filter press type ion exchange membrane electrolytic cell which comprises an anode compartment and a cathode compartment partitioned by a cation exchange membrane and which is useful for obtaining a halogen, hydrogen and an alkali metal hydroxide from an alkali metal halide aqueous solution, or oxygen and hydrogen from an aqueous alkaline solution.
    Type: Grant
    Filed: April 12, 1982
    Date of Patent: August 12, 1986
    Assignee: Asahi Glass Company, Ltd.
    Inventors: Osamu Shiragami, Toshihiko Kuno, Yasuo Sajima, Kohji Saito, Takahiro Uchibori, Junjiro Iwamoto