Patents by Inventor Tohru Naruse

Tohru Naruse 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).

  • Coating material composition having photocatalytic activity
    Patent number: 7297206
    Abstract: Disclosed herein is a photocatalytic coating composition that enables control of refractive index, film density and hydrophilicity and gives a film with improved strength and adhesion. The photocatalytic coating composition comprises: (1) an alkali silicate aqueous solution having: (A) a molar ratio of silicon to an alkali (SiO2/(A2O+B) (A: alkali metal, B: NH3)) in the range of 4 to 30; and (B) a silicon concentration in terms of oxide (SiO2 concentration) in the range of 6.8 to 30% by weight; and (2) a photocatalytic compound.
    Type: Grant
    Filed: April 9, 2002
    Date of Patent: November 20, 2007
    Assignee: Tososangyo Co., Ltd.
    Inventors: Tohru Naruse, Kouji Miyabara
  • Coating material composition having photocatalytic activity
    Publication number: 20040116577
    Abstract: Disclosed herein is a photocatalytic coating composition that enables control of refractive index, film density and hydrophilicity and gives a film with improved strength and adhesion.
    Type: Application
    Filed: October 16, 2003
    Publication date: June 17, 2004
    Inventors: Tohru Naruse, Kouji Miyabara