Patents by Inventor Hironaga Teratani

Hironaga Teratani 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).

  • Low temperature calcined porcelain and process for preparation thereof
    Patent number: 4160673
    Abstract: A low temperature calcined porcelain composed mainly of a vitreous substance and including aluminum oxide, a clay component, a binder and, if necessary, a coloring agent is disclosed. This porcelain is prepared according to a process comprising adding water to a mixture composed mainly of a vitreous substance and including alumina, silica or a naturally occurring composition of alumina and silica, a binder and, if necessary, a coloring agent, molding the mixture into an optional form by compression molding or by kneading molding, and calcining (heating and hardening) the molded article at a relatively low temperature.
    Type: Grant
    Filed: December 30, 1977
    Date of Patent: July 10, 1979
    Assignee: Nippon Kouatsu Electric Co.
    Inventors: Toshio Fujita, Hironaga Teratani