Patents by Inventor Hirohito Kitano

Hirohito Kitano 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).

  • Polishing composition
    Patent number: 7211121
    Abstract: The present invention relates to a polishing composition more suitable for use in polishing synthetic resin products or metal products. The polishing composition includes a reaction product produced by a reaction between a polyalkylene oxide and a compound having a functional group having reactivity with a hydroxyl group, aluminum oxide, a polishing accelerator including at least one salt selected from the group consisting of a metal salt of an inorganic acid or organic acid and an ammonium salt of an inorganic acid or organic acid, and water.
    Type: Grant
    Filed: March 30, 2004
    Date of Patent: May 1, 2007
    Assignee: Fujimi Incorporated
    Inventors: Tatsuhito Mutoh, Hirohito Kitano
  • Polishing composition
    Publication number: 20040187393
    Abstract: The present invention relates to a polishing composition more suitable for use in polishing synthetic resin products or metal products. The polishing composition includes a reaction product produced by a reaction between a polyalkylene oxide and a compound having a functional group having reactivity with a hydroxyl group, aluminum oxide, a polishing accelerator including at least one salt selected from the group consisting of a metal salt of an inorganic acid or organic acid and an ammonium salt of an inorganic acid or organic acid, and water.
    Type: Application
    Filed: March 30, 2004
    Publication date: September 30, 2004
    Inventors: Tatsuhito Mutoh, Hirohito Kitano
  • Polishing composition
    Patent number: 4696697
    Abstract: A composition for polishing a plastic product, a layer of non-electrolysis nickel plating, an alumite layer or an aluminum product comprises water, a polishing agent of aluminum oxide and a polishing accelerator of nickel sulfate, and is neutral or weak acid.
    Type: Grant
    Filed: February 7, 1986
    Date of Patent: September 29, 1987
    Assignee: Fujimi Kenmazai Kogyo Kabushiki Kaisha
    Inventors: Hirohito Kitano, Toshiki Oowaki, Takashi Baba