Patents by Inventor Keiichi Kitagawa

Keiichi Kitagawa 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: D373419
    Type: Grant
    Filed: March 6, 1995
    Date of Patent: September 3, 1996
    Assignee: Matsushita Electric Works, Ltd.
    Inventors: Etsushi Muramatsu, Florian Seiffert, Keiichi Kitagawa
  • Patent number: D400262
    Type: Grant
    Filed: July 9, 1997
    Date of Patent: October 27, 1998
    Assignee: Matsushita Electric Works, Ltd.
    Inventors: Maki Hirakawa, Keiichi Kitagawa