Patents by Inventor Mieko Harada

Mieko Harada 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).

  • Electronic calculator
    Patent number: D303680
    Type: Grant
    Filed: November 21, 1986
    Date of Patent: September 26, 1989
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Takahisa Yubisui, Hiroshi Sakaguchi, Mieko Harada
  • Electronic calculator
    Patent number: D307595
    Type: Grant
    Filed: October 10, 1986
    Date of Patent: May 1, 1990
    Assignee: Sharp Corporation
    Inventors: Takahisa Yubisui, Hiroshi Sakaguchi, Mieko Harada
  • Electronic calculator
    Patent number: D309624
    Type: Grant
    Filed: October 10, 1986
    Date of Patent: July 31, 1990
    Assignee: Sharp Corporation
    Inventors: Takahisa Yubisui, Hiroshi Sakaguchi, Mieko Harada