Patents by Inventor Keiichirou Inui

Keiichirou Inui 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).

  • Composition and method for reducing allergen
    Patent number: 8338404
    Abstract: This invention relates to an allergen-reducing composition comprising a hydroxyproline derivative, a polymer thereof, or a salt of such a derivative or polymer, which is capable of reducing the allergenicity of mites, pollens, or other allergens and is capable of imparting functions of reducing allergenicity to fibers or textiles such as a carpet, a tatami mat, a bed cloth, a curtain, clothing, a stuffed animal, a mask, a filter material, or a dust bag for an electric vacuum cleaner without discoloration; and a method for reducing allergens using such composition.
    Type: Grant
    Filed: September 11, 2007
    Date of Patent: December 25, 2012
    Assignees: Kyowa Hakko Bio Co., Ltd., Sumika Enviro-Science Co., Ltd.
    Inventors: Tetsuo Nakano, Hideo Kawabe, Keiichirou Inui, Kouichi Waki
  • COMPOSITION AND METHOD FOR REDUCING ALLERGEN
    Publication number: 20090069403
    Abstract: This invention relates to an allergen-reducing composition comprising a hydroxyproline derivative, a polymer thereof, or a salt of such a derivative or polymer, which is capable of reducing the allergenicity of mites, pollens, or other allergens and is capable of imparting functions of reducing allergenicity to fibers or textiles such as a carpet, a tatami mat, a bed cloth, a curtain, clothing, a stuffed animal, a mask, a filter material, or a dust bag for an electric vacuum cleaner without discoloration; and a method for reducing allergens using such composition.
    Type: Application
    Filed: September 11, 2007
    Publication date: March 12, 2009
    Applicants: KYOWA HAKKO KOGYO CO., LTD., SUMIKA ENVIRO-SCIENCE CO., LTD.
    Inventors: Tetsuo Nakano, Hideo Kawabe, Keiichirou Inui, Kouchi Waki