Patents by Inventor Shoji Kashiwagi

Shoji Kashiwagi 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).

  • Civil engineering and construction grade fibrous reinforcing material, method for production thereof, and civil engineering and construction material containing the reinforcing material
    Patent number: 5424124
    Abstract: A civil engineering and construction fibrous reinforcing material having a metal oxide, metal hydroxide, and metal hydroxy-oxide fast deposited on a fibrous substance is practically useful as a substitute for asbestos. This material is produced by immersing the fibrous substance in a mixed solution of a metal salt and a solvent. Civil engineering and construction materials having the fibrous reinforcing material incorporated in inorganic refractory substances are used in the form of sheet-molded plates, for example.
    Type: Grant
    Filed: March 8, 1993
    Date of Patent: June 13, 1995
    Assignee: Showa Denko K.K.
    Inventors: Kazuo Yoshikawa,, Tadatoshi Kurozumi, Shoji Kashiwagi
  • Image forming apparatus improved in toner supply operation
    Patent number: 5253020
    Abstract: An image forming apparatus according to the present invention is provided with a developing unit which develops an electrostatic latent image formed on an electrostatic latent image holding body.
    Type: Grant
    Filed: April 16, 1992
    Date of Patent: October 12, 1993
    Assignee: Minolta Camera Kabushiki Kaisha
    Inventors: Tetsuo Matsushita, Shoji Kashiwagi, Tsuneo Kitagawa
  • Apparatus for initial set-up of developer unit in an image forming apparatus
    Patent number: 5218407
    Abstract: An image forming apparatus is provided with a developing unit for making a visible image out of an electrostatic latent image with use of developer. The apparatus has a determination unit for making a determination as to whether the developer is stored or not in the developing unit, a supply unit for supplying the developer from a bottle detachably provided to body of the apparatus to the developing unit, and a control unit for actuating supply operation by the supply unit when it is determined by the determination unit that no developer is stored in the developing unit.
    Type: Grant
    Filed: April 17, 1992
    Date of Patent: June 8, 1993
    Assignee: Minolta Camera Kabushiki Kaisha
    Inventors: Tetsuo Matsushita, Shoji Kashiwagi, Tsuneo Kitagawa, Hiromitsu Saijo