Patents by Inventor Yoichi Hanakawa

Yoichi Hanakawa 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).

  • Scissors
    Patent number: D648996
    Type: Grant
    Filed: September 1, 2009
    Date of Patent: November 22, 2011
    Assignee: Kokuyo Co., Ltd.
    Inventors: Yoichi Hanakawa, Shinichi Sumikawa
  • Scissors
    Patent number: D651491
    Type: Grant
    Filed: August 19, 2009
    Date of Patent: January 3, 2012
    Assignee: Kokuyo Co., Ltd.
    Inventors: Yoichi Hanakawa, Shinichi Sumikawa
  • Scissors
    Patent number: D651492
    Type: Grant
    Filed: August 19, 2009
    Date of Patent: January 3, 2012
    Assignee: Kokuyo Co., Ltd.
    Inventors: Yoichi Hanakawa, Shinichi Sumikawa