Patents by Inventor Akio Katsuki

Akio Katsuki 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).

  • Method of Installing Anchor Bolt, Method of Drilling Anchor Bolt Hole, and Drilling Device
    Publication number: 20080253830
    Abstract: An object of the present invention is to install an anchor bolt with sufficient strength without lowering strength even when a reinforcing member exists. According to the present invention, in a method of installing an anchor bolt in a fixing surface, first, a first fixing hole for fixing the anchor bolt is drilled in the fixing surface. Then, a second fixing hole is drilled from a distal end portion of the first fixing hole in an inclined state. Afterward, an anchor bolt bent at a middle portion thereof is fixed to the first fixing hole and the second fixing hole.
    Type: Application
    Filed: March 30, 2005
    Publication date: October 16, 2008
    Inventor: Akio Katsuki