Patents by Inventor Ryo Tokutake

Ryo Tokutake 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).

  • Fire alarm panel
    Patent number: D630538
    Type: Grant
    Filed: April 20, 2010
    Date of Patent: January 11, 2011
    Assignee: Nohmi Bosai Ltd.
    Inventor: Ryo Tokutake