Patents by Inventor Kouhei Yasui

Kouhei Yasui 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).

  • Refractory brick for a glass fusion furnace
    Patent number: 5154224
    Abstract: A refractory brick for a glass fusion furnace includes a triangular hollow-prism type brick body (1) having a flow passage (1c) formed so as to extend between two opposite ends of the brick. The flow passage (1c) has a substantially triangular cross-section.
    Type: Grant
    Filed: October 25, 1990
    Date of Patent: October 13, 1992
    Assignee: Toshiba Ceramics Co., Ltd.
    Inventors: Kouhei Yasui, Takeshi Nakamura, Tsutomu Iwaguchi, Hideki Igarashi