Akihiko Takami 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).
Abstract: A fuel cell is provided with an end plate arranged outside a cell laminate in the laminating direction of the cell laminate. The fuel cell is also provided with pressing device, arranged on the side of the end plate of the cell laminate, for adjusting a compressive load to be applied to the cell laminate by a load adjusting screw which moves along the laminating direction of the cell laminate against the end plate. Engaging portions of the load adjusting screw and the pressing device are movably arranged in the diameter direction of the load adjusting screw against at least one of the end plate and the pressing device.
Abstract: A fuel cell of the present invention includes: a cell laminated body having a plurality of cells laminated; an end plate provided outside the cell laminated body in a laminating direction of the cell laminated body; and a load adjusting screw provided in the end plate for adjusting a compression load applied to the cell laminated body by moving in the laminating direction of the cell laminated body. A stopper in which an internal thread to be engaged with the load adjusting screw is formed so as to protrude toward the cell laminated body is provided on the end plate such that the rotation thereof with respect to an end plate body of the end plate in the axis direction is regulated.