Patents by Inventor Atsuko Owada

Atsuko Owada 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).

  • Water purifier
    Patent number: D328942
    Type: Grant
    Filed: December 20, 1990
    Date of Patent: August 25, 1992
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Ikuo Igami, Kazuto Kawashima, Atsuko Owada