Patents by Inventor Yoshihiko Umeki

Yoshihiko Umeki 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).

  • Concrete panel having tile driven
    Patent number: 4700518
    Abstract: This invention is characterized by a concrete panel having tiles driven on the surface and carbon fibers mixed in the base material concrete and further including reinforcing iron materials being electrically isolated by a layer of material from the carbon fibers imbedded in the body of concrete. Said layer of material preventing corrosion of the iron materials.
    Type: Grant
    Filed: September 19, 1985
    Date of Patent: October 20, 1987
    Assignee: Kajima Kensetsu Kabushiki Kaisha
    Inventors: Shigeyuki Akihama, Makoto Saito, Akio Kawamoto, Tadashi Banno, Yoshihiko Umeki, Takumi Nakamura
  • Tiles and arrangement for setting tiles
    Patent number: 4522003
    Abstract: An improved tile is prevented from coming off mortar applied to the back of the tile. Anchors are engaged in dovetail grooves formed in the back of the tile. Also, an arrangement for setting tiles can prevent the tiles from coming off mortar. Hooks secured to the back of each tile are secured to horizontal beams mounted on the surface to be tiled.
    Type: Grant
    Filed: April 19, 1983
    Date of Patent: June 11, 1985
    Assignees: Manten Co., Ltd., Kajima Corporation
    Inventors: Shigeyuki Akihama, Hajime Koizumi, Yoshihiko Umeki, Makoto Saito, Tadashi Banno, Shinya Tateno