Patents by Inventor Mamoru Ishii

Mamoru Ishii 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).

  • Polypropylene-laminated steel sheet
    Patent number: 5837360
    Abstract: A polypropylene-laminated steel sheet is provided which is less liable to cause whitening on receiving impact shock and is superior in resistance to corrosion. A process for producing the polypropylene-laminated steel sheet is also provided. The polypropylene-laminated steel sheet comprises, at least on one side of the steel sheet, a layer (A) of modified polypropylene grafted with an unsaturated carboxylic acid, and, if desired, a layer (B) of polypropylene formed additionally on the layer (A), the modified polypropylene of the layer (A) and the polypropylene of the layer (B) having crystallinity of not more than 55%.
    Type: Grant
    Filed: October 6, 1995
    Date of Patent: November 17, 1998
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Koujiro Takano, Mamoru Ishii, Masaharu Mito, Satoshi Akiyama
  • Polypropylene-laminated steel sheet and production thereof
    Patent number: 5516397
    Abstract: A polypropylene-laminated steel sheet is provided which is less liable to cause whitening on receiving impact shock and is superior in resistance to corrosion. A process for producing the polypropylene-laminated steel sheet is also provided. The polypropylene-laminated steel sheet comprises, at least on one side of the steel sheet, a layer (A) of modified polypropylene grafted with an unsaturated carboxylic acid, and, if desired, a layer (B) of polypropylene formed additionally on the layer (A), the modified polypropylene of the layer (A) and the polypropylene of the layer (B) having crystallinity of not more than 55%.
    Type: Grant
    Filed: January 13, 1993
    Date of Patent: May 14, 1996
    Assignees: Nippon Steel Corporation, Mitsui Petrochemical Industries, Ltd.
    Inventors: Koujiro Takano, Mamoru Ishii, Masaharu Mito, Satoshi Akiyama
  • Process for producing powder-based solid cosmetic
    Patent number: 4992262
    Abstract: Method for producing powder-based solid cosmetic by mixing powdered cosmetic ingredients and organic bentonite with a volatile chlorofluorohydrocarbon-containing solvent and then shaping and drying the mixture. This method produces makeup cosmetics having no oily, sticky feeling and having excellent adhesiveness.
    Type: Grant
    Filed: March 29, 1990
    Date of Patent: February 12, 1991
    Assignee: Asanuma Sogyo Kabushiki Kaisha
    Inventors: Tomonari Nakagaki, Mamoru Ishii, Haruo Ishibashi
  • Method and apparatus for solidifying a powdered cosmetic composition in an elongated hollow container
    Patent number: 4670206
    Abstract: A method and apparatus for solidifying a powdered cosmetic composition in a vertically held elongated hollow container to form a stick-shaped powdered cosmetic. A dispersion of the powdered cosmetic composition in a liquid phase is filled in the container. Pneumatic pressure is applied to the upper surface of the dispersion, and at the same time, the liquid phase contained in the dispersion is removed from below a screen placed at the lower end of the container.
    Type: Grant
    Filed: May 28, 1985
    Date of Patent: June 2, 1987
    Assignee: Asanuma Sogyo Kabushiki Kaisha
    Inventors: Tomonari Nakagaki, Yoshiharu Sekimoto, Mamoru Ishii, Haruo Ishibashi