Patents by Inventor Tooru Utsunomiya

Tooru Utsunomiya 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).

  • Anchor - fixing capsules
    Patent number: 5763026
    Abstract: An anchor-fixing capsule comprising a crushable capsule, and a hardenable resin component and a powdery or granular hardener component with which the crushable capsule is filled, said hardenable resin component being separated from said hardener component by a separation layer, wherein said hardenable resin component and said hardener component are each alternately disposed in two or more layers, which provides uniform good mixing of the hardenable resin component and the hardener component in driving an anchor, resulting in good adhesive strength of the anchor.
    Type: Grant
    Filed: September 19, 1996
    Date of Patent: June 9, 1998
    Assignee: Maeda Kousen Kabushiki Kaisha
    Inventors: Keiichi Makino, Kouji Shirasaki, Tooru Utsunomiya