Patents by Inventor Keiko Ohta

Keiko Ohta 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).

  • Foam generator
    Patent number: D456655
    Type: Grant
    Filed: December 7, 2000
    Date of Patent: May 7, 2002
    Assignee: Matsushita Electric Works, Ltd.
    Inventors: Keiko Ohta, Toshiaki Nakajo
  • Brush for a hair dryer
    Patent number: D476443
    Type: Grant
    Filed: December 13, 2001
    Date of Patent: June 24, 2003
    Assignee: Matsushita Electric Works, Ltd.
    Inventors: Keiko Ohta, Toshiaki Nakajo