Patents by Inventor Yoko Ikuzawa

Yoko Ikuzawa 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 thermometer
    Patent number: D299812
    Type: Grant
    Filed: November 19, 1986
    Date of Patent: February 14, 1989
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Yoko Ikuzawa
  • Electronic calculator with printer
    Patent number: D309152
    Type: Grant
    Filed: April 30, 1987
    Date of Patent: July 10, 1990
    Assignee: Sharp Corporation
    Inventors: Hiroshi Sakaguchi, Yoko Ikuzawa
  • Electronic calculator with solar cell
    Patent number: D317458
    Type: Grant
    Filed: June 21, 1988
    Date of Patent: June 11, 1991
    Assignee: Sharp Corporation
    Inventors: Masaji Sawada, Yoko Ikuzawa