Patents by Inventor Masao Yamasaki

Masao Yamasaki 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).

  • Patent number: 5514316
    Abstract: A ceramic article such as a sanitary pottery ware is produced by slip casting using a porous composite mold. A green ceramic body of a part such as a trap of sanitary ware is separately formed in advance by, for example, slip casting. The green ceramic body is placed in the mold cavity of the porous composite mold. Then, a slip as the material of the main part of the sanitary ware is supplied into the mold cavity to form deposit integral with the green ceramic body, whereby an integral sanitary ware is obtained by slip casting.
    Type: Grant
    Filed: May 28, 1993
    Date of Patent: May 7, 1996
    Assignee: Toto Ltd.
    Inventors: Tatsuhiro Kosugi, Mitsuru Saka, Akio Matsumoto, Minoru Inoue, Toshiaki Nogami, Takazi Naotsuka, Masao Yamasaki, Hiroyuki Suzuki