Patents by Inventor Ikuko Tada

Ikuko Tada 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).

  • Patent number: D508654
    Type: Grant
    Filed: December 16, 2004
    Date of Patent: August 23, 2005
    Assignee: Citizen Tokei Kabushiki Kaisha
    Inventor: Ikuko Tada
  • Patent number: D537738
    Type: Grant
    Filed: March 17, 2006
    Date of Patent: March 6, 2007
    Assignee: Citizen Tokei Kabushiki Kaisha
    Inventors: Masafumi Ohki, Ikuko Tada