Patents Assigned to KOA Glass Co., Ltd.
  • Antibacterial glass and method for production thereof
    Patent number: 6831028
    Abstract: This invention provides an antimicrobial glass which exhibits excellent dispersing ability into a resin and excellent transparency besides generating small yellowing and a method for manufacturing the antimicrobial glass. In the antimicrobial glass capable of releasing an Ag ion, a shape of the antimicrobial glass is formed into a polyhedron and, at the same time, an average particle size of the antimicrobial glass is set to a value within a range of 0.1 to 300 &mgr;m.
    Type: Grant
    Filed: October 23, 2002
    Date of Patent: December 14, 2004
    Assignee: KOA Glass Co., Ltd.
    Inventors: Masao Ishii, Kenichi Tanaka