Patents Assigned to Patent Island Co., Ltd.
  • India ink container, marking tool
    Patent number: D568391
    Type: Grant
    Filed: July 27, 2006
    Date of Patent: May 6, 2008
    Assignee: Patent Island Co., Ltd.
    Inventor: Hideki Ichoda
  • India ink container
    Patent number: D493489
    Type: Grant
    Filed: May 30, 2003
    Date of Patent: July 27, 2004
    Assignees: Patent Island Co., Ltd., Tajima Tool Corp.
    Inventor: Tetsuji Sato
  • India ink container
    Patent number: D495008
    Type: Grant
    Filed: May 30, 2003
    Date of Patent: August 24, 2004
    Assignees: Patent Island Co., Ltd., Tajima Tool Corp.
    Inventor: Tetsuji Sato