Patents by Inventor Ryoji Ishihara

Ryoji Ishihara 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).

  • Heat radiation shield coating composition
    Patent number: 6734224
    Abstract: Disclosed is a heat radiation shield coating composition containing a black pigment which exhibits a reflectance of not below 8.0% relative to a solar radiation in the 780-2,100 nm wavelength region. The black pigment preferably exhibits a reflectance of not higher than 15% relative to a radiation at any wavelength in the 400-700 nm visible region.
    Type: Grant
    Filed: February 21, 2001
    Date of Patent: May 11, 2004
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Ryoji Ishihara, Keita Mizutani, Nobuto Fujii
  • Heat radiation shield coating composition
    Publication number: 20010029276
    Abstract: Disclosed is a heat radiation shield coating composition containing a black pigment which exhibits a reflectance of not below 8.0% relative to a solar radiation in the 780-2,100 nm wavelength region. The black pigment preferably exhibits a reflectance of not higher than 15% relative to a radiation at any wavelength in the 400-700 nm visible region.
    Type: Application
    Filed: February 21, 2001
    Publication date: October 11, 2001
    Inventors: Ryoji Ishihara, Keita Mizutani, Nobuto Fujii
  • Polyester coating compositions and precoated steel sheet using same
    Patent number: 5252404
    Abstract: A polyester coating composition comprising:(A) 50 to 95 parts by weight as solids of a polyester resin produced by reacting a polybasic acid component containing 0 to 85 mole % of the total acid component of an aromatic dicarboxylic acid, and a polyhydric alcohol component containing 20 to 100 mole % of the total alcohol component of a bisphenol S-alkylene oxide adduct of the formula: ##STR1## wherein R is H or methyl, n and m are each an integer from 1 to 8, and 0 to 30 mole % of the total alcohol component of a branched chain-aliphatic glycol; and(B) 50 to 5 parts by weight as solids of an aminoplast resin and/or a blocked polyisocyanate.
    Type: Grant
    Filed: February 21, 1992
    Date of Patent: October 12, 1993
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Ryoji Ishihara, Haruhiko Sawada, Koichi Kimura