Patents by Inventor Syuji Sakai

Syuji Sakai 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).

  • Method of forming molded body
    Patent number: 5296175
    Abstract: A mold for forming a molded body from a slurry including an impermeable mold part having a cavity for retaining the slurry and a permeable mold provided on a side of a molding surface with a membrane filter. A method of forming a molded body from a slurry includes steps of introducing the slurry into a cavity of a mold including an impermeable mold part and a permeable mold part provided on a side of a molding surface with a membrane filter, and removing a solvent medium of the slurry through the permeable mold part. A pressure casting molding method of forming a high dense ceramic molded body by pouring a ceramic slurry into a mold through a pouring portion thereof and pressurizing the ceramic slurry on a side of the pouring portion while removing a solvent medium of the slurry on the other side of the mold through a permeable mold part of the mold.
    Type: Grant
    Filed: July 21, 1992
    Date of Patent: March 22, 1994
    Assignee: NGK Insulators, Ltd.
    Inventors: Hiroyuki Iwasaki, Syuji Sakai
  • Mold for forming molded body
    Patent number: 5156856
    Abstract: A mold for forming a molded body from a slurry including an impermeable mold part having a cavity for retaining the slurry and a permeable mold provided on a side of a molding surface with a membrane filter. A method of forming a molded body from a slurry includes steps of introducing the slurry into a cavity of a mold including an impermeable mold part and a permeable mold part provided on a side of a molding surface with a membrane filter, and removing a solvent medium of the slurry through the permeable mold part. A pressure casting molding method of forming a high dense ceramic molded body by pouring a ceramic slurry into a mold through a pouring portion thereof and pressurizing the ceramic slurry on a side of the pouring portion while removing a solvent medium of the slurry on the other side of the mold through a permeable mold part of the mold.
    Type: Grant
    Filed: November 27, 1987
    Date of Patent: October 20, 1992
    Assignee: NGK Insulators, Ltd.
    Inventors: Hiroyuki Iwasaki, Syuji Sakai