Patents by Inventor Yoshinori Kouda

Yoshinori Kouda 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: D574431
    Type: Grant
    Filed: October 12, 2007
    Date of Patent: August 5, 2008
    Assignee: Tombow Pencil Co., Ltd.
    Inventor: Yoshinori Kouda
  • Patent number: D574432
    Type: Grant
    Filed: October 12, 2007
    Date of Patent: August 5, 2008
    Assignee: Tombow Pencil Co., Ltd.
    Inventor: Yoshinori Kouda
  • Patent number: D574892
    Type: Grant
    Filed: October 12, 2007
    Date of Patent: August 12, 2008
    Assignee: Tombow Pencil Co., Ltd.
    Inventor: Yoshinori Kouda
  • Patent number: D577771
    Type: Grant
    Filed: October 12, 2007
    Date of Patent: September 30, 2008
    Assignee: Tombow Pencil Co., Ltd.
    Inventor: Yoshinori Kouda
  • Patent number: D580984
    Type: Grant
    Filed: October 12, 2007
    Date of Patent: November 18, 2008
    Assignee: Tombow Pencil Co. Ltd.
    Inventor: Yoshinori Kouda
  • Patent number: D595774
    Type: Grant
    Filed: October 12, 2007
    Date of Patent: July 7, 2009
    Assignee: Tombow Pencil Co. Ltd.
    Inventor: Yoshinori Kouda
  • Patent number: D601198
    Type: Grant
    Filed: January 17, 2008
    Date of Patent: September 29, 2009
    Assignee: Tombow Pencil Co., Ltd.
    Inventor: Yoshinori Kouda
  • Patent number: D368115
    Type: Grant
    Filed: April 10, 1995
    Date of Patent: March 19, 1996
    Assignee: Tombow Pencil Co., Ltd.
    Inventor: Yoshinori Kouda
  • Patent number: D636025
    Type: Grant
    Filed: October 6, 2010
    Date of Patent: April 12, 2011
    Assignee: Tombow Pencil Co., Ltd.
    Inventor: Yoshinori Kouda
  • Patent number: D640322
    Type: Grant
    Filed: November 9, 2010
    Date of Patent: June 21, 2011
    Assignee: Tombow Pencil Co., Ltd.
    Inventor: Yoshinori Kouda
  • Pen
    Patent number: D388825
    Type: Grant
    Filed: November 3, 1995
    Date of Patent: January 6, 1998
    Assignee: Tombow Pencil Co., Ltd.
    Inventor: Yoshinori Kouda
  • Pen
    Patent number: D433704
    Type: Grant
    Filed: November 3, 1995
    Date of Patent: November 14, 2000
    Assignee: Tombow Pencil Co. Ltd.
    Inventor: Yoshinori Kouda