Patents by Inventor Akiko Daida

Akiko Daida 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).

  • Cap of pen
    Patent number: D564588
    Type: Grant
    Filed: January 31, 2006
    Date of Patent: March 18, 2008
    Assignee: Kabushiki Kaisha Pilot Corporation
    Inventor: Akiko Daida
  • Ball-point pen
    Patent number: D484538
    Type: Grant
    Filed: April 9, 2003
    Date of Patent: December 30, 2003
    Assignee: The Pilot Ink Co., Ltd.
    Inventors: Akiko Daida, Yoshihiro Ito
  • Ballpoint pen
    Patent number: D575339
    Type: Grant
    Filed: May 25, 2007
    Date of Patent: August 19, 2008
    Assignee: Kabushiki Kaisha Pilot Corporation
    Inventor: Akiko Daida
  • Ball point pen
    Patent number: D496961
    Type: Grant
    Filed: October 6, 2003
    Date of Patent: October 5, 2004
    Assignee: Kabushiki Kaisha Pilot Corporation
    Inventor: Akiko Daida
  • Cap of pen
    Patent number: D606590
    Type: Grant
    Filed: December 30, 2008
    Date of Patent: December 22, 2009
    Assignee: Kabushiki Kaisha Pilot Corporation
    Inventor: Akiko Daida