Patents by Inventor Toshiya Kasai

Toshiya Kasai 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).

  • Swizzle stick
    Patent number: D590650
    Type: Grant
    Filed: May 23, 2008
    Date of Patent: April 21, 2009
    Assignee: Tokan Kogyo Co., Ltd.
    Inventors: Kenji Aoki, Toshiya Kasai